Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5472244 | Plastic coupling for plastic tubing | Hidenori Maeba, Takao Nakazawa | 1995-12-05 |
| 4980017 | Method for recirculating high-temperature etching solution | Toshimitsu Kaji, Tadao Takeuchi, Tsutomu Kawashima, Eiichi Miyakoshi, Yasuya Hisatome | 1990-12-25 |