Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12386259 | Negative-type photosensitive resin composition and method for producing polyimide and cured relief pattern using same | Tatsuya Hirata, Kohei Murakami | 2025-08-12 |
| 5376994 | Compact BI-color electrophotographic image forming apparatus | Takashi Mama, Yuji Yasuda, Kan Tomita, Fumihiro Miyagawa, Shinji Kobayashi +2 more | 1994-12-27 |
| 5309182 | Bicolor image forming apparatus for forming a bicolor image on a photoconductive element | Takashi Mama, Yuji Yasuda, Kan Tomita, Fumihiro Miyagawa, Shinji Kobayashi +2 more | 1994-05-03 |
| 5231516 | Folding-order image forming apparatus | Kouichi Kamon, Hiroyuki Kawamoto, Wataru Nara, Norifumi Ito | 1993-07-27 |
| 4951160 | Image reproducing apparatus | Yasumori Nagahara, Kenichirou Asada, Yoshiaki Kanmoto, Mitsuo Hasebe, Kiyoto Nagasawa +2 more | 1990-08-21 |
| 4933549 | Light beam scanning apparatus | Takashi Mama, Yoshio Kaneko, Kenichirou Asada | 1990-06-12 |
| 4914459 | Image forming apparatus | Takashi Mama, Kenichirou Asada, Yoshio Kaneko, Masaaki Kogure | 1990-04-03 |
| 4796265 | Imaging using collectively controlled multiple beams | Kenichiro Asada, Takashi Mama | 1989-01-03 |