Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6113667 | Brazing aluminum alloy powder composition and brazing method using such powder composition | Yasunori Hyogo, Ken Tohma | 2000-09-05 |
| 5907761 | Brazing composition, aluminum material provided with the brazing composition and heat exchanger | Ken Tohma, Hitoshi Saito | 1999-05-25 |
| 5820698 | Brazing composition, aluminum material provided with the brazing composition and heat exchanger | Ken Tohma, Hitoshi Saito | 1998-10-13 |
| 5656332 | Method of manufacturing a long continuous tube having a coating of brazing powders | Hitoshi Saito, Ken Tohma | 1997-08-12 |
| 5421516 | Method and apparatus for coating a solution containing brazing alloy powders and coating head for the curtain coater | Hitoshi Saitou, Ken Touma, Nobuo Hosokawa | 1995-06-06 |