Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D989914 | Mixing nozzle | Shohei Koyama | 2023-06-20 |
| 9452482 | Electrical discharge machine | — | 2016-09-27 |
| 4680552 | Apparatus for measuring impurities in super-pure water without exposure to surrounding atmosphere | Kozo Shirato, Kazuo Hiraizumi, Kazuyasu Kawashima, Shinya Okuyama, Masashi Kobayashi +5 more | 1987-07-14 |
| 4588134 | Method of treating pollen for pulverization thereof and extraction of essence therefrom | Shinichi Shimizu, Tetuo Rikiishi | 1986-05-13 |