HM

Hiroyuki Matsushiro

Ricoh Company: 11 patents #2,054 of 9,818Top 25%
NI Nikon: 4 patents #874 of 2,493Top 40%
Overall (All Time): #328,293 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6163669 Image forming apparatus Katsuhiro Aoki, Takashi Hodoshima, Junichi Matsumoto 2000-12-19
5887228 Color image forming apparatus including process cartridge Takeshi Motohashi, Tsuyoshi Deki, Noriyuki Kimura, Hiroyuki Goto 1999-03-23
5797069 Developing device for image forming apparatus Noriyuki Kimura, Tsuyoshi Deki, Takeshi Motohashi 1998-08-18
5671465 Image forming apparatus having a revolver type developing device Noriyuki Kimura, Minoru Suzuki, Kouji Sakamoto, Kouichi Noguchi, Tsuyoshi Deki +3 more 1997-09-23
5655193 Developing device for image forming apparatus with toner recirculation operation Takatsugu Fujishiro, Minoru Suzuki, Noriyuki Kimura, Katsuhiro Aoki, Chiyako Kobayashi 1997-08-05
5565973 Rotary developing device for an image forming apparatus Takatsugu Fujishiro, Noriyuki Kimura, Katsuhiro Aoki, Yuichi Ueno, Chiyako Kobayashi +2 more 1996-10-15
5515145 Color image forming apparatus having integral multiple length belt Eiichi Sasaki, Koichi Noguchi, Minoru Suzuki, Koji Sakamoto, Tsuyoshi Deki +3 more 1996-05-07
5508517 Scanning probe type microscope apparatus Tetsuji Onuki, Masatoshi Suzuki, Toru Fujii, Hideaki Ohkubo 1996-04-16
5440373 Color image forming apparatus Tsuyoshi Deki, Minoru Suzuki, Koji Sakamoto, Koichi Noguchi, Eiichi Sasaki +3 more 1995-08-08
5360977 Compound type microscope Tetsuji Onuki, Masatoshi Suzuki 1994-11-01
5317153 Scanning probe microscope Tetsuji Onuki, Masaya Miyazaki, Yasushi Fukutomi 1994-05-31
5276324 Composite scanning tunneling microscope Tatsuro Ohtaki, Hideaki Ohkubo 1994-01-04
4835565 Image developing device for electrophotography Shinzi Nagatsuna, Toshihiko Takaya, Kinzi Saito, Michihito Ohashi 1989-05-30
4755847 Electrostatic latent image developing apparatus Toshio Kaneko, Fuchio Takeda, Yoshihiro Ogata, Toshihiko Takaya, Atsushi Shinozaki 1988-07-05
4710015 Developing apparatus Fuchio Takeda, Kazuo Kobayashi, Toshio Kaneko 1987-12-01