Note: Any part of a date in GREEN means that part of the date is unknown
(A guess was made for entry purposes only)

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New Japan Pro Wrestling
International Wrestling Grand Prix
Junior Heavyweight Championship
(February 6, 1986 - Present)
Won By: Won From:     Date: Event: Location: Length of         
Title Reign:         
Shiro Koshinaka Tournament Feb. 06, 1986        -- Tokyo, Kantō, Japan 102 days     
Koshinaka defeated The Cobra in the finals of a 9-man tournament to crown the first champion.
Nobuhiko Takada Shiro Koshinaka May 19, 1986        -- Tokyo, Kantō, Japan 123 days     
Shiro Koshinaka (2) Nobuhiko Takada Sep. 19, 1986        -- Fukuoka, Kyushu, Japan 317 days     
** Title Vacated ** Shiro Koshinaka Aug. 02, 1987        -- -- 18 days     
Koshinaka vacates the title due to a leg injury.
Kuniaki Kobayashi Tournament Aug. 20, 1987        -- Tokyo, Kantō, Japan 129 days     
Kobayashi defeated Nobuhiko Takada in the finals of a 8-man tournament for the vacant title.
Hiroshi Hase Kuniaki Kobayashi Dec. 27, 1987        -- Tokyo, Kantō, Japan 152 days     
Owen Hart Hiroshi Hase May 27, 1988        -- Sendai, Tōhoku, Japan 28 days     
Shiro Koshinaka (3) Owen Hart Jun. 24, 1988        -- Osaka, Kansai, Japan 265 days     
Hiroshi Hase (2) Shiro Koshinaka Mar. 16, 1989        -- Yokohama, Kantō, Japan 70 days     
Jushin Liger Hiroshi Hase May 25, 1989        -- Osaka, Kansai, Japan 77 days     
Naoki Sano Jushin Liger Aug. 10, 1989        -- Tokyo, Kantō, Japan 174 days     
Jushin Liger (2) Naoki Sano Jan. 31, 1990        -- Osaka, Kansai, Japan 200 days     
The Pegasus Kid Jushin Liger Aug. 19, 1990        -- Tokyo, Kantō, Japan 0 days     
Jushin Liger (3) The Pegasus Kid Aug. 19, 1990        -- Tokyo, Kantō, Japan 239 days     
** Title Vacated ** Jushin Liger Apr. 15, 1991        -- -- 15 days     
Liger vacates the title so it can be awarded in the "Top Of The Super Junior" tournament.
Norio Honaga Tournament Apr. 30, 1991        -- Tokyo, Kantō, Japan 43 days     
Honaga defeated Jushin Liger in the finals of a 7-man "Top Of The Super Junior" tournament.
Jushin Liger (4) Norio Honaga Jun. 12, 1991        -- Tokyo, Kantō, Japan 58 days     
Akira Nogami Jushin Liger Aug. 09, 1991        -- Tokyo, Kantō, Japan 88 days     
Norio Honaga (2) Akira Nogami Nov. 05, 1991        -- Tokyo, Kantō, Japan 95 days     
Jushin Liger Norio Honaga Feb. 08, 1992        -- Sapporo, Hokkaido, Japan 139 days     
El Samurai Jushin Liger Jun. 26, 1992        -- Tokyo, Kantō, Japan 149 days     
Ultimo Dragon El Samurai Nov. 22, 1992        -- Tokyo, Kantō, Japan 43 days     
Jushin Liger (6) Ultimo Dragon Jan. 04, 1993        W.C.W./N.J. Supershow Tokyo, Kantō, Japan 1 yr, 263 days     
** Title Vacated ** Jushin Liger Sep. 24, 1994        -- -- 3 days     
Liger vacates the title due to a broken leg suffered during a tag team match.
Norio Honaga (3) Tournament Sep. 27, 1994        -- Osaka, Kansai, Japan 145 days     
Honaga defeated Wild Pegasus in the finals of a 6-man tournament for the vacant title.
Koji Kanemoto Norio Honaga Feb. 19, 1995        -- Tokyo, Kantō, Japan 73 days     
Sabu Koji Kanemoto May 03, 1995        Wrestling Dontaku Fukuoka, Kyushu, Japan 42 days     
Koji Kanemoto (2) Sabu Jun. 14, 1995        -- Tokyo, Kantō, Japan 204 days     
Jushin Liger (7) Koji Kanemoto Jan. 04, 1996        Wrestling World Tokyo, Kantō, Japan 116 days     
The Great Sasuke Jushin Liger Apr. 29, 1996        Battle Formation Tokyo, Kantō, Japan 165 days     
On August 5, 1996, Sasuke defeated Ultimo Dragon in the finals of the J-Crown tournament where a total of 8 championships where on the line. The titles included were the N.W.A. World Junior Heavyweight, the W.A.R. International Junior Heavyweight, the M.P.W. British Commonwealth Junior Heavyweight, the W.W.F. World Light-Heavyweight, the U.W.A. World Junior Light-Heavyweight, the W.W.A. World Junior Light-Heavyweight and the N.W.A. World Welterweight.
Ultimo Dragon (2) The Great Sasuke Oct. 11, 1996        -- Osaka, Kansai, Japan 85 days     
Jushin Liger (8) Ultimo Dragon Jan. 04, 1997        Wrestling World Tokyo, Kantō, Japan 183 days     
El Samurai (2) Jushin Liger Jul. 06, 1997        Summer Struggle Tour Sapporo, Hokkaido, Japan 35 days     
Shinjirō Ōhtani El Samurai Aug. 10, 1997        The Four Heaven Nagoya, Chūbu, Japan 181 days     
Jushin Liger (9) Shinjirō Ōhtani Feb. 07, 1998        Fighting Spirit Tour Sapporo, Hokkaido, Japan 1 yr, 38 days     
Koji Kanemoto (3) Jushin Liger Mar. 17, 1999        Hyper Battle Tour Hiroshima, Chūgoku, Japan 164 days     
Kendo Kashin Koji Kanemoto Aug. 28, 1999        Jingu Climax Tokyo, Kantō, Japan 44 days     
Jushin Liger (10) Kendo Kashin Oct. 11, 1999        Final Dome Tokyo, Kantō, Japan 49 days     
Juventud Guerrera Jushin Liger Nov. 29, 1999        Monday Nitro Denver, CO, USA 7 days     
Jushin Liger (11) Psicosis Dec. 06, 1999        Monday Nitro Milwaukee, WI, USA 227 days     
While Guerrera is out with an injury, W.C.W. orders a match between Psicosis and La Parka for title. However, Psicosis attacks La Parka backstage before the match and Jushin Liger is put in the match instead.
Tatsuhito Takaiwa Jushin Liger Jul. 20, 2000        Summer Struggle Tour Sapporo, Hokkaido, Japan 101 days     
Minoru Tanaka Tatsuhito Takaiwa Oct. 29, 2000        Black vs. G-Eggs Tour Kobe, Japan 264 days     
Masayuki Naruse Minoru Tanaka Jul. 20, 2001        Dome Quake Sapporo, Hokkaido, Japan 80 days     
Kendo Kashin (2) Masayuki Naruse Oct. 08, 2001        Indicate Of Next Tokyo, Kantō, Japan 116 days     
** Title Vacated ** Kendo Kashin Feb. 01, 2002        -- -- 15 days     
Kashin vacates the title after leaving N.J.P.W.
Minoru Tanaka Masahito Kakihara Feb. 16, 2002        Fighting Spirit Tour Tokyo, Kantō, Japan 153 days     
Koji Kanemoto (4) Minoru Tanaka Jul. 19, 2002        Toukon Memorial Day Sapporo, Hokkaido, Japan 278 days     
Tiger Mask IV Koji Kanemoto Apr. 23, 2003        Strong Energy Tour Hiroshima, Chūgoku, Japan 153 days     
** Title Vacated ** Tiger Mask IV Sep. 23, 2003        -- -- 20 days     
Tiger Mask IV vacates the title, reason unknown.
Jado Battle Royal Oct. 13, 2003        Ultimate Crush Tokyo, Kantō, Japan 62 days     
Jado eliminates Koji Kanemoto in a 11-man Battle Royal for the vacant title.
HEAT (3) Jado Dec. 14, 2003        Battle Final Tour Nagoya, Chūbu, Japan 1 yr, 22 days     
Tiger Mask IV (2) HEAT Jan. 04, 2005        Toukon Festival Tokyo, Kantō, Japan 277 days     
Black Tiger IV Tiger Mask IV Oct. 08, 2005        Toukon Souzou New Ch. Tokyo, Kantō, Japan 134 days     
Tiger Mask IV (3) Black Tiger IV Feb. 19, 2006        Circuit Acceleration Tour Tokyo, Kantō, Japan 73 days     
Koji Kanemoto (5) Tiger Mask IV May 03, 2006        New Japan Cup Tour Fukuoka, Kyushu, Japan 235 days     
Minoru Tanaka (4) Koji Kanemoto Dec. 24, 2006        Battle Xmas! Tokyo, Kantō, Japan 194 days     
Ryusuke Taguchi Minoru Tanaka Jul. 06, 2007        New Japan Soul Tour Tokyo, Kantō, Japan 155 days     
Wataru Inoue Ryusuke Taguchi Dec. 08, 2007        New Japan Alive Tour Osaka, Kansai, Japan 191 days     
** Title Vacated ** Wataru Inoue Jun. 16, 2008        -- -- 22 days     
Inoue vacates the title in order to move up to the heavyweight division. A tournament will be held to crown a new champion.
Tiger Mask IV (4) 12-Man Tournament Jul. 08, 2008        -- Tokyo, Kantō, Japan 75 days     
Tiger Mask defeated Prince Devitt in the finals of a tournament for the vacated title.
Low-Ki Tiger Mask IV Sep. 21, 2008        -- Kobe, Japan 9 yrs, 66 days