HI

Hiroyuki Ichikawa

Canon: 47 patents #820 of 19,416Top 5%
TI Tokai Rubber Industries: 25 patents #9 of 557Top 2%
Aisin Seiki Kabushiki Kaisha: 22 patents #77 of 3,782Top 3%
SL Sumitomo Riko Company Limited: 9 patents #10 of 446Top 3%
TO Toyota: 7 patents #4,145 of 26,838Top 20%
Nissan Motor Co.: 5 patents #1,472 of 8,689Top 20%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
SC Sanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
SC Sanyo Optec Design Co.: 4 patents #6 of 42Top 15%
AK Aisin Seiki K.K.: 3 patents #6 of 97Top 7%
IL Isuzu Motors Limited: 3 patents #175 of 908Top 20%
DE Denso: 3 patents #3,857 of 11,792Top 35%
NL Nippon Sheet Glass Company, Limited: 2 patents #332 of 836Top 40%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SO Sony: 2 patents #12,963 of 25,231Top 55%
NT NTT: 2 patents #2,095 of 4,871Top 45%
NT Ntn: 1 patents #814 of 1,364Top 60%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
TC Toshiba Ceramics Co.: 1 patents #190 of 458Top 45%
HC Hitachi Plant Engineering & Construction Co.: 1 patents #53 of 194Top 30%
Overall (All Time): #8,172 of 4,157,543Top 1%
132
Patents All Time

Issued Patents All Time

Showing 26–50 of 132 patents

Patent #TitleCo-InventorsDate
7713805 Method of manufacturing silicon carbide semiconductor device Hiroki Nakamura, Eiichi Okuno 2010-05-11
7706924 Vibration controller for active vibration insulators and method for controlling vibrations for the same Atsushi Muramatsu, Takayoshi Yasuda 2010-04-27
7645658 Method of manufacturing silicon carbide semiconductor device Hiroki Nakamura, Eiichi Okuno 2010-01-12
7596162 Method for forming a coating film on a facet of a semiconductor laser diode Chie Fukuda 2009-09-29
7587406 Information processor, information processing method, program and recording medium Mitsuru Katsumata, Ichiro Sato, Haruki Hayakawa 2009-09-08
7549176 Recording medium, information playback apparatus and method, and information recording and playback apparatus Munetake Ebihara, Takamichi Hayashi, Mitsuru Katsumata 2009-06-16
7409268 Method for actuating active vibration insulators Takayoshi Yasuda 2008-08-05
7403367 Active vibration insulator Takayoshi Yasuda, Hideki Oshima, Daichi Mizushima, Takehiko Fushimi, Kenichi Sato 2008-07-22
7281522 Acceleration sensor status detecting apparatus Kenichi Sato, Kentaro Hirose 2007-10-16
7276823 Active vibration damping device Yoshinori Watanabe 2007-10-02
7209338 Active vibration insulator Takehiko Fushimi 2007-04-24
7147946 Fuel cell system Emi Kawasumi, Yasukazu Iwasaki 2006-12-12
7097168 Pneumatically operated fluid filled engine mount Syouji Akasa, Masaaki Hamada, Yuichi Ogawa 2006-08-29
7025341 Pneumatically operated fluid filled engine mount for vehicles Syouji Akasa, Masaaki Hamada 2006-04-11
7010420 Vibration controller for active vibration insulators and method for controlling vibrations for the same Atsushi Muramatsu, Takayoshi Yasuda 2006-03-07
6994931 Fuel cell power plant for mobile unit Yasukazu Iwasaki 2006-02-07
6950727 Vibration controller for active vibration insulators and method for controlling vibrations of the same 2005-09-27
6907969 Active type dynamic damper Atsushi Muramatsu 2005-06-21
6808168 Fluid-filled active vibration damping device Atsushi Muramatsu 2004-10-26
6786942 Fuel reforming system and stopping method thereof 2004-09-07
6767518 Reforming apparatus Fuminori Yamanashi, Masakazu Hanawa 2004-07-27
6678177 Driving method of a bridge circuit for driving an inductance load Kenji Asano, Takehiko Fushimi 2004-01-13
6659436 Pneumatically operated active vibration damping device and vibration damping apparatus using the same Atsushi Muramatsu, Syouji Akasa 2003-12-09
6526940 Multiple intake valve engine 2003-03-04
6473204 Image processing apparatus capable of selecting a non-rectangular area Yasumichi Suzuki, Yoshinori Ikeda, Mitsuru Kurita, Toshiyuki Kitamura 2002-10-29