HK

Hisasi Kawai

NS Nippon Soken: 107 patents #2 of 1,540Top 1%
TO Toyota: 40 patents #306 of 26,838Top 2%
NC Nippondenso Co.: 8 patents #238 of 3,479Top 7%
Overall (All Time): #12,258 of 4,157,543Top 1%
109
Patents All Time

Issued Patents All Time

Showing 1–25 of 109 patents

Patent #TitleCo-InventorsDate
4887569 Electrostrictive actuator device and fuel injection device using same Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Kiyonori Sekiguchi, Akihiro Izawa 1989-12-19
4837727 Road surface detecting device for vehicle Syuzaburou Tashiro, Toshikazu Ina 1989-06-06
4809197 Road surface detecting device Syuzaburou Tashiro, Toshikazu Ina 1989-02-28
4777611 Apparatus for detecting abnormal variations of wheels of vehicle Syuzaburou Tashiro, Toshikazu Ina 1988-10-11
4756290 Drive circuit of electrostrictive element actuator in diesel engine fuel injection device Mitiyasu Moritugu, Yasuyuki Sakakibara, Seiko Abe 1988-07-12
4748954 Electrostrictive actuator device and fuel injection device using same Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Kiyonori Sekiguchi, Akihiro Izawa 1988-06-07
4739183 Local area network for vehicle Norihito Tokura 1988-04-19
4739483 Automatic transmission control system for an automobile Toshikazu Ina, Syuzaburo Tashiro, Hideki Obayashi, Tokio Kohama 1988-04-19
4702221 Ignition device for an internal combustion engine Norihito Tokura, Masahiro Goto, Seiji Morino, Masato Soumiya 1987-10-27
4693115 Device for measuring flow rate of air Norihito Tokura, Mitiyasu Moritugu 1987-09-15
4691286 Method and apparatus for detecting combustion variations in internal combustion engine Hideki Obayashi, Toshikazu Ina, Takashi Shigematsu, Setsuo Tokoro, Tokio Kohama 1987-09-01
4677378 Displacement sensor including a magnetically responsive member and a pair of piezoelectric elements Norihito Tokura 1987-06-30
4674467 Apparatus for controlling ignition in internal combustion engine Norihito Tokura, Masahiro Goto 1987-06-23
4647009 Electromagnetic rotary driving device Takaharu Idogaki, Kyo Hattori, Kazuhiro Sakurai 1987-03-03
4644212 Power supply for piezoelectric-element driving device Mitiyasu Moritugu, Norihito Tokura 1987-02-17
4644211 Electric rotary drive apparatus operable in a magnetic cylinder Takaharu Idogaki, Ikuo Hayashi 1987-02-17
4600871 Multi-directional drive type electromagnetic position control apparatus Takaharu Idogaki, Ikuo Hayashi 1986-07-15
4600867 Motor speed controlling device Ikuo Hayashi, Takaharu Idogaki 1986-07-15
4587843 Thermocouple-type gas-flow measuring apparatus Norihito Tokura, Kenji Kanehara, Tokio Kohama 1986-05-13
4584553 Coated layer type resistor device Norihito Tokura 1986-04-22
4572963 Apparatus for controlling a plurality of electrical devices Osamu Nakano, Toshikazu Ina 1986-02-25
4570594 Method for controlling internal combustion engine Tsuneyuki Egami, Tsutomu Saito 1986-02-18
4562818 Method and apparatus for controlling the air-fuel ratio in an internal combustion engine Tokio Kohama, Hideki Obayashi, Toshikazu Ina, Takashi Shigematsu, Setsuo Tokoro 1986-01-07
4562823 Ignition device for internal combustion engine Mitiyasu Moritugu, Norihito Tokura 1986-01-07
4561629 Solenoid valve Takaharu Idogaki, Ikuo Hayashi, Kyo Hattori, Kazuhiro Sakurai 1985-12-31