Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637528 | Bit apparatus | Akio Nishiyama, Osamu Nakamura, Kazutaka Kanda, Masahiro Arai | 2003-10-28 |
| 6336971 | Method and apparatus for producing silicon carbide single crystal | Nobuyuki Nagato, Isamu Yamamoto, Naoki Oyanagi, Shigehiro Nishino | 2002-01-08 |
| 5273618 | Apparatus for vapor-phase synthesis of diamond and method for vapor-phase synthesis of diamond | Yoichi Hirose | 1993-12-28 |
| 5268201 | Composite diamond grain and method for production thereof | Takashi Fujimaki, Masaaki Yanagisawa, Yoichi Hirose | 1993-12-07 |
| 5164051 | Method for vapor phase synthesis of diamond on electrochemically treated substrate | Masaaki Yanagisawa | 1992-11-17 |
| 5080975 | Composite diamond granules | Isamu Yamamoto, Takashi Fujimaki, Yoichi Hirose | 1992-01-14 |
| 5071708 | Composite diamond grain | Takashi Fujimaki, Masaaki Yanagisawa, Yoichi Hirose | 1991-12-10 |
| 4938940 | Vapor-phase method for synthesis of diamond | Yoichi Hirose | 1990-07-03 |