Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906306 | Amorphous metal-metal composite article, a method for producing the same, and a torque sensor using the same | Yutaka Kuroyama, Yukihisa Takeuchi, Makoto Takagi, Yoshihito Kawamura, Toru Imura | 1990-03-06 |
| 4857414 | Amorphous metal-metal composite article and a method for producing the same | Yutaka Kuroyama, Yukihisa Takeuchi, Makoto Takagi, Yoshihito Kawamura, Toru Imura | 1989-08-15 |
| 4837089 | High hardness composite sintered compact | Yutaka Kuroyama | 1989-06-06 |
| 4788166 | High-hardness sintered article and method for manufacture thereof | Yutaka Kuroyama | 1988-11-29 |
| 4713871 | Method for producing amorphous alloy shaped articles | Yutaka Kuroyama, Yukihisa Takeuchi, Makoto Takagi, Toru Imura | 1987-12-22 |
| 4671710 | Drill bit | — | 1987-06-09 |
| 4578260 | Method for purifying diamond | Yutaka Kuroyama | 1986-03-25 |
| 4566905 | High density boron nitride-containing sintered body for cutting tool and a method of producing the same | Tamotsu Akashi | 1986-01-28 |
| 4437800 | Cutting tool | Yukio Tanaka | 1984-03-20 |
| 4394170 | Composite sintered compact containing high density boron nitride and a method of producing the same | Akira Sawaoka, Shinroku Saito, Tamotsu Akashi | 1983-07-19 |