Issued Patents All Time
Showing 151–175 of 192 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5439843 | Method for preparing a semiconductor substrate using porous silicon | Kiyofumi Sakaguchi, Mamoru Miyawaki | 1995-08-08 |
| 5425808 | Process for selective formation of III-IV group compound film | Hiroyuki Tokunaga | 1995-06-20 |
| 5423286 | Method for forming crystal and crystal article | — | 1995-06-13 |
| 5422302 | Method for producing a three-dimensional semiconductor device | Masaharu Ozaki | 1995-06-06 |
| 5405802 | Process of fabricating a semiconductor substrate | Kenji Yamagata | 1995-04-11 |
| 5403771 | Process for producing a solar cell by means of epitaxial growth process | Shoji Nishida | 1995-04-04 |
| 5393646 | Method for selective formation of a deposited film | — | 1995-02-28 |
| 5374581 | Method for preparing semiconductor member | Takeshi Ichikawa, Kiyofumi Sakaguchi | 1994-12-20 |
| 5371037 | Semiconductor member and process for preparing semiconductor member | — | 1994-12-06 |
| 5363799 | Method for growth of crystal | Yuji Nishigaki, Kenji Yamagata | 1994-11-15 |
| 5361015 | Electron emission element | Masahiko Okunuki, Akira Suzuki, Isamu Shimoda, Tetsuya Kaneko, Takeo Tsukamoto +2 more | 1994-11-01 |
| 5342792 | Method of manufacturing semiconductor memory element | — | 1994-08-30 |
| 5334864 | Process for selective formation of II-VI group compound film | Hiroyuki Tokunaga | 1994-08-02 |
| 5324536 | Method of forming a multilayered structure | — | 1994-06-28 |
| 5312771 | Optical annealing method for semiconductor layer and method for producing semiconductor device employing the same semiconductor layer | — | 1994-05-17 |
| 5304820 | Process for producing compound semiconductor and semiconductor device using compound semiconductor obtained by same | Hiroyuki Tokunaga, Kenji Yamagata | 1994-04-19 |
| 5290712 | Process for forming crystalline semiconductor film | Nobuhiko Sato, Hideya Kumomi | 1994-03-01 |
| 5281283 | Group III-V compound crystal article using selective epitaxial growth | Hiroyuki Tokunaga | 1994-01-25 |
| 5278093 | Method for forming semiconductor thin film | — | 1994-01-11 |
| 5277748 | Semiconductor device substrate and process for preparing the same | Kiyofumi Sakaguchi | 1994-01-11 |
| 5258322 | Method of producing semiconductor substrate | Kiyofumi Sakaguchi | 1993-11-02 |
| 5254211 | Method for forming crystals | — | 1993-10-19 |
| 5250460 | Method of producing semiconductor substrate | Kenji Yamagata | 1993-10-05 |
| 5219769 | Method for forming Schottky diode | Hiroshi Kawarada, Jing S. Ma, Akio Hiraki | 1993-06-15 |
| 5201681 | Method of emitting electrons | Masahiko Okunuki, Akira Suzuki, Isamu Shimoda, Tetsuya Kaneko, Takeo Tsukamoto +2 more | 1993-04-13 |