MM

Masashi Matsumoto

FI Fujifilm Business Innovation: 22 patents #50 of 1,659Top 4%
TO Toyota: 20 patents #1,142 of 26,838Top 5%
MC Mita Industrial Co.: 10 patents #123 of 891Top 15%
PL Pfu Limited: 8 patents #49 of 478Top 15%
Canon: 7 patents #7,830 of 19,416Top 45%
Nissan Motor Co.: 5 patents #1,472 of 8,689Top 20%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
TL Tokyo Electron Limited: 3 patents #2,069 of 5,567Top 40%
MH Mitsui High-Tec: 2 patents #53 of 174Top 35%
DE Denso: 2 patents #4,986 of 11,792Top 45%
TC Taiheiyo Cement: 1 patents #83 of 203Top 45%
Tdk: 1 patents #2,493 of 3,796Top 70%
YC Yanmar Holdings Co.: 1 patents #349 of 636Top 55%
YU Yokohama National University: 1 patents #11 of 55Top 20%
MC Mayekawa Mfg. Co.: 1 patents #126 of 273Top 50%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
MK Mitsubishi Kasei: 1 patents #404 of 911Top 45%
NC Nihon Ceratec Co.: 1 patents #2 of 27Top 8%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
SU Subaru: 1 patents #819 of 1,684Top 50%
📍 Toyota, OR: #1 of 2 inventorsTop 50%
Overall (All Time): #19,372 of 4,157,543Top 1%
86
Patents All Time

Issued Patents All Time

Showing 76–86 of 86 patents

Patent #TitleCo-InventorsDate
5534977 Image forming apparatus having a function to charge a photoreceptor drum at an appropriate potential Yasushi Saitoh, Takao Ichihashi, Shuji Yamada 1996-07-09
5469243 Image forming apparatus having a function to charge at a low main charging voltage Yasushi Saitoh, Takao Ichihashi, Shuji Yamada 1995-11-21
5427461 Serial printer with carriage position control Yuichi Hirai, Masashi Kamada, Noriyuki Suzuki 1995-06-27
5293206 Color image forming apparatus with optium operation of developing device positioning mechanism Takao Ichihashi, Syuji Yamada, Mayumi Uramoto, Yasuyuki Fukunaga 1994-03-08
5291484 Relay and exchange system for time division multiplex data Yoshihiro Tomita, Tatsuo Fujiwara, Hirotoshi Shimizu, Yasushi Fujioka 1994-03-01
5230043 Arrangement for diagnosing the cause of communication interruption between two CPUS Takao Ichihashi, Syuji Yamada 1993-07-20
5086317 Editing area setting method and editing area setting apparatus in an image forming apparatus Yoshio Sugishima 1992-02-04
5062897 Carbon fiber-reinforced hydraulic composite material Haruo Katsumata, Hiromichi Sakai, Keisuke Takahashi, Hirofumi Ootaguro, Moriyasu Nakamura +1 more 1991-11-05
4982242 Color image forming apparatus Yoshifumi Ishii, Masami Kai, Tetsuya Kagawa, Hideki Kita, Hiroyuki Deguchi +1 more 1991-01-01
4914475 Editing area setting method and editing area setting apparatus in an image forming apparatus Yoshio Sugishima 1990-04-03
4653230 Vehicle body structure Kiyokazu Seo, Kuniyoshi Furuhashi, Sadaaki Natori 1987-03-31