Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4785092 | Aluminum brazing material for use in aluminum heat exchanger | Keizo Nanba, Michiki Hagiwara, Tetsuo Abiko | 1988-11-15 |
| 4781888 | Aluminum brazing material for use in aluminum heat exchanger | Michiki Hagiwara, Keizo Nanba, Tetsuo Abiko | 1988-11-01 |
| 4673551 | Fin stock material for use in plate fin heat exchanger adapted for superhigh pressure service | Yoshihiko Sugiyama, Keizo Nanba, Michiki Hagiwara, Takeshi Aoki, Tetsuo Abiko | 1987-06-16 |
| 4636356 | Aluminum brazing alloy | Tetsuo Abiko, Michiki Hagiwara, Keizo Nanba | 1987-01-13 |
| 4626295 | Method of producing aluminum alloy structures | Kantaro Sasaki, Tetsuo Abiko, Yoshio Baba, Michiki Hagiwara, Keizo Nanba | 1986-12-02 |