Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5754580 | Carbon dioxide gas laser oscillation apparatus | Hiroyuki Kotani, Naoki Urai, Tetsuji Akaki | 1998-05-19 |
| 4311867 | Process for isomerizing hydrocarbons | Makoto Takagawa, Takehiko Takahashi | 1982-01-19 |
| 4311868 | Process for converting hydrocarbon | Takehiko Takahashi, Kazuo Takada, Toshio Hidaka, Makoto Takagawa | 1982-01-19 |