Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955526 | Vacuum generator with flow switching means for varying suction capacity through a plurality of nozzles | Toshimasa Kitahara, Suminori Masuzawa, Masataka Funahashi | 2005-10-18 |
| 5758905 | Tube joint | Tomio Hama | 1998-06-02 |
| 5692784 | Tubing joint | Tomio Hama | 1997-12-02 |
| 4747626 | Tubing joint | Tomio Hama | 1988-05-31 |
| 4619287 | Valves proper for valve-type fluid-flow controllers | Tomio Hama | 1986-10-28 |
| 4607662 | Three-way change-over valve | Tomio Hama | 1986-08-26 |
| 4593943 | Tubing joint | Tomio Hama | 1986-06-10 |