Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492633 | Water treatment process with ozone | Takeo Moniwa, Mitsumasa Okada, Nobuyuki Motoyama, Yasuji Shimizu, Ryutaro Takahashi | 1996-02-20 |
| 4877558 | Method of treating radioactive ion-exchange resins by oxidative decomposition | Nobuyuki Motoyama, Hiroshi Hoshikawa, Takeo Takahashi, Sizuo Suzuki, Tuyoshi Ishikawa +2 more | 1989-10-31 |