TT

Tatsuhiko Takahashi

Mitsubishi Electric: 56 patents #99 of 25,717Top 1%
GK G-C Toshi Kogyo: 2 patents #4 of 17Top 25%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
Overall (All Time): #36,802 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 26–50 of 62 patents

Patent #TitleCo-InventorsDate
6644273 Internal combustion engine control apparatus Hideki Hagari, Yasuyoshi Hori, Akira Furuta, Shiro Yonezawa 2003-11-11
6561147 Valve timing control system for internal combustion engine Morio Fujiwara 2003-05-13
6526930 Valve timing control system for internal combustion engine Morio Fujiwara 2003-03-04
6520131 Valve timing control system for internal combustion engine Morio Fujiwara, Koji Wada 2003-02-18
6516759 Valve timing control apparatus for internal combustion engine Morio Fujiwara 2003-02-11
6513468 Valve timing control system for internal combustion engine Morio Fujiwara 2003-02-04
6499450 Valve timing control system for internal combustion engine Atsuko Hashimoto, Hirofumi Ohuchi 2002-12-31
6494173 Valve timing control system for internal combustion engine Atsuko Hashimoto, Hirofumi Ohuchi 2002-12-17
6412459 Valve timing controller for internal combustion engine Atsuko Hashimoto 2002-07-02
6397803 Valve timing control system for internal combustion engine Morio Fujiwara, Atsuko Hashimoto 2002-06-04
6386158 Valve timing control apparatus for internal combustion engines 2002-05-14
6325029 Valve timing control system for internal combustion engine 2001-12-04
6301543 Control system for internal combustion engine Morio Fujiwara, Atsuko Hashimoto, Satoshi Wachi 2001-10-09
6283074 Valve timing control system for internal combustion engine Satoshi Wachi, Atsuko Hashimoto, Hirofumi Ohuchi 2001-09-04
6276341 Internal-combustion engine control system Takeshi Kawakami, Atsuko Hashimoto 2001-08-21
6266606 Control system for internal combustion engine Morio Fujiwara, Atsuko Hashimoto, Satoshi Wachi 2001-07-24
6263275 Control system for internal combustion engine Morio Fujiwara, Atsuko Hashimoto, Satoshi Wachi 2001-07-17
6240359 Control system for internal combustion engine Morio Fujiwara, Atsuko Hashimoto, Satoshi Wachi 2001-05-29
6213067 Control device for internal combustion engine Takeshi Kawakami, Atsuko Hashimoto, Hirofumi Ohuchi 2001-04-10
6196173 Valve timing control system for internal combustion engine Atsuko Hashimoto, Satoshi Wachi, Hirofumi Ohuchi 2001-03-06
6092505 Engine controlling apparatus for an automotive engine Shiro Yonezawa, Satoshi Wachi, Atsuko Hashimoto, Hirofumi Ohuchi 2000-07-25
6058346 Deceleration controlling apparatus capable of controlling deceleration during a throttle valve failure Satoshi Wachi, Shiro Yonezawa 2000-05-02
6016794 Fuel injection control apparatus for internal combustion engine Atsuko Hashimoto, Shiro Yonezawa, Hirofumi Ohuchi 2000-01-25
5924959 Device for controlling an automatic transmission and an engine for vehicles Shiro Yonezawa, Satoshi Wachi, Hirofumi Ohuchi 1999-07-20
5916131 Apparatus for purifying engine exhaust gas Yasuhiko Hosoya, Toshiki Kuroda, Mutsuo Sekiya 1999-06-29