Mamoru Yokoyama boxer
- bouts
- 64
- won
- 36
- lost
- 26
- draw
- 2
- Status
- inactive
- Division
- middleweight
- Debut
- 1947-08-15
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1931-04-28
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1966-07-23 | Noboru Tani | L | Denen Coloseum | WIN KO |
| 1959-01-28 | Seijiro Yamanoi | LLLLWL | WIN Points |
|
| 1958-03-15 | Teruo Nagaosa | WWLLLL | LOST Points |
|
| 1957-10-20 | Teruo Matsuyama | LWWWLW | Abeno Gymnasium, Osaka | LOST Points |
| 1957-03-23 | Kenji Fukuchi | WLLWWW | LOST Points |
|
| 1956-12-14 | Teruo Onuki | WWWLLL | Otemae Hall, Osaka | LOST KO |
| 1956-10-06 | Jiro Sawada | LWLLWW | LOST KO |
|
| 1956-07-23 | Noboru Tani | debut | WIN KO |
|
| 1956-06-18 | Kenji Fukuchi | WLWWWW | Yokohama | LOST KO |
| 1956-05-29 | Katsumi Kosaka | LLWLLW | LOST Technical knockout |
|
| 1956-01-28 | Akiyoshi Akanuma | WLWLWW | Kyobashi Hall | LOST Points |
| 1955-12-21 | Teruo Nagaosa | LWWDWW | Kawasaki | WIN Points |
| 1955-11-26 | Teruo Onuki | LLWLWW | Oji Hall | LOST KO |
| 1955-09-28 | Maurice Jenkins | LWLLLD | LOST Points |
|
| 1955-07-26 | Hachiro Tatsumi | WWWWWL | LOST KO |
|
| 1955-07-12 | Seijiro Yamanoi | WLLDWW | Kyobashi Hall | LOST Points |
| 1955-05-04 | Takeo Yamanaka | LLLLLL | Kyobashi Hall | WIN Points |
| 1954-11-29 | Takeo Yamanaka | WLLLLL | WIN Corner retirement |
|
| 1954-10-30 | Star Gony | WWLWWW | Manila | LOST KO |
| 1954-10-24 | Takeo Yamanaka | LWLLLL | WIN Points |
|
| 1954-08-07 | Teruo Nagaosa | WWW | Denen Coloseum | WIN Points |
| 1954-07-02 | Hachiro Tatsumi | LWWWWW | Osaka | LOST Points |
| 1954-03-22 | Peace Meller | debut | WIN KO |
|
| 1954-01-18 | Hachiro Tatsumi | LLWLLW | LOST Points |
|
| 1953-11-19 | Shintaro Kiyokawa | WWWLWL | Osaka | WIN Points |
| 1953-09-19 | Teruo Matsuyama | WLLWDL | Osaka Stadium, Osaka | WIN KO |
| 1953-08-12 | Juichi Mikami | LLLLLL | WIN Points |
|
| 1953-07-01 | Shintaro Kiyokawa | WLLWWW | Korakuen Ice Palace | WIN Points |
| 1953-06-15 | Takeo Yamanaka | WLWWLW | WIN Technical knockout |
|
| 1952-08-30 | Ray Acosta | LWWWLW | LOST KO |
|
| 1952-08-01 | Tatsuo Hirama | LLLLWD | WIN |
|
| 1952-07-16 | Takashi Inamasu | LLLLLW | WIN KO |
|
| 1952-04-21 | Toru Takagi | LDWWDW | WIN KO |
|
| 1952-03-07 | Shintaro Kiyokawa | DWLLWW | Kyobashi Hall | WIN Points |
| 1952-01-03 | Hachiro Tatsumi | LWWWLL | LOST KO |
|
| 1951-10-18 | Tatsuo Hirama | LLWLLL | WIN Points |
|
| 1951-09-04 | Isao Shiina | WWWWWL | LOST Points |
|
| 1951-04-28 | Takeo Ugo | WWWWWD | DRAW Points |
|
| 1951-03-01 | Takeo Yamanaka | LLDLLL | WIN Points |
|
| 1951-02-07 | Takashi Inamasu | LDDLLL | LOST KO |
|
| 1950-12-22 | Hachiro Tatsumi | DLWWDW | LOST KO |
|
| 1950-10-13 | Takeo Ugo | LWW | LOST KO |
|
| 1950-10-02 | Juichi Mikami | WDWDLW | LOST Points |
|
| 1950-09-15 | Takeo Yamanaka | LLDL | WIN Corner retirement |
|
| 1950-07-28 | Kazuo Matsuyama | L | WIN KO |
|
| 1950-04-18 | Hideo Yajima | debut | WIN Points |
|
| 1950-03-28 | Yoshio Takahashi | W | WIN Points |
|
| 1950-02-03 | Kazuyoshi Otake | debut | LOST Points |
|
| 1950-01-25 | Yoshiaki Kageshima | debut | WIN Points |
|
| 1949-12-13 | Gakuichiro Fujii | debut | WIN Points |
|
| 1949-11-26 | Tomeo Tanaka | debut | WIN Points |
|
| 1948-05-01 | Yoshio Takami | debut | LOST KO |
|
| 1948-02-20 | Koichiro Yoshida | LL | WIN Points |
|
| 1948-02-14 | Riichi Shindo | debut | WIN Points |
|
| 1948-02-10 | Tsugio Kobayashi | debut | WIN Points |
|
| 1948-01-31 | Hiromasa Sakuma | debut | WIN KO |
|
| 1948-01-10 | Hiroshi Kawanami | debut | WIN Points |
|
| 1947-11-03 | Saburo Obata | debut | Yokohama | WIN Points |
| 1947-10-18 | Kimio Akahori | LL | WIN Points |
|
| 1947-10-14 | Saburo Kaneda | debut | WIN Points |
|
| 1947-10-10 | Shichiro Nakamura | debut | LOST KO |
|
| 1947-09-16 | Yataro Tsuyuzaki | debut | DRAW Points |
|
| 1947-09-12 | Ryozo Kobayashi | debut | LOST Points |
|
| 1947-08-15 | Yoshio Tsuneyoda | debut | WIN Points |