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 51–75 of 132 patents

Patent #TitleCo-InventorsDate
6462834 Image processing system which forms two-color images Masahito Yamamoto, Hideki Adachi, Yoshiyuki Suzuki, Kazuhiko Hirooka, Tetsuya Nozaki 2002-10-08
6445149 Vibrator controlling method and vibrator Atsushi Muramatsu 2002-09-03
6352249 Fluid-filled vibration damping device having pneumatically oscillated cylindrical member Atsushi Muramatsu 2002-03-05
6318410 Connecting structure Atsuo Miyajima, Minoru Kawasaki 2001-11-20
6269798 Arrangement for clamping injectors Kouichi Takahashi 2001-08-07
6264181 Pneumatically operated active vibration damping device having air chamber whose volume is controllable Atsushi Muramatsu 2001-07-24
6254069 Active vibration damping system having controller for generating pulse signal for oscillation of oscillating plate partially defining fluid chambers Atsushi Muramatsu, Yoshihiko Hagino 2001-07-03
6251258 Method and apparatus for removing toxic substances from waste marine products Masayuki Kojima, Toshiyuki Hishinuma, Hiroshi Asakura, Masataka Kasai 2001-06-26
6217225 Wheel supporting device and tapered roller bearing Yasuhiko Shimizu, Junichi Hattori, Takashi Tsujimoto 2001-04-17
6210458 Gas filter module having two-part filter and method of producing the same Toyohiko Shindo, Koichi Imura, Takafumi Imaizumi, Kazuyuki Ohshima, Takeshi Iwasaki 2001-04-03
6134023 Image forming apparatus which outputs a color image by separating color image information into at least two color components Tetsuya Nozaki, Hideki Adachi, Yoshiyuki Suzuki, Kazuhiko Hirooka, Masahito Yamamoto 2000-10-17
6101994 Cylinder block structure 2000-08-15
6082783 Hose connecting structure Minoru Kawasaki, Atsuo Miyajima 2000-07-04
5940192 Image processing apparatus Yoshinori Ikeda, Koichi Katoh, Mitsuru Kurita, Yasumichi Suzuki, Toshiyuki Kitamura 1999-08-17
5882048 Hose connecting structure Minoru Kawasaki, Atsuo Miyajima 1999-03-16
5848320 Copying apparatus capable of handling original having protruding portion Masatoshi Yaginuma, Shizuo Hasegawa, Hideaki Shimizu, Masao Watanabe, Hiroyuki Yaguchi +5 more 1998-12-08
5845974 Anti-skid control system for an automotive vehicle Masaru Kamikado, Tadashi Terazawa, Yasuhiro Abe 1998-12-08
5805738 Image processing apparatus and method Hiroshi Kaburagi, Shigeo Yamagata 1998-09-08
5777759 Image processing method and apparatus Hiroshi Kaburagi 1998-07-07
5774234 Image data processing apparatus Ryosuke Miyamoto, Hideaki Shimizu 1998-06-30
5760929 Image processing apparatus for processing discriminated color regions within specified boundaries Keizo Isemura 1998-06-02
5760930 Electrophotographic image forming apparatus with density regulating mechanism Nobumasa Fukuzawa, Tsuyoshi Kunishi 1998-06-02
5748773 Image processing apparatus Hirohiko Tashiro, Yoshiyuki Suzuki, Satoru Kutsuwada, Akio Itoh, Yoshinori Abe 1998-05-05
5734484 Image processing apparatus for receiving multicolor image information and generating two-color image information Masahito Yamamoto, Hideki Adachi, Yoshiyuki Suzuki, Kazuhiko Hirooka, Tetsuya Nozaki 1998-03-31
5726781 Image processing for converting color images into monochrome pattern images Keizo Isemura, Kunio Yoshihara, Masanori Sakai, Masatoshi Tanabe, Mitsuo Nimura +2 more 1998-03-10