Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967025 | Purification method of carbon fluorides | Satoshi Koyama, Kazuo Okamura | 1990-10-30 |
| 4770959 | Lithium-fluorinated graphite cell | Satoshi Koyama, Kazuo Okamura | 1988-09-13 |
| 4684591 | Active materials for batteries | Kazuo Okamura, Satoshi Koyama, Tutomu Kamihigoshi | 1987-08-04 |
| 4447663 | Process for continuous fluorination of carbon | Toru Akiyama, Tsutomu Kamihigoshi, Shoji Takagi | 1984-05-08 |
| 4348363 | Apparatus for solid gas reaction | Toru Akiyama, Tsutomu Kamihigoshi, Shoji Takagi | 1982-09-07 |