Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989831 | Coupling device | Noboru Ootsuki, Katsumi Tomioka, Kouzou Miura | 1991-02-05 |
| 4967999 | Flow passage coupling unit | Noboru Otsuki, Katsumi Tomioka, Kozo Miura | 1990-11-06 |
| 4962881 | Flow passage coupling unit | Noboru Otsuki, Katsumi Tomioka, Kozo Miura | 1990-10-16 |
| 4955122 | Lock unit for a fluid coupling apparatus | Noboru Ootsuki, Katsumi Tomioka | 1990-09-11 |