TM

Takashi Mama

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
Overall (All Time): #390,471 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
5852499 Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper Kan Tomita, Nobuo Sakuma 1998-12-22
5803622 Image forming device having convenient access to serviceable components Takeshi Yamakawa 1998-09-08
5729349 Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper Kan Tomita, Nobuo Sakuma 1998-03-17
5729353 Method and device for correcting a position for writing an image on a transport belt Noboru Sawayama 1998-03-17
5627649 Method and device for correcting a position for writing an image Noboru Sawayama 1997-05-06
5610651 Image forming apparatus with frequency corrector Takeshi Yamakawa, Kenichi Ono, Norio Michiie 1997-03-11
5587813 Data transfer device for an image forming apparatus Shuichi Yamazaki, Nobuyuki Sato, Takeshi Yamakawa, Shinji Kobayashi, Yoshio Kaneko +1 more 1996-12-24
5376994 Compact BI-color electrophotographic image forming apparatus Yuji Yasuda, Kan Tomita, Fumihiro Miyagawa, Shinji Kobayashi, Takanobu Fujioka +2 more 1994-12-27
5309182 Bicolor image forming apparatus for forming a bicolor image on a photoconductive element Yuji Yasuda, Kan Tomita, Fumihiro Miyagawa, Shinji Kobayashi, Takanobu Fujioka +2 more 1994-05-03
5084715 Light beam scanning apparatus 1992-01-28
4933549 Light beam scanning apparatus Takanobu Fujioka, Yoshio Kaneko, Kenichirou Asada 1990-06-12
4914459 Image forming apparatus Kenichirou Asada, Takanobu Fujioka, Yoshio Kaneko, Masaaki Kogure 1990-04-03
4796265 Imaging using collectively controlled multiple beams Kenichiro Asada, Takanobu Fujioka 1989-01-03