Japan at the 1984 Summer Olympics

Infobox Olympics Japan
games=1984 Summer
competitors=
sports=
flagbearer=
gold=10
silver=8
bronze=14
total=32

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.

Medalists

Gold

*Koji Gushiken — Gymnastics, Men's All-Around Individual Competition

*Koji Gushiken — Gymnastics, Men's Rings

*Shinji Morisue — Gymnastics, Men's Horizontal Bar

*Shinji Hosokawa — Judo, Men's Extra Lightweight (60 kg)

*Yoshiyuki Matsuoka — Judo, Men's Half Lightweight (65 kg)

*Hitoshi Saito — Judo, Men's Heavyweight

*Yasuhiro Yamashita — Judo, Men's Open Class

*Takeo Kamachi — Shooting, Men's Rapid-Fire Pistol

*Atsuji Miyahara — Wrestling, Men's Greco-Roman Flyweight

*Hideaki Tomiyama — Wrestling, Men's Freestyle Bantamweight (57 kg)

Silver

*Noboyuki Kajitani — Gymnastics, Men's Parallel Bars

*Masaki Eto — Wrestling, Men's Greco-Roman Bantamweight

*Takashi Irie — Wrestling, Men's Freestyle Light Flyweight (48 kg)

*Kosei Akaishi — Wrestling, Men's Freestyle Featherweight (62 kg)

*Hideyuki Nagashima — Wrestling, Men's Freestyle Middleweight (82 kg)

*Akira Ota — Wrestling, Men's Freestyle Light Heavyweight (90 kg)

Bronze

*Hiroshi Yamamoto — Archery, Men's Individual Competition

*Tsutomu Sakamoto — Cycling, Men's 1.000m Sprint (Scratch)

* Yumi Egami, Norie Hiro, Miyoko Hirose, Kyoko Ishida, Yoko Kagabu, Yuko Mitsuya, Keiko Miyajima, Kimie Morita, Kumi Nakada, Emiko Odaka, Sachiko Otani, and Kayoko Sugiyama — Volleyball, Women's Team Competition

*Koji Gushiken — Gymnastics, Men's Horizontal Bar

*Koji Sotomura — Gymnastics, Men's Floor Exercises

*Koji Gushiken, Noritoshi Hirata, Noboyuki Kajitani, Shinji Morisue, Koji Sotomura, and Kyoji Yamawaki — Gymnastics, Men's Team Combined Exercises

*Seiki Nose — Judo, Men's Middleweight (86 kg)

*Miwako Motoyoshi — Synchronised Swimming, Women's Solo

*Saeko Kimura and Miwako Motoyoshi — Synchronised Swimming, Women's Duet

*Kazushito Manabe — Weightlifting, Men's Flyweight (52 kg)

*Masahiro Kotaka — Weightlifting, Men's Bantamweight (56 kg)

*Ryoji Isaoka — Weightlifting, Men's Light Heavyweight (82½ kg)

*Ikuzo Saito — Wrestling, Men's Greco-Roman Light Flyweight

*Yuji Takada — Wrestling, Men's Freestyle Flyweight (52 kg)

Results by event

=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 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
* Megumi Sato :* Qualification — 1.84m (→ did not advance)

* Hisayo Fukumitsu :* Qualification — 1.87m (→ did not advance)

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=

Men's Individual Road Race
*Matsuyoshi Takahashi — 45th place

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)

=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

=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 4x100m Freestyle Relay
*Hiroshi Sakamoto, Shigeo Ogata, Taihei Saka, and Satoshi Sumida:* Heat — 3:30.45 (→ did not advance, 13th place)

Men's 4x200m Freestyle Relay
*Taihei Saka, Hiroshi Sakamoto, Keisuke Okuno, and Shigeo Ogata:* Heat — DSQ (→ did not advance, no ranking)

Men's 4x100m 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 4x100m Freestyle Relay
*Junko Sakurai, Chikako Nakamori, Miki Saito, and Kaori Yanase:* Heat — 3:54.68 (→ did not advance)

Women's 4x100m Medley Relay
*Naomi Sekido, Hiroko Nagasaki, Naoko Ku, 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