MA

Masahiko Asano

TO Toyota: 31 patents #512 of 26,838Top 2%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
HS Hitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
HC Hitachi Car Engineering Co.: 3 patents #152 of 465Top 35%
MI Mitsui Toatsu Chemicals, Incorporated: 2 patents #607 of 1,543Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Hitachinaka, JP: #58 of 2,447 inventorsTop 3%
Overall (All Time): #54,317 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
7418931 Electromagnetically driven valve Yutaka Sugie 2008-09-02
7387094 Electromagnetically driven valve Yutaka Sugie 2008-06-17
7370614 Electromagnetically driven valve Toshika Masaoka 2008-05-13
7353787 Electromagnetically driven valve Yutaka Sugie 2008-04-08
7303406 Device for controlling a vehicle Yasuo Akutsu, Shuji Eguchi, Kunito Nakatsuru, Kaoru Uchiyama 2007-12-04
7156366 Electromagnetically driven valve device Takeshi Sakuragi, Takashi Izuo, Kiyoharu Nakamura, Yutaka Sugie 2007-01-02
7018218 Device for controlling a vehicle Yasuo Akutsu, Shuji Eguchi, Kunito Nakatsuru, Kaoru Uchiyama 2006-03-28
6817324 Control unit of electromagnetically driven valve and control method thereof Takashi Izuo, Kiyoharu Nakamura, Takeshi Sakuragi 2004-11-16
6586105 Packaging structure and method for automotive components Shuji Eguchi, Mutsumi Watanabe, Kunito Nakatsuru, Hiroatsu Tokuda 2003-07-01
6482490 Printing sheet with base material, and method of manufacturing the same Tetsuro Hanahara, Kenji Inoue, Shinji Okuma, Yoshiharu Abe 2002-11-19
6477993 Control device for solenoid driving valve Shoji Katsumata, Toshio Fuwa, Keiji Yoeda, Isao Matsumoto, Takashi Izuo +4 more 2002-11-12
6374813 Valve during apparatus and method for internal combustion engine Tatsuo Iida, Takashi Izuo, Hiroyuki Hattori 2002-04-23
6336431 Valve driving apparatus provided in an internal combustion engine Tatsuo Iida, Takashi Izuo, Hiroyuki Hattori 2002-01-08
6334413 Electromagnetic actuating system Hiroyuki Hattori, Takashi Izuo, Tatsuo Iida, Shoichiro Nitta 2002-01-01
6298812 Valve driving apparatus provided in an internal combustion engine Takashi Izuo, Tatsuo Iida, Hiroyuki Hattori 2001-10-09
6283073 Solenoid-operated valve control apparatus for internal combustion engine Takashi Izuo, Tatsuo Iida, Hiroyuki Hattori 2001-09-04
6279523 Valve driving apparatus provided in an internal combustion engine Tatsuo Iida, Takashi Izuo, Hiroyuki Hattori 2001-08-28
6230674 Electromagnetically driven valve for an internal combustion engine Hiroyuki Hattori, Takashi Izuo, Tatsuo Iida, Yoshinori Kadowaki, Akihiro Yanai +1 more 2001-05-15
6170445 Electromagnetic actuating system of internal combustion engine Hiroyuki Hattori, Takashi Izuo, Tatsuo Iida 2001-01-09
6125803 Electromagnetically driven valve for an internal combustion engine Hiroyuki Hattori, Takashi Izuo, Tatsuo Iida, Yoshinori Kadowaki, Akihiro Yanai +1 more 2000-10-03
6089196 Cylinder head having a solenoid valve control device for operating a valve of an internal combustion engine Takashi Izuo, Tatsuo Iida 2000-07-18
6032925 Gel cushioned solenoid valve device Takashi Izuo, Shoichiro Nitta, Tatsuo Iida, Hiroyuki Hattori 2000-03-07
5803812 Flexible shaft structure for transmitting high torque Eisaku Kakiuchi, Tadao Ota, Yoshikazu Kameda 1998-09-08
5157097 Polyamide-imide resins and production thereof Hiroshi Takayanagi, Hirotoshi Katsuoka, Hiromi Nakano, Masumi Ookita, Akihiro Yamaguchi 1992-10-20
5132349 Preparation process of resin composition having phenolic hydroxyl groups Shigeru Iimuro, Toshimiki Shimizu 1992-07-21