Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833506 | Method and apparatus for controlling toner density of copying device | Hiroshi Kuru | 1989-05-23 |
| 4801980 | Toner density control apparatus | Hiroshi Kuru | 1989-01-31 |
| 4663021 | Process of producing carbonaceous pitch | Takao Nakagawa, Fumio Mogi, Noriaki Oshiguri | 1987-05-05 |
| 4591424 | Method of preparing carbonaceous pitch | Shimpei Gomi, Fumio Mogi, Takao Nakagawa, Kunio Miura, Sugio Otani | 1986-05-27 |
| 4554148 | Process for the preparation of carbon fibers | Shimpei Gomi, Fumio Mogi, Kunio Miura, Sugio Otani | 1985-11-19 |
| 4487686 | Process of thermally cracking heavy hydrocarbon oils | Shimpei Gomi, Tomomitsu Takeuchi, Shigeru Miwa, Toru Takatsuka, Ryuzo Watari | 1984-12-11 |
| 4473221 | Paper feeding roller | — | 1984-09-25 |
| 4361397 | Cleaning apparatus for an electrostatic recording machine | Hiroshi Katakura | 1982-11-30 |