Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353737 | Method for forming boron-doped semiconducting diamond films | Hisashi Koyama, Koichi Miyata | 1994-10-11 |
| 5352908 | Diamond Schottky diode with oxygen | Koichi Miyata, Kozo Nishimura | 1994-10-04 |
| 5309000 | Diamond films with heat-resisting ohmic electrodes | Kimitsugu Saito, Kozo Nishimura, Koichi Miyata | 1994-05-03 |
| 5304461 | Process for the selective deposition of thin diamond film by gas phase synthesis | Takayoshi INOUE, Hiroyuki Tachibana, Akimitsu Nakaue, Kazuo Kumagai, Koichi Miyata | 1994-04-19 |
| 5298766 | Diamond heterojunction diode | Kozo Nishimura, Shigeaki Miyauchi, Kazuo Kumagai, Rie Katoh | 1994-03-29 |
| 5173761 | Semiconducting polycrystalline diamond electronic devices employing an insulating diamond layer | David L. Dreifus, Kumar Das, Koichi Miyata | 1992-12-22 |
| 5160405 | Method of etching diamond thin films | Shigeaki Miyauchi, Koichi Miyata, Kazuo Kumagai | 1992-11-03 |
| 5107315 | MIS type diamond field-effect transistor with a diamond insulator undercoat | Kazuo Kumagai, Koichi Miyata, Shigeaki Miyauchi, Yuichi Matsui | 1992-04-21 |
| 5086014 | Schottky diode manufacturing process employing the synthesis of a polycrystalline diamond thin film | Koichi Miyata, Kazuo Kumagai, Yuichi Matsui, Akimitsu Nakaue | 1992-02-04 |
| 5066938 | Diamond film thermistor | Koichi Miyata, Kazuo Kumagai, Takayoshi INOUE, Hiroyuki Tachibana, Akimitsu Nakaue | 1991-11-19 |
| 4940015 | Plasma reactor for diamond synthesis | Kozo Nishimura, Koichi Miyata, Yoshio Kawate, Kazuo Kumagai, Norio Suzuki +2 more | 1990-07-10 |