Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
SI

Shigeki Iwanami — 59 Patents

Denso: 43 patents #62 of 11,792Top 1%
NSNippon Soken: 37 patents #11 of 1,540Top 1%
NCNippondenso Co.: 11 patents #131 of 3,479Top 4%
TIToyota Industries: 8 patents #117 of 955Top 15%
Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #40,733 of 4,157,543Top 1%
59 Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
6927500 Automotive accessories control system Kazuhide Uchida 2005-08-09
6874328 Hybrid compressor device Yasushi Suzuki, Hironori Asa, Keiichi Uno 2005-04-05
6874996 Compressor having independently driven members 2005-04-05
6830438 Hybrid compressor Yukio Ogawa, Yoshiki Tada 2004-12-14
6804969 Composite auxiliary machine for a vechile and a control unit thereof Hironori Asa 2004-10-19
6755033 Hybrid compressor apparatus and method of controlling the same Keiichi Uno 2004-06-29
6742350 Hybrid compressor device Yasushi Suzuki, Hironori Asa, Keiichi Uno 2004-06-01
6735962 Composite auxiliary machine for vehicle and control unit thereof Tsuneyuki Egami, Takuo Sakai, Hironori Asa 2004-05-18
6688121 Controlled compressor apparatus Yoshiki Tada 2004-02-10
6675596 Compressor driven selectively by first and second drive sources Yasuhiko Niimi, Yukio Ogawa, Takashi Inoue 2004-01-13
6659738 Composite drive system for compressor Yukio Ogawa, Takashi Inoue, Hironori Asa 2003-12-09
6637230 Automotive air-conditioner having sub-compressor driven by electric motor Yasushi Suzuki, Junzo Kawasumi 2003-10-28
6511530 Compressor with oil separator Yasuhiro Oki 2003-01-28
6467281 Vapor-compression refrigerant cycle for vehicle Keiichi Uno, Takayoshi Matsuno 2002-10-22
6244834 Variable capacity-type scroll compressor Mikio Matsuda, Mitsuo Inagaki, Takashi Inoue 2001-06-12
6231316 Scroll-type variable-capacity compressor Takeshi Wakisaka, Keiichi Uno 2001-05-15
6224349 Reciprocating type compressor having orbiting valve plate Kazuhito Miyagawa 2001-05-01
6149401 Variable discharge-amount compressor for refrigerant cycle Takeshi Sakai 2000-11-21
5920985 Method of manufacturing a movable scroll element Tetsuhiko Fukanuma, Yasushi Watanabe, Shinya Yamamoto, Yuichi Tsumagari 1999-07-13
5807089 Scroll type compressor with a reinforced rotation preventing means Yuichi Tsumagari, Shigeru Hisanaga, Yasuhiro Oki, Shinya Yamamoto, Tetsuya Yamaguchi +5 more 1998-09-15
5807088 Scroll type compressor with chamfered scroll wall Tetsuhiko Fukanuma, Yasushi Watanabe, Shinya Yamamoto, Kunifumi Goto, Yasushi Suzuki 1998-09-15
5711659 Method of manufacturing a movable scroll element and a scroll element produced by the same method Tetsuhiko Fukanuma, Yasushi Watanabe, Shinya Yamamoto, Yuichi Tsumagari 1998-01-27
5681155 Scroll type compressor having an elastic body in the driven crank mechanism Shigeru Hisanaga, Tsuyoshi Takemoto, Haruhisa Shibata, Takeshi Sakai, Masafumi Nakashima +5 more 1997-10-28
5581880 Method for machining scroll member Junichi Iio, Yukio Yamaguchi, Norio Suzuki, Masaaki Enya, Yukihisa Tsuchimoto +3 more 1996-12-10
5531579 Scroll type compressor Tetsuhiko Fukanuma, Kunifumi Goto, Yuichi Tsumagari 1996-07-02