Issued Patents All Time
Showing 126–150 of 192 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840616 | Method for preparing semiconductor member | Kiyofumi Sakaguchi | 1998-11-24 |
| 5827755 | Liquid crystal image display unit and method for fabricating semiconductor optical member | Mamoru Miyawaki, Akira Ishizaki, Junichi Hoshi, Masaru Sakamoto, Shigetoshi Sugawa +5 more | 1998-10-27 |
| 5767020 | Etching solution for etching porous silicon, etching method using the etching solution and method of preparing semiconductor member using the etching solution | Kiyofumi Sakaguchi, Nobuhiko Sato | 1998-06-16 |
| 5763288 | Method for producing semiconductor substrate by wafer bonding | Kiyofumi Sakaguchi | 1998-06-09 |
| 5755914 | Method for bonding semiconductor substrates | — | 1998-05-26 |
| 5750000 | Semiconductor member, and process for preparing same and semiconductor device formed by use of same | Nobuhiko Sato, Kiyofumi Sakaguchi, Shigeki Kondo | 1998-05-12 |
| 5733369 | Method for forming crystal | Yasuhiro Naruse | 1998-03-31 |
| 5726464 | Light emitting device using porous semi-conductor material | Hideya Kumomi | 1998-03-10 |
| 5723348 | Method of making a light-emitting device | Hideya Kumomi | 1998-03-03 |
| 5712199 | Method for making semiconductor body and photovoltaic device | Katsumi Nakagawa | 1998-01-27 |
| 5695557 | Process for producing a semiconductor substrate | Kenji Yamagata | 1997-12-09 |
| 5679475 | Semiconductor substrate and process for preparing the same | Kenji Yamagata | 1997-10-21 |
| 5670411 | Process of making semiconductor-on-insulator substrate | Kenji Yamagata | 1997-09-23 |
| 5610094 | Photoelectric conversion device | Masaharu Ozaki | 1997-03-11 |
| 5531182 | Method of making a semiconductor thin-film | — | 1996-07-02 |
| 5530266 | Liquid crystal image display unit and method for fabricating semiconductor optical member | Mamoru Miyawaki, Akira Ishizaki, Junichi Hoshi, Masaru Sakamoto, Shigetoshi Sugawa +5 more | 1996-06-25 |
| 5495824 | Method for forming semiconductor thin film | Yoshiyuki Osada | 1996-03-05 |
| 5492859 | Method for producing semiconductor device substrate by bonding a porous layer and an amorphous layer | Kiyofumi Sakaguchi, Shoji Nishida | 1996-02-20 |
| 5484746 | Process for forming semiconductor thin film | Takeshi Ichikawa | 1996-01-16 |
| 5466631 | Method for producing semiconductor articles | Takeshi Ichikawa, Masaru Sakamoto, Yasuhiro Naruse, Jun Nakayama, Kenji Yamagata +1 more | 1995-11-14 |
| 5463975 | Process for producing crystal | — | 1995-11-07 |
| 5458755 | Anodization apparatus with supporting device for substrate to be treated | Yasutomo Fujiyama, Mitsuhiro Ishii, Senju Kanbe, Toru Takisawa, Akira Okita +3 more | 1995-10-17 |
| 5457058 | Crystal growth method | — | 1995-10-10 |
| 5453394 | Process for preparing semiconductor substrate by bringing first and second substrates in contact | Kenji Yamagata | 1995-09-26 |
| 5447117 | Crystal article, method for producing the same and semiconductor device utilizing the same | Kenji Yamagata, Yuji Nishigaki | 1995-09-05 |