Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977556 | Packet switching system for a distributed processing | — | 1990-12-11 |
| 4183807 | Treatment of waste water rich in nutrients | Kiyoshi Yoshizawa, Kikuo Nojiro, Katsuyoshi Mitsutomi, Hiroshi Hashimoto, Kazuo Tanno | 1980-01-15 |