TS

Toshitaka Senma

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Overall (All Time): #1,060,356 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5146240 Image forming apparatus with plural dot densities Takamasa Hayashi, Goro Mori, Shigeyuki Araki, Masahiro Yamamoto, Masaru Takahashi +2 more 1992-09-08
5144337 Image forming apparatus capable of forming an image by dots having various diameters Tomoatsu Imamura, Masumi Sato, Tomonori Tanaka, Takamasa Hayashi 1992-09-01
4975738 Method of forming an image on both sides of a sheet Mitsuo Tanaka 1990-12-04
4926433 Semiconductor laser unit Tomoatsu Imamura, Kazuyuki Shimada 1990-05-15
4856008 Semiconductor laser control apparatus Tomoatsu Imamura, Kazuyuki Shimada 1989-08-08