| Swimming |
2006 Pan Pacific Swimming Championships |
Victoria |
 CAN |
100 m Backstroke, Men |
20 |
 JPN |
|
| Swimming |
2006 Pan Pacific Swimming Championships |
Victoria |
CAN |
200 m Backstroke, Men |
4 |
JPN |
|
| Swimming |
2006 Asian Games |
Doha |
 QAT |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2008 Swim World Cup |
Moskva |
 RUS |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2008 Swim World Cup |
Stockholm |
 SWE |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2008 Swim World Cup |
Berlin |
 GER |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2009 Summer Universiade |
Beograd |
 SRB |
50 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2009 Summer Universiade |
Beograd |
SRB |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2009 Summer Universiade |
Beograd |
SRB |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2009 Summer Universiade |
Beograd |
SRB |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
2009 World Aquatics Championships |
Roma |
 ITA |
50 m Backstroke, Men |
10 |
JPN |
|
| Swimming |
2009 World Aquatics Championships |
Roma |
ITA |
100 m Backstroke, Men |
=4 |
JPN |
|
| Swimming |
2009 World Aquatics Championships |
Roma |
ITA |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2009 World Aquatics Championships |
Roma |
ITA |
4 x 100 m Medley Relay, Men |
7 |
JPN |
|
| Swimming |
2009 East Asian Games |
Hong Kong |
 HKG |
50 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2009 East Asian Games |
Hong Kong |
HKG |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2009 East Asian Games |
Hong Kong |
HKG |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2009 East Asian Games |
Hong Kong |
HKG |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
 USA |
100 m Backstroke, Men |
4 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
200 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
50 m Backstroke, Men |
6 |
JPN |
|
| Swimming |
2010 Swim World Cup |
Tokyo |
JPN |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2010 Asian Games |
Guangzhou |
 CHN |
50 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2010 Asian Games |
Guangzhou |
CHN |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2010 Asian Games |
Guangzhou |
CHN |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2010 Asian Games |
Guangzhou |
CHN |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
 UAE |
50 m Backstroke, Men |
20 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
UAE |
100 m Backstroke, Men |
5 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
UAE |
200 m Backstroke, Men |
5 |
JPN |
|
| Swimming |
2010 World Swimming Championships (25 m) |
Dubai |
UAE |
4 x 100 m Medley Relay, Men |
6 |
JPN |
|
| Swimming |
2011 World Aquatics Championships |
Shanghai |
CHN |
100 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2011 World Aquatics Championships |
Shanghai |
CHN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2011 World Aquatics Championships |
Shanghai |
CHN |
4 x 100 m Medley Relay, Men |
4 |
JPN |
|
| Swimming |
2011 World Aquatics Championships |
Shanghai |
CHN |
50 m Backstroke, Men |
DNS |
JPN |
|
| Swimming |
2011 Summer Universiade |
Shenzhen |
CHN |
50 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2011 Summer Universiade |
Shenzhen |
CHN |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2011 Summer Universiade |
Shenzhen |
CHN |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
2013 World Aquatics Championships |
Barcelona |
 ESP |
50 m Backstroke, Men |
DNS |
JPN |
|
| Swimming |
2013 World Aquatics Championships |
Barcelona |
ESP |
100 m Backstroke, Men |
4 |
JPN |
|
| Swimming |
2013 World Aquatics Championships |
Barcelona |
ESP |
200 m Backstroke, Men |
4 |
JPN |
|
| Swimming |
2013 World Aquatics Championships |
Barcelona |
ESP |
4 x 100 m Medley Relay, Men |
🥉 |
JPN |
|
| Swimming |
2013 Swim World Cup |
Berlin |
GER |
200 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2014 Pan Pacific Swimming Championships |
Gold Coast |
 AUS |
200 m Individual Medley, Men |
16 |
JPN |
|
| Swimming |
2014 Pan Pacific Swimming Championships |
Gold Coast |
AUS |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2014 Pan Pacific Swimming Championships |
Gold Coast |
AUS |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2014 Pan Pacific Swimming Championships |
Gold Coast |
AUS |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|
| Swimming |
2014 Asian Games |
Incheon |
 KOR |
50 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2014 Asian Games |
Incheon |
KOR |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2014 Asian Games |
Incheon |
KOR |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2014 Asian Games |
Incheon |
KOR |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|
| Swimming |
2014 Swim World Cup |
Tokyo |
JPN |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2014 World Swimming Championships (25 m) |
Doha |
QAT |
50 m Backstroke, Men |
15 |
JPN |
|
| Swimming |
2014 World Swimming Championships (25 m) |
Doha |
QAT |
200 m Backstroke, Men |
4 |
JPN |
|
| Swimming |
2014 World Swimming Championships (25 m) |
Doha |
QAT |
4 x 100 m Medley Relay, Men |
7 |
JPN |
|
| Swimming |
2014 World Swimming Championships (25 m) |
Doha |
QAT |
100 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2015 World Aquatics Championships |
Kazan |
RUS |
100 m Backstroke, Men |
6 |
JPN |
|
| Swimming |
2015 World Aquatics Championships |
Kazan |
RUS |
200 m Backstroke, Men |
4 |
JPN |
|
| Swimming |
2015 World Aquatics Championships |
Kazan |
RUS |
4 x 100 m Medley Relay, Men |
6 |
JPN |
|
| Swimming |
2015 Swim World Cup |
Tokyo |
JPN |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2015 Swim World Cup |
Tokyo |
JPN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2017 World Aquatics Championships |
Budapest |
 HUN |
100 m Backstroke, Men |
4 |
JPN |
|
| Swimming |
2017 World Aquatics Championships |
Budapest |
HUN |
200 m Backstroke, Men |
7 |
JPN |
|
| Swimming |
2017 World Aquatics Championships |
Budapest |
HUN |
4 x 100 m Medley Relay, Men |
4 |
JPN |
|
| Swimming |
2017 Swim World Cup |
Beijing |
CHN |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2017 Swim World Cup |
Tokyo |
JPN |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2017 Swim World Cup |
Tokyo |
JPN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2017 Swim World Cup |
Singapore |
 SGP |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2017 Swim World Cup |
Singapore |
SGP |
200 m Individual Medley, Men |
🥈 |
JPN |
|
| Swimming |
2018 Pan Pacific Swimming Championships |
Tokyo |
JPN |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2018 Pan Pacific Swimming Championships |
Tokyo |
JPN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2018 Pan Pacific Swimming Championships |
Tokyo |
JPN |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|
| Swimming |
2018 Pan Pacific Swimming Championships |
Tokyo |
JPN |
4 x 100 m Medley Relay, Mixed |
🥈 |
JPN |
|
| Swimming |
2018 Asian Games |
Jakarta-Palembang |
 INA |
50 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2018 Asian Games |
Jakarta-Palembang |
INA |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2018 Asian Games |
Jakarta-Palembang |
INA |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2018 Asian Games |
Jakarta-Palembang |
INA |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|
| Swimming |
2018 Asian Games |
Jakarta-Palembang |
INA |
4 x 100 m Medley Relay, Mixed |
🥈 |
JPN |
|
| Swimming |
2018 Swim World Cup |
Eindhoven |
 NED |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2018 Swim World Cup |
Eindhoven |
NED |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2018 Swim World Cup |
Eindhoven |
NED |
200 m Individual Medley, Men |
🥈 |
JPN |
|
| Swimming |
2018 Swim World Cup |
Budapest |
HUN |
100 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2018 Swim World Cup |
Budapest |
HUN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
100 m Backstroke, Men |
12 |
JPN |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
200 m Backstroke, Men |
7 |
JPN |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
4 x 50 m Medley Relay, Men |
7 |
JPN |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
4 x 100 m Medley Relay, Men |
🥉 |
JPN |
|
| Swimming |
2019 Champions Swim Series |
Guangzhou |
CHN |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2019 Champions Swim Series |
Guangzhou |
CHN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2019 World Aquatics Championships |
Gwangju |
KOR |
100 m Backstroke, Men |
6 |
JPN |
|
| Swimming |
2019 World Aquatics Championships |
Gwangju |
KOR |
200 m Backstroke, Men |
5 |
JPN |
|
| Swimming |
2019 World Aquatics Championships |
Gwangju |
KOR |
4 x 100 m Medley Relay, Men |
4 |
JPN |
|
| Swimming |
2019 Swim World Cup |
Budapest |
HUN |
50 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2019 Swim World Cup |
Budapest |
HUN |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2019 Swim World Cup |
Budapest |
HUN |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2019 Swim World Cup |
Budapest |
HUN |
4 x 100 m Medley Relay, Mixed |
🥈 |
JPN |
|
| Swimming |
2019 Swim World Cup |
Berlin |
GER |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2019 Swim World Cup |
Berlin |
GER |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2019 Swim World Cup |
Berlin |
GER |
4 x 100 m Medley Relay, Mixed |
🥇 |
JPN |
|
| Swimming |
2020 Champions Swim Series |
Beijing |
CHN |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2020 Champions Swim Series |
Beijing |
CHN |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2020 Champions Swim Series |
Beijing |
CHN |
4 x 100 m Medley Relay, Mixed |
🥈 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
50 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
100 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
4 x 100 m Medley Relay, Men |
🥉 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
100 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
50 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
100 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
200 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
100 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
200 m Backstroke, Men |
🥇 |
JPN |
|
| Swimming |
2020 International Swimming League (ISL) |
Budapest |
HUN |
4 x 100 m Medley Relay, Men |
🥉 |
JPN |
|
| Swimming |
2022 World Aquatics Championships |
Budapest |
HUN |
50 m Backstroke, Men |
17 |
JPN |
|
| Swimming |
2022 World Aquatics Championships |
Budapest |
HUN |
100 m Backstroke, Men |
7 |
JPN |
|
| Swimming |
2022 World Aquatics Championships |
Budapest |
HUN |
4 x 100 m Medley Relay, Men |
9 |
JPN |
|
| Swimming |
2022 World Aquatics Championships |
Budapest |
HUN |
4 x 100 m Medley Relay, Mixed |
7 |
JPN |
|
| Swimming |
2022 World Swimming Championships (25 m) |
Melbourne |
AUS |
50 m Backstroke, Men |
14 |
JPN |
|
| Swimming |
2022 World Swimming Championships (25 m) |
Melbourne |
AUS |
100 m Backstroke, Men |
9 |
JPN |
|
| Swimming |
2022 World Swimming Championships (25 m) |
Melbourne |
AUS |
4 x 50 m Medley Relay, Men |
4 |
JPN |
|
| Swimming |
2022 World Swimming Championships (25 m) |
Melbourne |
AUS |
4 x 100 m Medley Relay, Men |
4 |
JPN |
|
| Swimming |
2023 World Aquatics Championships |
Fukuoka |
JPN |
50 m Backstroke, Men |
15 |
JPN |
|
| Swimming |
2023 World Aquatics Championships |
Fukuoka |
JPN |
100 m Backstroke, Men |
18 |
JPN |
|
| Swimming |
2023 World Aquatics Championships |
Fukuoka |
JPN |
4 x 100 m Medley Relay, Men |
6 |
JPN |
|
| Swimming |
2023 World Aquatics Championships |
Fukuoka |
JPN |
4 x 100 m Medley Relay, Mixed |
7 |
JPN |
|
| Swimming |
2022 Asian Games |
Hangzhou |
CHN |
50 m Backstroke, Men |
🥉 |
JPN |
|
| Swimming |
2022 Asian Games |
Hangzhou |
CHN |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2022 Asian Games |
Hangzhou |
CHN |
4 x 100 m Medley Relay, Men |
🥉 |
JPN |
|
| Swimming |
2022 Asian Games |
Hangzhou |
CHN |
4 x 100 m Medley Relay, Mixed |
🥈 |
JPN |
|
| Swimming |
2023 Swim World Cup |
Berlin |
GER |
100 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2023 Swim World Cup |
Berlin |
GER |
200 m Backstroke, Men |
🥈 |
JPN |
|
| Swimming |
2023 Swim World Cup |
Athens |
 GRE |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|