Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560785 | Method for forming a protective chemical layer on copper and copper alloy surfaces | Hirohiko Hirao, Yoshimasa Kikukawa, Toshihiro Okamoto, Takayuki Murai, Miya Tanioka +2 more | 1996-10-01 |
| 5498301 | Agent for treating surfaces of copper and copper alloys | Hirohiko Hirao, Yoshimasa Kikukawa, Toshihiro Okamoto, Takayuki Murai, Miya Tanioka +2 more | 1996-03-12 |
| 5064631 | Process for preparation of aluminum borate whisker | Hajime Hata, Hajime Kambara, Keizo Oka | 1991-11-12 |
| 5061468 | Process for preparation of aluminum borate whisker | Hajime Hata, Keizo Oka | 1991-10-29 |
| 5013523 | Metal-based composite material and process for preparation thereof | Hajime Hata, Takao Kitamura, Kohji Sakane, Hideo Wada | 1991-05-07 |