HI

Hiroyuki Ishizaki

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Shimano: 3 patents #327 of 759Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
Overall (All Time): #340,443 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12157538 Human-powered vehicle component and gear Tsuyoshi Kameda, Shinichiro Noda, Akihiro Izawa 2024-12-03
10890223 Disc brake caliper Takahiro TABATA, Takane Aoyama 2021-01-12
10648525 Cable adjuster 2020-05-12
7049885 Volume adjustment device, digital amplifier, and digital signal reproducing device 2006-05-23
7005585 Mounting board and electronic device using same 2006-02-28
6037705 Piezoelectric transformer including resilient adhesive support Kenji Kawabata, Tetsuo Tatsumi, Etsuo Nishikawa, Isamu Fujimoto 2000-03-14
5788229 Path guide for selectively corrugating an output medium Shinji Asami, Yoshiaki Ushirogata, Minoru Hattori, Terumitsu Azuma 1998-08-04
5655765 Paper path switching mechanism usable with a page inverter Shinzi Asami, Yoshiaki Ushirogata, Minoru Hattori, Terumitsu Azuma 1997-08-12
5570877 Paper turning device for an image forming apparatus Shinji Asami, Yoshiaki Ushirogata, Minoru Hattori, Terumitsu Azuma 1996-11-05
5521766 Method and apparatus for reproducing digital acoustic and video signals Hidenori Minoda 1996-05-28
5232210 Document feeding method for a recycling automatic document feeder Shirou Saeki 1993-08-03
5186446 Recycling automatic document feeder Shiro Saeki, Yukitaka Nakazato, Fumitaka Hyodou, Kunihiro Uotani 1993-02-16
4434441 Method for driving a charge injection device Yoshiki Tsujino, Masaji Dohi 1984-02-28
4426646 Self shift type gas discharge panel, driving system Hisashi Yamaguchi, Toyoshi Kawada, Hirofumi Kashiwara, Kenji Murase 1984-01-17