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"Kei"

44-35-10

Keiichiro Yamamiya

Keiichiro "Kei" Yamamiya
  • Given Name: 山宮恵一郎, Yamamiya Keiichiro
  • MMA Record: 44-35-10 (Win-Loss-Draw)
  • Nickname: Kei
  • Current Streak: 7 Losses
  • Age: 45 | Date of Birth: 1972.07.12
  • Last Fight: January 31, 2015 in Pancrase
  • Weight Class: Middleweight | Last Weigh-In: 184.3 lbs
  • Affiliation: GRABAKA
  • Height: 5'10" (177cm) | Reach: N/A
  • Career Disclosed Earnings: $0 USD
  • Born: Chigasaki, Kanagawa, Japan
  • Fighting out of: Japan
  • College: N/A
  • Foundation Style: Wrestling
  • Fighter Links:
  • Personal Links:

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Keiichiro Yamamiya is ineligible for regional rankings due to inactivity.
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Keiichiro Yamamiya MMA Fight Record

Record by Year and By Promotion

Pro Results Opponent Event Date
Loss | Decision | Unanimous
3 Rounds, 9:00 Total

Jp Ikkei Nagamura
44-34-10 11-5-2

Jp Pancrase 264
Main Card | Middleweight | 84 kg

2015.01.31
Weigh-In: 184.3 lbs (83.6 kgs) | Referee: Yoshinori Umeki
Loss | KO/TKO
0:37 Round 2 of 3, 3:37 Total

Jp Kenta Takagi
44-33-10 11-8-0

Jp Pancrase 261
Main Card | Welterweight | 77 kg

2014.10.05
Weigh-In: 169.8 lbs (77.0 kgs) | Referee: Yoshinori Umeki
Loss | KO/TKO | Punches
4:13 Round 1 of 3

Jp Keita Nakamura
44-32-10 26-6-2

Jp DEEP 67 Impact
Main Card | Welterweight | 77 kg

2014.06.22
Loss | Submission | Choke
4:53 Round 1 of 2

Jp Yuki Okano
44-31-10 7-5-1

Jp DEEP 65 Impact
Main Card | Welterweight | 77 kg

2014.03.22
Loss | Decision | Unanimous
2 Rounds, 10:00 Total

Jp Eiji Ishikawa
44-30-10 25-18-3

Jp GRABAKA Live! 3
Co-Main Event | Open Weight

2013.10.27
Loss | Decision | Majority
2 Rounds, 10:00 Total

Jp Yuji Hisamatsu
44-29-10 15-22-6

Jp Pancrase 250: Neo Blood Tournament 19th Finals
Main Card | Middleweight | 84 kg

2013.07.28
Win | Decision
Custom Rules Bout

Jp Daijiro Matsui

Jp Japan Regional

2013.03.09
Loss | Decision | Unanimous
3 Rounds, 15:00 Total

Us Will Noland
44-28-10 8-3-0

Jp Pancrase 245
Main Card | Middleweight | 84 kg

2013.02.03
Win | KO/TKO | Knee
1:26 Round 1 of 2

Jp Ikkei Nagamura
43-28-10 8-4-2

Jp Pancrase Progress Tour 14
Main Card | Middleweight | 84 kg

2012.12.01
Win | Decision | Unanimous
2 Rounds, 10:00 Total

Jp Kenichi Yamamoto
42-28-10 5-10-2

Jp GRABAKA Live! 2
Main Card

2012.10.27
Loss | Decision | Unanimous
3 Rounds, 15:00 Total

Jp Takenori Sato
42-27-10 14-8-6

Jp Pancrase Progress Tour 10
Main Event | Welterweight | 77 kg

2012.09.01
Win | Decision | Majority

Jp Yukinari Tamura

Jp Pancrase

2012.01.28
Win | KO/TKO | Punches

Jp Shingo Suzuki

Jp Pancrase

2011.12.03
Win | Decision | Unanimous

Jp Yoshihisa Yamamoto

Jp GRABAKA Live!: 1st Cage Attack
Main Card

2011.10.15
Win | Decision | Majority

Jp Ichiro Kanai

Jp Pancrase

2011.08.07
Draw

Jp Kosei Kubota

Jp Pancrase

2011.02.06
Loss | KO/TKO | Kick

Jp Masahiro Toryu

Jp Pancrase

2010.12.05
Win | Decision | Majority

Kr Hoon Kim

Jp Pancrase

2010.08.08
Loss | Decision | Split

Jp Kengo Ura

Jp Pancrase

2010.06.05
Win | Decision | Majority

Jp Takenori Sato

Jp Pancrase

2010.04.04
Loss | Decision | Majority

Jp Yuji Hisamatsu

Jp Pancrase

2010.02.07
Win | KO/TKO | Punch

Jp Ryuji Ohori

Jp Pancrase

2009.06.07
Loss | KO/TKO | Punch
0:51 Round 3 of 3, 10:51 Total

Br Alexandre Ribeiro
35-23-9 1-0-0

Jp Sengoku 8
Main Card | Light Heavyweight | 93 kg

2009.05.02
Odds: +240 (Moderate Underdog) | Weigh-In: 202.8 lbs (92.0 kgs) | Referee: Yoshinori Umeki
Loss | Decision | Unanimous

Jp Ryo Kawamura

Jp Pancrase

2008.10.01
Win | Decision | Unanimous

Jp Hiromitsu Kanehara

Jp Pancrase

2008.06.01
Win | Decision | Majority

Jp Yuki Kondo

Jp Pancrase

2008.04.27
Win | Decision | Unanimous

Jp Ryo Kawamura

Jp Pancrase

2007.12.22
Draw
5:00 Round 2 of 2, 10:00 Total

Br Carlos Toyota
32-22-8 0-1-0

Jp MARS 6: Rapid Fire
Main Card | 90 kg (198.4 lbs)

2006.12.22
Loss | Decision | Unanimous

Fi Mikko Rupponen

Fi Fight Festival

2006.03.25
Loss | Decision | Unanimous
2 Rounds, 10:00 Total

Kr Dae Won Kim
32-20-8 8-2-0

Jp Deep 20 Impact
Main Card | Light Heavyweight | 90 kg

2005.09.03
Loss | Decision | Unanimous

Nilson de Castro

Jp Pancrase

2005.03.06
Loss | Submission | Leglock

Br Gustavo Machado

Jp Pancrase

2004.11.26
Win | Decision | Majority

Us Chael Sonnen

Jp Pancrase

2004.07.25
Win | Decision | Unanimous

Jp Kozo Urita

Jp Pancrase

2004.05.28
Draw

Us Bret Bergmark

Jp Pancrase

2003.12.21
Draw

Us Keith Jardine

Jp Pancrase

2003.10.04
Win | Decision | Unanimous

Us Nate Marquardt

Jp Pancrase

2003.07.27
Loss | KO/TKO | Punches

Nilson de Castro

Jp Pancrase

2003.06.07
Draw

Jp Tsuyoshi Kurihara

Jp Pancrase

2003.04.12
Loss | KO/TKO | Punches

Jp Akihiro Gono

Jp Pancrase

2002.12.21
Win | Decision | Majority

Jp Eiji Ishikawa

Jp Pancrase

2002.09.29
Win | KO/TKO | Punches

Jp Mitsuyoshi Sato

Jp Pancrase

2002.07.28
Win | KO/TKO | Punches

Jp Ichiro Kanai

Jp Pancrase

2002.05.11
Win | KO/TKO | Punches

Sumio Koyano

Jp Pancrase

2002.03.25
Loss | Submission | Armlock

Jp Yuki Sasaki

Jp Pancrase

2002.01.27
Loss | Decision | Unanimous

Jp Akihiro Gono

Jp Pancrase

2001.10.30
Win | Decision | Unanimous

Jp Hikaru Sato

Jp Japan Regional

2001.08.30
Win | KO/TKO | Punches

Yoshinori Kawasaki

Jp Pancrase

2001.07.29
Loss | KO/TKO | Punches
0:29 Round 2 of 3, 5:29 Total

Br Paulo Filho
23-13-5 1-0-0

Jp Deep 1 Impact
Main Card

2001.01.08
Win | Decision | Majority

Ca Denis Kang

Jp Pancrase

2000.12.04
Win | Submission | Choke

Se Omar Bouiche

Jp Pancrase

2000.09.24
Win | Decision | Unanimous

Jp Ikuhisa Minowa

Jp Pancrase

2000.09.24
Win | Decision | Unanimous

Naohisa Kawamura

Jp Pancrase

2000.06.26
Win | Decision | Majority

Jp Kosei Kubota

Jp Pancrase

2000.06.26
Win | Decision | Unanimous

Us Chris Lytle

Jp Pancrase

2000.01.23
Loss | KO/TKO | Punch
3:12 Round 3 of 3, 13:12 Total

Us Eugene Jackson
17-12-5 10-3-1

Jp UFC 23: Ultimate Japan 2
Main Card | Middleweight | 90 kg

1999.11.19
Weigh-In: 188.0 lbs (85.3 kgs) | Referee: John McCarthy
Win | KO/TKO | Punches

Nl Leon Van Dijk

Jp Pancrase

1999.07.06
Loss | Decision

Jp Kiuma Kunioku

Jp Pancrase

1999.05.23
Win | KO/TKO | Strikes

Jp Yuhi Sano

Jp Pancrase

1999.03.09
Draw

Us Jeremy Horn

Jp Pancrase

1998.12.19
Win | Decision

Us Jason DeLucia

Jp Pancrase

1998.10.26
Win | Decision | Majority

Satoshi Hasegawa

Jp Pancrase

1998.07.26
Loss | Decision | Unanimous

Jp Osami Shibuya

Jp Pancrase

1998.07.07
Draw | Majority

Jp Ryushi Yanagisawa

Jp Pancrase

1998.06.21
Win | KO/TKO

Jp Takafumi Ito

Jp Pancrase

1998.05.12
Loss | Decision | Majority

Jp Yuki Kondo

Jp Pancrase

1998.04.26
Win | Decision | Majority

Jp Minoru Suzuki

Jp Pancrase

1998.03.01
Draw | Unanimous

Jp Ryushi Yanagisawa

Jp Pancrase

1998.02.06
Loss | Submission | Leglock

Jp Osami Shibuya

Jp Pancrase

1998.01.16
Loss | Submission | Choke

Nl Bas Rutten

Jp Pancrase

1997.12.20
Win | Decision | Unanimous

Jp Takafumi Ito

Jp Pancrase

1997.11.16
Draw | Majority

Us Tra Telligman

Jp Pancrase

1997.10.29
Win | Decision

Jp Minoru Suzuki

Jp Pancrase

1997.09.06
Win | Decision

Jp Osami Shibuya

Jp Pancrase

1997.08.09
Win | Decision

Jp Kosei Kubota

Jp Pancrase

1997.07.21
Win | KO/TKO | Knees

Satoshi Hasegawa

Jp Pancrase

1997.07.21
Win | Submission | Choke

Les Johnston

Jp Pancrase

1997.07.20
Loss | Decision

Us Guy Mezger

Jp Pancrase

1997.06.30
Draw | Majority

Jp Kiuma Kunioku

Jp Pancrase

1997.05.24
Win | Submission | Armlock

Taka Michinoku

Jp Pancrase

1997.04.27
Loss | Decision

Jp Ryushi Yanagisawa

Jp Pancrase

1997.03.22
Win | Decision

Jp Takafumi Ito

Jp Pancrase

1997.02.22
Win | Decision

Us Brian Gassaway

Jp Pancrase

1997.01.17
Win | Decision | Unanimous

Wes Gassaway

Jp Pancrase

1996.12.15
Loss | Submission | Choke

Jp Kazuo Takahashi

Jp Pancrase

1996.11.09
Loss | Submission | Armlock

Jp Kiuma Kunioku

Jp Pancrase

1996.10.22
Loss | Decision | Majority

Katsuomi Inagaki

Jp Pancrase

1996.09.07
Loss | KO/TKO | Strikes

Jp Yuki Kondo

Jp Pancrase

1996.07.23
Loss | Submission | Leglock

Jp Osami Shibuya

Jp Pancrase

1996.07.23
Win | Decision | Split

Satoshi Hasegawa

Jp Pancrase

1996.07.22

Keiichiro Yamamiya Wiki Update Wiki

Keiichiro Yamamiya is a Japanese mixed martial arts fighter who was born on July 12, 1972 in Kanagawa, Japan. He is most famously known by his Japanese mixed martial arts fighting name which is KEI Yamamiya which is an abbreviation of his real name. 


During his time at the Era Kokushikan University, KEI began competing in wrestling. After graduating, he became a sports instructor and in 1995 he began his mixed martial arts career competing in the 1995 Pancrase Neo Blood Tournament. 

A year after entering the Pancrase Neo Blood Tournament, KEI made his professional MMA debut by defeating Satoshi Hasegawa by split decision on July 22, 1996 at the 1996 Pancrase Neo Blood Tournament event.   

Since making his debut in 1996, KEI has spent most of his mixed martial arts career competing in Pancrase where he has defeated fighters such as Chris Lytle, Ikuhisa Minowa, Denis Kang, Nate Marquardt and Chael Sonnen,

Last updated 03.30.2013, 5:41 PM ET
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