Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676905 | Fluid separation method and apparatus | Naoyuki Mitani, Teruyuki Nakagawa | 1987-06-30 |
| 4296953 | Slipping-off preventing pipe joint | Yoshinobu Ohashi, Yuichi Watanabe, Yoshikazu Wakushima | 1981-10-27 |
| 4205424 | Method of fitting sealing member into frictionally engaging tubular connector | Yoshinobu Ohashi, Yuichi Watanabe | 1980-06-03 |