TF

Tetsuhiko Fukanuma

TI Toyota Industries: 85 patents #55 of 1,610Top 4%
NC Nippondenso Co.: 19 patents #42 of 3,479Top 2%
DE Denso: 2 patents #4,986 of 11,792Top 45%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #19,294 of 4,157,543Top 1%
87
Patents All Time

Issued Patents All Time

Showing 26–50 of 87 patents

Patent #TitleCo-InventorsDate
6352416 Device and method for controlling displacement of variable displacement compressor Masaki Ota, Kazushige Murao, Shigeyuki Hidaka, Satoshi Koumura, Masaru Hamasaki 2002-03-05
6338613 Piston-type compressor Takuya Okuno, Masahiro Kawaguchi, Hiroshi Kubo 2002-01-15
D452254 Compressor for a vehicle air conditioner Masahiro Kawaguchi, Masanori Sonobe, Ken Suitou, Osamu Hiramatsu 2001-12-18
6318971 Variable displacement compressor Masaki Ota, Muneharu Murase, Katsuya Ohyama 2001-11-20
6283722 Variable displacement type compressor Kenji Takenaka, Hiroaki Kayukawa, Masahiro Kawaguchi, Hideki Mizutani, Suguru Hirota +1 more 2001-09-04
6224348 Device and method for controlling displacement of variable displacement compressor Masahiro Kawaguchi 2001-05-01
D441377 Compressor for a vehicle air conditioner Masahiro Kawaguchi, Masanori Sonobe, Ken Suitou, Osamu Hiramatsu 2001-05-01
6203284 Valve arrangement at the discharge chamber of a variable displacement compressor Masahiro Kawaguchi, Masanori Sonobe, Ken Suitou, Hiroyuki Nagai, Yoshihiro Makino +1 more 2001-03-20
6149398 Variable capacity piston- operated refrigerant compressor with an oil separating means Shintaro Miura, Takuya Okuno, Eiji Tokunaga 2000-11-21
6146107 Variable displacement compressor Masahiro Kawaguchi, Kazuaki Iwama, Hiroyuki Nagai 2000-11-14
6126406 Variable displacement compressor Masahiro Kawaguchi, Takuya Okuno, Hiroyuki Nagai 2000-10-03
6126405 Undulating current supplying means for the solenoid of a displacement control valve in a variable displacement compressor Masahiro Kawaguchi, Masanori Sonobe, Hiroshi Kubo 2000-10-03
6076449 Variable displacement compressor Masahiro Kawaguchi, Masakazu Murase, Hiroshi Kubo 2000-06-20
6074141 Scroll compressor having grooves for seal members Kimihiro Ishikawa, Takashi Miyakawa, Yasushi Watanabe, Shinya Yamamoto 2000-06-13
6062823 Control valve in variable displacement compressor Masahiro Kawaguchi, Ken Suitou, Masanori Sonobe 2000-05-16
6036447 Control valve having a ground connection for the actuator coil Masahiro Kawaguchi, Masanori Sonobe, Ken Suito, Norio Uemura, Kazuaki Nagayoshi +2 more 2000-03-14
6033189 Control valve Shintaro Miura, Ken Suitou, Masahiro Kawaguchi, Hiroshi Kubo, Ryo Matsubara +5 more 2000-03-07
6010312 Control valve unit with independently operable valve mechanisms for variable displacement compressor Ken Suitou, Masahiro Kawaguchi, Hiroyuki Nagai 2000-01-04
5964578 Control valve in variable displacement compressor Ken Suitou, Masahiro Kawaguchi, Masanori Sonobe, Norio Uemura, Kazuaki Nagayoski +2 more 1999-10-12
5920985 Method of manufacturing a movable scroll element Yasushi Watanabe, Shinya Yamamoto, Yuichi Tsumagari, Shigeki Iwanami 1999-07-13
5915928 Compressor having a swash plate with a lubrication hole Masakazu Murase, Masahiko Okada, Hiroshi Kubo 1999-06-29
5890878 Valve structure in compressor Masakazu Murase, Eiji Tokunaga, Takuya Okuno 1999-04-06
5871337 Swash-plate compressor with leakage passages through the discharge valves of the cylinders Masahiro Kawaguchi, Ken Suitou, Tomohiko Yokono 1999-02-16
5807088 Scroll type compressor with chamfered scroll wall Yasushi Watanabe, Shinya Yamamoto, Kunifumi Goto, Shigeki Iwanami, Yasushi Suzuki 1998-09-15
5711659 Method of manufacturing a movable scroll element and a scroll element produced by the same method Yasushi Watanabe, Shinya Yamamoto, Yuichi Tsumagari, Shigeki Iwanami 1998-01-27