Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378428 | Method of preserving article with an oxygen absorbent composition | Yoshiaki Inoue, Shigeru Murabayashi, Kazuo Fujinami, Isamu Yoshino, Takamasa Kawakami +1 more | 1995-01-03 |
| 5250101 | Process for the production of fine powder | Toshio Hidaka, Takamasa Kawakami | 1993-10-05 |
| 5094686 | Process for producing copper fine powder | Takamasa Kawakami, Kazuhiro Ando, Rieko Nakano | 1992-03-10 |