# Japan at the 1984 Summer Olympics

Japan competed at the 1984 Summer Olympics in Los Angeles, United States. Japan returned to the Games after participating in the American-led boycott of the 1980 Summer Olympics. 226 competitors, 174 men and 52 women, took part in 147 events in 22 sports.

## Medalists

| Medal | Name | Sport | Event | Date |
| Gold | Kōji Gushiken | Gymnastics | Men's individual all-around | August 2 |
| Gold | Takeo Kamachi | Shooting | Men's rapid fire pistol | August 2 |
| Gold | Atsuji Miyahara | Wrestling | Men's Greco-Roman flyweight | August 2 |
| Gold | Shinji Morisue | Gymnastics | Men's horizontal bar | August 4 |
| Gold | Kōji Gushiken | Gymnastics | Men's rings | August 4 |
| Gold | Shinji Hosokawa | Judo | Men extra lightweight | August 4 |
| Gold | Yoshiyuki Matsuoka | Judo | Men half lightweight | August 5 |
| Gold | Hitoshi Saito | Judo | Men heavyweight | August 10 |
| Gold | Yasuhiro Yamashita | Judo | Men's open category | August 11 |
| Gold | Hideaki Tomiyama | Wrestling | Men's freestyle bantamweight | August 11 |
| Silver | Masaki Eto | Wrestling | Men's Greco-Roman bantamweight | August 3 |
| Silver | Nobuyuki Kajitani | Gymnastics | Men's parallel bars | August 4 |
| Silver | Kōji Gushiken | Gymnastics | Men's vault | August 4 |
| Silver | Shinji Morisue | Gymnastics | Men's vault | August 4 |
| Silver | Takashi Irie | Wrestling | Men's freestyle light flyweight | August 9 |
| Silver | Kosei Akaishi | Wrestling | Men's freestyle featherweight | August 9 |
| Silver | Akira Ota | Wrestling | Men's freestyle light heavyweight | August 9 |
| Silver | Hideyuki Nagashima | Wrestling | Men's freestyle middleweight | August 11 |
| Bronze | Kazushito Manabe | Weightlifting | Men's flyweight | July 29 |
| Bronze | Masahiro Kotaka | Weightlifting | Men's bantamweight | July 30 |
| Bronze | Kōji Gushiken Noritoshi Hirata Nobuyuki Kajitani Shinji Morisue Koji Sotomura Kyoji Yamawaki | Gymnastics | Men's team all-around | July 31 |
| Bronze | Ikuzo Saito | Wrestling | Men's Greco-Roman light flyweight | August 1 |
| Bronze | Tsutomu Sakamoto | Cycling | Men's sprint | August 3 |
| Bronze | Koji Sotomura | Gymnastics | Men's floor | August 4 |
| Bronze | Kōji Gushiken | Gymnastics | Men's horizontal bar | August 4 |
| Bronze | Ryoji Isaoka | Weightlifting | Men's light heavyweight | August 4 |
| Bronze | Yumi Egami Norie Hiro Miyoko Hirose Kyoko Ishida Yoko Kagabu Yuko Mitsuya Keiko Miyajima Kimie Morita Kumi Nakada Emiko Odaka Sachiko Otani Kayoko Sugiyama | Volleyball | Women's tournament | August 7 |
| Bronze | Seiki Nose | Judo | Men's middleweight | August 8 |
| Bronze | Saeko Kimura Miwako Motoyoshi | Artistic swimming | Women's duet | August 9 |
| Bronze | Yuji Takada | Wrestling | Men's freestyle light flyweight | August 10 |
| Bronze | Hiroshi Yamamoto | Archery | Men's individual | August 11 |
| Bronze | Miwako Motoyoshi | Artistic swimming | Women's solo | August 12 |
Medals by sport :
| Sport | | | | Total |
| Judo | 4 | 0 | 1 | 5 |
| Gymnastics | 3 | 3 | 3 | 9 |
| Wrestling | 2 | 5 | 2 | 9 |
| Shooting | 1 | 0 | 0 | 1 |
| Weightlifting | 0 | 0 | 3 | 3 |
| Artistic swimming | 0 | 0 | 2 | 2 |
| Archery | 0 | 0 | 1 | 1 |
| Cycling | 0 | 0 | 1 | 1 |
| Volleyball | 0 | 0 | 1 | 1 |
| Total | 10 | 8 | 14 | 32 |

## Archery

In their third Olympic archery competition, Japan won a bronze medal in the men's division as well as having a fourth place competitor in each division.
Women's Individual Competition:
* Hiroko Ishizu – 2525 points (4th place)
* Minako Hokari – 2481 points (10th place)
Men's Individual Competition:
* Hiroshi Yamamoto – 2563 points (Bronze Medal)
* Takayoshi Matsushita – 2552 points (4th place)
* Ichiro Shimamura – 2312 points (52nd place)

## Athletics

Men's 400 metres
* Susumu Takana
   * Heat — 46.26
   * Quarterfinals — 45.91
   * Semifinals — 45.88 (→ did not advance)
Men's 10,000 metres
* Yutaka Kanai
   * Qualifying Heat — 28:14.67
   * Final — 28:27.06 (→ 7th place)
* Masanari Shintaku
   * Qualifying Heat — 28:24.30
   * Final — 28:55.54 (→ 16th place)
Men's Marathon
* Takeshi So
   * Final — 2:10:55 (→ 4th place)
* Toshihiko Seko
   * Final — 2:14:13 (→ 14th place)
* Shigeru So
   * Final — 2:14:38 (→ 17th place)
Men's Long Jump
* Junichi Usui
   * Qualification — 8.02m
   * Final — 7.87m (→ 7th place)
Men's High Jump
* Takao Sakamoto
   * Qualification — 2.21m (→ did not advance)
Men's Javelin Throw
* Masami Yoshida
   * Qualification — 81.42m
   * Final — 81.98m (→ 5th place)
* Kazuhiro Mizoguchi
   * Qualification — 74.82m (→ did not advance, 20th place)
Men's Hammer Throw
* Shigenobu Murofushi
   * Qualification — 70.92m (→ did not advance)
Men's Pole Vault
* Tomomi Takahashi
   * Qualifying Round — 5.30m
   * Final — no mark (→ no ranking)
Women's Marathon
* Nanae Sasaki
   * Final — 2:37:04 (→ 19th place)
* Akemi Masuda
   * Final — did not finish (→ no ranking)
Women's High Jump
* Hisayo Fukumitsu
   * Qualification — 1.87m (→ did not advance, 17th place)
* Megumi Sato
   * Qualification — 1.84m (→ did not advance, 18th place)
Women's Javelin Throw
* Emi Matsui
   * Qualification — 57.72m (→ did not advance)
* Minori Mori
   * Qualification — 56.60m (→ did not advance)

## Boxing

Men's Light Flyweight (– 48 kg)
* Mamoru Kuroiwa
** First Round — Bye
** Second Round — Defeated Francisco Tejedor (COL), 4:1
** Quarterfinals — Lost to Keith Mwila (KEN), 0:5
Men's Bantamweight (– 54 kg)
* Hiroaki Takami
** First Round — Bye
** Second Round — Defeated Gamaleldin El-Koumy (EGY), 4:1
** Third Round — Lost to Dale Walters (CAN), 0:5

## Cycling

Nine cyclists, eight men and one woman, represented Japan in 1984. Tsutomu Sakamoto won a bronze medal in the sprint event.

### Men's individual road race

* Matsuyoshi Takahashi — 45th place

### Sprint

* Tsutomu Sakamoto
* Katsuo Nakatake

### 1000m time trial

* Tsutomu Sakamoto

### Team pursuit

* Akio Kuwazawa
* Harumitsu Okada
* Mitsugi Sarudate
* Yoshihiro Tsumuraya

### Points race

* Akio Kuwazawa
* Hitoshi Sato

### Women's individual road race

* Wakako Abe — 40th place

## Diving

Men's 3m Springboard
* Isao Yamagishi
   * Preliminary Round — 427.14 (→ did not advance, 25th place)

## Fencing

Nine fencers, five men and four women, represented Japan in 1984.

### Men's foil

* Kenichi Umezawa
* Nobuyuki Azuma
* Tadashi Shimokawa

### Men's team foil

* Nobuyuki Azuma, Yoshihiko Kanatsu, Hidehachi Koyasu, Tadashi Shimokawa, Kenichi Umezawa

### Women's foil

* Azusa Oikawa
* Mieko Miyahara
* Miyuki Maekawa

### Women's team foil

* Mieko Miyahara, Azusa Oikawa, Miyuki Maekawa, Tomoko Oka

## Handball
### Men's Team Competition

* Preliminary Round (Group A)
   * Lost to Yugoslavia (15:32)
   * Lost to Romania (22:28)
   * Lost to Iceland (17:21)
   * Lost to Switzerland (13:20)
   * Defeated Algeria (17:16)
* Classification Match
   * 9th/10th place: Lost to United States (16:24) → 10th place
* Team Roster
   * Seimei Gamo
   * Takashi Ikenoue
   * Yasou Ikona
   * Hidetada Ito
   * Koji Matsui
   * Mitsuaki Nakamoto
   * Kiyoshi Nishiyama
   * Takahiro Ohata
   * Nobuo Sasaki
   * Kenzo Seki
   * Yoshihiro Shiga
   * Katsutoshi Taguchi
   * Seiichi Takamura
   * Yukihiko Uemura
   * Shinji Yamamoto

## Modern pentathlon

Three male pentathletes represented Japan in 1984.

### Individual

* Shoji Uchida
* Hiroyuki Kawazoe
* Daizou Araki

### Team

* Shoji Uchida
* Hiroyuki Kawazoe
* Daizou Araki

## Shooting
### Men

| Athlete | Event | Final | Final |
| Athlete | Event | Points | Rank |
| Hiroyuki Akatsuka | 25 m rapid fire pistol | 583 | 23 |
| Norito Chosa | 50 m rifle, prone | 585 | 43 |
| Chikafumi Hirai | 50 m pistol | 551 | 18 |
| Takeo Kamachi | 25 m rapid fire pistol | 595 | |
| Ryohei Koba | 50 m rifle, three positions | 1137 | 25 |
| Ryohei Koba | 10 m air rifle | 578 | 18 |
| Kaoru Matsuo | 50 m rifle, three positions | 1125 | 35 |
| Hiroyuki Nakajo | 50 m rifle, prone | 591 | 17 |
| Shigetoshi Tashiro | 50 m pistol | 540 | 29 |

### Women

| Athlete | Event | Final | Final |
| Athlete | Event | Points | Rank |
| Keiko Hirakawa | 25 m pistol | 564 | 23 |
| Noriko Kosai | 50 m rifle, three positions | 568 | 11 |
| Noriko Kosai | 10 m air rifle | 383 | 10 |
| Atsuko Sugimoto | 25 m pistol | 564 | 23 |

### Open

| Athlete | Event | Final | Final |
| Athlete | Event | Points | Rank |
| Eigen Hayashi | Skeet | 184 | 41 |
| Motoharu Hirano | Trap | 186 | 11 |
| Mikio Itakura | Skeet | 192 | 13 |
| Kazumi Watanabe | Trap | 186 | 13 |

## Swimming

Men's 100m Freestyle
* Shigeo Ogata
   * Heat — 52.96 (→ did not advance, 33rd place)
* Satoshi Sumida
   * Heat — 53.83 (→ did not advance, 39th place)
Men's 200m Freestyle
* Hiroshi Sakamoto
   * Heat — 1:54.71 (→ did not advance, 26th place)
* Shigeo Ogata
   * Heat — 1:55.97 (→ did not advance, 33rd place)
Men's 400m Freestyle
* Shigeo Ogata
   * Heat — 4:02.97 (→ did not advance, 22nd place)
* Keisuke Okuno
   * Heat — 4:06.31 (→ did not advance, 27th place)
Men's 100m Backstroke
* Daichi Suzuki
   * Heat — 58.37
   * B-Final — 58.30 (→ 11th place)
Men's 200m Backstroke
* Daichi Suzuki
   * Heat — 2:06.24
   * B-Final — 2:06.02 (→ 16th place)
Men's 100m Breaststroke
* Shigehiro Takahashi
   * Heat — 1:04.71
   * B-Final — 1:04.41 (→ 10th place)
* Kenji Watanabe
   * Heat — 1:06.10 (→ did not advance, 9th place)
Men's 200m Breaststroke
* Shigehiro Takahashi
   * Heat — 2:19.98
   * B-Final — 2:20.93 (→ 12th place)
* Kenji Watanabe
   * Heat — 2:22.33
   * B-Final — 2:22.29 (→ 15th place)
Men's 100m Butterfly
* Taihei Saka
   * Heat — 56.40 (→ did not advance, 21st place)
* Shudo Kawawa
   * Heat — 56.52 (→ did not advance, 23rd place)
Men's 200m Butterfly
* Taihei Saka
   * Heat — 2:00.66
   * B-Final — 2:00.31 (→ 9th place)
* Shudo Kawawa
   * Heat — 2:03.07 (→ did not advance, 18th place)
Men's 200m Individual Medley
* Shinji Ito
   * Heat — 2:07.76
   * B-Final — 2:06.07 (→ 10th place)
Men's 400m Individual Medley
* Shinji Ito
   * Heat — 4:30.52
   * B-Final — 4:29.76 (→ 13th place)
Men's 4 × 100 m Freestyle Relay
* Hiroshi Sakamoto, Shigeo Ogata, Taihei Saka, and Satoshi Sumida
   * Heat — 3:30.45 (→ did not advance, 13th place)
Men's 4 × 200 m Freestyle Relay
* Taihei Saka, Hiroshi Sakamoto, Keisuke Okuno, and Shigeo Ogata
   * Heat — DSQ (→ did not advance, no ranking)
Men's 4 × 100 m Medley Relay
* Daichi Suzuki, Shigehiro Takahashi, Taihei Saka, and Hiroshi Sakamoto
   * Heat — 3:50.14
   * Final — DSQ (→ no ranking)
Women's 100m Freestyle
* Kaori Yanase
   * Heat — 58.47 (→ did not advance, 17th place)
* Chikako Nakamori
   * Heat — 59.00 (→ did not advance, 21st place)
Women's 200m Freestyle
* Chikako Nakamori
   * Heat — 2:03.94
   * B-Final — 2:04.11 (→ 13th place)
* Kaori Yanase
   * Heat — 2:04.38
   * B-Final — 2:05.24 (→ 16th place)
Women's 400m Freestyle
* Chikako Nakamori
   * Heat — 4:20.13
   * B-Final — 4:20.18 (→ 14th place)
* Junko Sakurai
   * Heat — 4:28.68 (→ did not advance, 19th place)
Women's 800m Freestyle
* Junko Sakurai
   * Heat — 9:13.27 (→ did not advance, 18th place)
Women's 4 × 100 m Freestyle Relay
* Junko Sakurai, Chikako Nakamori, Miki Saito, and Kaori Yanase
   * Heat — 3:54.68 (→ did not advance)
Women's 4 × 100 m Medley Relay
* Naomi Sekido, Hiroko Nagasaki, Naoko Kume, and Kaori Yanase
   * Heat — 4:17.59
   * Final — DSQ (→ no ranking)
Women's 100m Backstroke
* Naomi Sekido
   * Heat — 1:05.60 (→ did not advance, 18th place)
* Nozomi Sunouchi
   * Heat — 1:07.23 (→ did not advance, 23rd place)
Women's 200m Backstroke
* Naomi Sekido
   * Heat — 2:18.52
   * B-Final — 2:18.87 (→ 14th place)
* Nozomi Sunouchi
   * Heat — 2:25.05 (→ did not advance, 22nd place)
Women's 200m Butterfly
* Naoko Kume
   * Heat — 2:13.31
   * Final — 2:12.57 (→ 6th place)
* Kiyomi Takahashi
   * Heat — 2:14.37
   * B-Final — 2:16.27 (→ 12th place)
Women's 200m Individual Medley
* Hideka Koshimizu
   * Heat — 2:23.38
   * B-Final — 2:22.81 (→ 15th place)
Women's 400m Individual Medley
* Hideka Koshimizu
   * Heat — 4:59.18
   * B-Final — 4:58.02 (→ 14th place)

## Volleyball
### Men's Team Competition

* Preliminary Round (Group B)
   * Defeated China (3-0)
   * Defeated Italy (3-2)
   * Defeated Egypt (3-0)
   * Lost to Canada (0-3)
* Classification Matches
   * 5th/8th place: Lost to Argentina (1-3)
   * 7th/8th place: Defeated China (3-0) → 7th place
* Team Roster
   * Koshi Sobu
   * Eiji Shimomura
   * Kazuya Mitake
   * Eizaburo Mitsuhashi
   * Hiroaki Okuno
   * Yasushi Furukawa
   * Shuji Yamada
   * Mikiyasu Tanaka
   * Kimio Sugimoto
   * Minoru Iwata
   * Akihiro Iwashima
   * Shunichi Kawai

### Women's Team Competition

* Preliminary Round (Group A)
   * Defeated South Korea (3-1)
   * Defeated Peru (3-0)
   * Defeated Canada (3-0)
* Semi Finals
   * Lost to China (0-3)
* Bronze Medal Match
   * Defeated United States (3-1) → Bronze Medal
* Team Roster
   * Yumi Egami
   * Kimie Morita
   * Yuko Mitsuya
   * Miyoko Hirose
   * Kyoko Ishida
   * Yoko Kagabu
   * Norie Hiro
   * Kayoko Sugiiyama
   * Sachiko Otani
   * Keiko Miyajima
   * Emiko Odaka
   * Kumie Nakada

## Water polo
### Men's Team Competition

* Preliminary Round (Group C)
   * Lost to Italy (5-15)
   * Lost to West Germany (8-15)
   * Lost to Australia (2-15)
* Final Round (Group E)
   * Lost to China (4-10)
   * Lost to Greece (7-14)
   * Lost to Canada (5-8)
   * Defeated Brazil (9-8) → 11th place
* Team Roster
   * Etsuji Fujita
   * Yoshifumi Saito
   * Koshi Fujimori
   * Shingo Kai
   * Narihito Taima
   * Daisuke Houki
   * Toshio Fukumoto
   * Toshiyuki Miyahara
   * Hisayoshi Nagata
   * Koji Wakayoshi
   * Hisaharu Saito
   * Shinji Yamasaki
   * Asami Oura