Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7508408 | Image forming apparatus capable of effectively initializing a laser drive circuit | Yoshio Kanzaki, Katsuhiko Maeda, Shinya Tanaka | 2009-03-24 |
| 6501814 | Dry radioactive substance storage facility | Masashi Shimizu, Koichi Maki, Keiichiro Shibata, Masashi Oda, Naoki Kumagai | 2002-12-31 |
| 6430248 | Dry radioactive substance storage facility | Masashi Shimizu, Koichi Maki, Keiichiro Shibata, Masashi Oda, Naoki Kumagai | 2002-08-06 |
| 5753925 | Radioactive waste storage facility | Tsuneyasu Yamanaka, Masami Matsuda, Takao Ganda | 1998-05-19 |
| 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 |