Issued Patents All Time
Showing 26–50 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670796 | Semiconductor device consisting of a semiconductor material having a deep impurity level | Yoshiki Nishibayashi, Shin-ichi Shikata, Takeshi Kobayashi | 1997-09-23 |
| 5657365 | X-ray generation apparatus | Yoshiyuki Yamamoto, Keiichiro Tanabe, Nobuhiro Ota | 1997-08-12 |
| 5642779 | Heat sink and a process for the production of the same | Yoshiyuki Yamamoto, Takashi Tsuno, Takahiro Imai | 1997-07-01 |
| 5624719 | Process for synthesizing diamond in a vapor phase | Keiichiro Tanabe, Takahiro Imai | 1997-04-29 |
| 5587013 | Methods of synthesizing and polishing a flat diamond film and free-standing diamond film | Akihiko Ikegaya, Keiichiro Tanabe | 1996-12-24 |
| 5584045 | Polycrystalline diamond tool and method for producing same | Keiichiro Tanabe | 1996-12-10 |
| 5571603 | Aluminum nitride film substrate and process for producing same | Yoshiharu Utumi, Takahiro Imai | 1996-11-05 |
| 5567522 | Diamond cutting tool and method of manufacturing the same | Keiichiro Tanabe, Akihiko Ikegaya, Toshiya Takahashi | 1996-10-22 |
| 5556464 | Vibration plate of a speaker and method for producing same | Keiichiro Tanabe | 1996-09-17 |
| 5539176 | Method and apparatus of synthesizing diamond in vapor phase | Akihiko Ikegaya | 1996-07-23 |
| 5516027 | Bonding tool having a diamond head and method of manufacturing the same | Keiichiro Tanabe, Toshiya Takahashi, Akihiko Ikegaya | 1996-05-14 |
| 5499601 | Method for vapor phase synthesis of diamond | Takahiro Imai, Takashi Tsuno, Yoshiyuki Yamamoto | 1996-03-19 |
| 5500393 | Method for fabricating a schottky junction | Yoshiki Nishibayashi, Hiromu Shiomi | 1996-03-19 |
| 5483038 | Method of working diamond with ultraviolet light | Nobuhiro Ota, Katsuko Harano | 1996-01-09 |
| 5481081 | Method and apparatus of synthesizing diamond in vapor phaase | Akihiko Ikegaya | 1996-01-02 |
| 5474021 | Epitaxial growth of diamond from vapor phase | Takashi Tsuno, Takahiro Imai | 1995-12-12 |
| 5463901 | Stacked piezoelectric surface acoustic wave device with a boron nitride layer in the stack | Akihiro Hachigo, Hideaki Nakahata, Shinichi Shikata | 1995-11-07 |
| 5450434 | Method to work cubic boron nitride article | Nobuhiro Ota | 1995-09-12 |
| 5435815 | Cutting tool employing vapor-deposited polycrystalline diamond for cutting edge and method of manufacturing the same | Akihiko Ikegaya, Keiichiro Tanabe, Toshiya Takahashi | 1995-07-25 |
| 5436036 | Method of synthesizing hard material | Hiromu Shiomi, Nobuhiro Ota, Takahiro Imai | 1995-07-25 |
| 5432004 | Vibration plate of a speaker and method for producing same | Keiichiro Tanabe | 1995-07-11 |
| 5420879 | Solid state laser | Hiroshi Kawarada, Takahiro Imai, Yoshiki Nishibayashi | 1995-05-30 |
| 5417798 | Etching method | Yoshiki Nishibayashi | 1995-05-23 |
| 5401715 | Semiconductor substrate having a superconducting thin film | Hideo Itozaki, Keizo Harada, Shuji Yazu, Tetsuji Jodai | 1995-03-28 |
| 5401544 | Method for manufacturing a surface acoustic wave device | Hideaki Nakahata, Shinichi Shikata, Akihiro Hachigo | 1995-03-28 |