Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581907 | Pipe coupling | Tetsuya Kuwabara | 2003-06-24 |
| 6047995 | Pipe connector | — | 2000-04-11 |
| 5984266 | Coupling for a spray apparatus | — | 1999-11-16 |
| 5261707 | Joint for connection of a corrugated pipe | Takeya Sasa, Reichi Makishima, Yoshikazu Kobayashi | 1993-11-16 |
| D332307 | Coupling for a tank | — | 1993-01-05 |
| D329495 | Coupling for a medical agent tank | — | 1992-09-15 |
| 5090747 | Coupling socket | — | 1992-02-25 |
| 4988129 | Fluid pipe coupling | Noboru Saito, Haruo Kubo, Makoto Nagumo | 1991-01-29 |
| D313067 | Quick release coupling | Toshio Mikiya | 1990-12-18 |
| 4951710 | Pipe coupling | — | 1990-08-28 |
| 4918969 | Forging method for a hollow article | Hirosato Takeuchi, Yutaka Tanaka, Osahiko Miyazaki, Noboru Saito, Haruo Kubo +1 more | 1990-04-24 |
| 4733692 | Tube coupling | Toshio Mikiya | 1988-03-29 |