Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5093510 | Process for producing copper formate | Takamasa Kawakami, Ryuji Fujiura, Rieko Nakano | 1992-03-03 |
| 4913938 | Method for producing copper film-formed articles | Takamasa Kawakami, Ryuji Fujira | 1990-04-03 |
| 4800182 | Silicon nitride-silicon carbide composite material and process for production thereof | Kansei Izaki, Takamasa Kawakami, Kouichi Hakkei | 1989-01-24 |
| 4720639 | Switch device for starter of internal combustion engine | Morikazu Sakayanagi, Youichi Hasegawa | 1988-01-19 |