Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941956 | Method of enriching the isotope carbon 13 by means of laser irradiation | Shigeyoshi Arai, Kyoko Sugita, Hayato Kaetsu | 1990-07-17 |
| 4824537 | Working substances used in laser isotope separation and method of laser isotope separation | Shigeyoshi Arai, Masatsugu Kamioka, Yo-ichi Ishikawa, Kyoko Sugita, Takao Oshima +1 more | 1989-04-25 |
| 4314972 | Multi-stage hydrogen water isotopic exchange column | Ryohei Nakane, Masami Shimizu | 1982-02-09 |
| 4259209 | Catalyst for concentrating hydrogen isotopes and process for producing a support therefor | Ryohei Nakane, Koichi Okita, Eiji Kamijo, Tatsuya Nishimoto | 1981-03-31 |