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 101–125 of 132 patents

Patent #TitleCo-InventorsDate
5311336 Color-converting an outline or other portion, with or without spreading of the portion Mitsuru Kurita, Yoshinori Ikeda, Yasumichi Suzuki, Koichi Katoh 1994-05-10
5283657 Recording device for recording a half-tone image using a plurality of recording elements for the same color Nobuyuki Watanabe 1994-02-01
5280432 Anti-skid brake control system based on acceleration detection Kazutaka Kuwana, Kuniaki Okamoto, Tsuyoshi Yoshida, Masaru Kamikado, Nobuyasu Nakanishi +2 more 1994-01-18
5267162 Anti-skid control system for an automotive vehicle Kazutaka Kuwana, Kuniaki Okamoto, Tsuyoshi Yoshida, Masaru Kamikado, Nobuyasu Nakanishi +2 more 1993-11-30
5267031 Color image processing apparatus Koichi Katoh, Yoshinori Ikeda, Mitsuru Kurita 1993-11-30
5253048 Color image processing apparatus Tetsuzo Mori, Takashi Sugino, Makoto Takaoka, Susumu Sugiura 1993-10-12
5239383 Image processing apparatus capable of image editing Yoshinori Ikeda, Mitsuru Kurita, Kimiyoshi Hayashi, Toshio Honma, Yoshiko Horie 1993-08-24
5236255 Anti-skid control system having dual pressure increase modes Kazutaka Kuwana, Kuniaki Okamoto, Tsuyoshi Yoshida, Masaru Kamikado, Satoshi Itabashi 1993-08-17
5220506 Anti-skid control system for an automotive vehicle that includes an arrangement for varying the braking pressure and the braking pressure hold time Kazutaka Kuwana, Tsuyoshi Yoshida, Kenji Tozu 1993-06-15
5214642 ATM switching system and adaptation processing apparatus Masao Kunimoto, Jiro Kashio, Kenji Kawakita, Shinobu Gohara, Shinichi Iwaki 1993-05-25
5210693 Anti-skid control system Kazutaka Kuwana, Kuniaki Okamoto, Tsuyoshi Yoshida, Masaru Kamikado, Nobuyasu Nakanishi +2 more 1993-05-11
5206719 Image processing apparatus including means for extracting an outline Yoshinori Ikeda, Mitsuru Kurita, Yasumichi Suzuki, Toshiyuki Kitamura 1993-04-27
5176430 Anti-skid control system for an automotive vehicle Kazutaka Kuwana, Tsuyoshi Yoshida, Kenji Tozu 1993-01-05
5150952 Anti-skid control system for an automotive vehicle Kazutaka Kuwana, Tsuyoshi Yoshida, Kenji Tozu 1992-09-29
5138443 Image processing apparatus having means for synthesizing binarized image data Yoshinori Ikeda, Mitsuru Kurita 1992-08-11
5119185 Image processing apparatus including a minimum value signal detector unit Yoshinori Ikeda, Mitsuru Kurita, Kimiyoshi Hayashi, Toshio Honma, Yoshiko Horie 1992-06-02
5116109 Anti-skid control system for an automotive vehicle Kazutaka Kuwana, Tsuyoshi Yoshida, Masaru Kamikado, Kuniaki Okamoto, Satoshi Itabashi 1992-05-26
5117284 Color image processing apparatus Tetsuzo Mori, Takashi Sugino, Makoto Takaoka, Susumu Sugiura 1992-05-26
5113252 Image processing apparatus including means for performing electrical thinning and fattening processing Yoshiko Horie, Yoshinori Ikeda, Mitsuru Kurita, Kimiyoshi Hayashi, Toshio Honma 1992-05-12
5064253 Anti-skid controlling apparatus Kazutaka Kuwana, Tsuyoshi Yoshida, Kenji Tozu 1991-11-12
5060059 Color image processing apparatus for converting color-sequential image data into color-parallel image data Tetsuzo Mori, Takashi Sugino, Makoto Takaoka, Susumu Sugiura 1991-10-22
5056354 Road condition monitoring system Kazutaka Kuwana, Kuniaki Okamoto, Tsuyoshi Yoshida, Masaru Kamikado, Nobuyasu Nakanishi +2 more 1991-10-15
5046787 Anti-skid control system Kazutaka Kuwana, Kuniaki Okamoto, Tsuyoshi Yoshida, Masaru Kamikado, Nobuyasu Nakanishi +2 more 1991-09-10
5038208 Image forming apparatus with a function for correcting recording density uneveness Nobuyuki Watanabe 1991-08-06
5034806 Image processing apparatus and method Yoshinori Ikeda, Koichi Katoh, Mitsuru Kurita 1991-07-23