Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8142904 | Copper based sintered slide member | Shoichiro Iwahashi, Kazuo Kato, Takashi Kikkawa | 2012-03-27 |
| 5069874 | Method for reducing high-load, low-speed wear resistance in sliding members | Takashi Kikkawa, Hirotaka Toshima | 1991-12-03 |
| 5000915 | Wear-resistant copper alloy | Takashi Kikkawa, Hirotaka Toshima | 1991-03-19 |
| 4994235 | Wear-resistance aluminum bronze alloy | Takashi Kikkawa, Hirotaka Toshima | 1991-02-19 |