Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6682990 | Separation method of semiconductor layer and production method of solar cell | Masaaki Iwane, Katsumi Nakagawa, Makoto Iwakami, Noritaka Ukiyo, Yukiko Iwasaki +1 more | 2004-01-27 |
| 6664169 | Process for producing semiconductor member, process for producing solar cell, and anodizing apparatus | Yukiko Iwasaki, Kiyofumi Sakaguchi, Noritaka Ukiyo | 2003-12-16 |
| 6602767 | Method for transferring porous layer, method for making semiconductor devices, and method for making solar battery | Katsumi Nakagawa, Takao Yonehara, Kiyofumi Sakaguchi | 2003-08-05 |
| 6566277 | Liquid-phase growth method, liquid-phase growth apparatus, and solar cell | Katsumi Nakagawa | 2003-05-20 |
| 6566235 | Process for producing semiconductor member, and process for producing solar cell | Takao Yonehara, Kiyofumi Sakaguchi, Noritaka Ukiyo, Yukiko Iwasaki | 2003-05-20 |
| 6551908 | Method for producing semiconductor thin films on moving substrates | Noritaka Ukiyo, Tetsuro Saito, Tatsumi Shoji, Makoto Iwakami, Takehito Yoshino +2 more | 2003-04-22 |
| 6534382 | Process for producing semiconductor article | Kiyofumi Sakaguchi, Takao Yonehara, Kenji Yamagata | 2003-03-18 |
| 6534336 | Production method of photoelectric conversion device, and photoelectric conversion device produced by the method | Masaaki Iwane, Takao Yonehara, Kiyofumi Sakaguchi | 2003-03-18 |
| 6500731 | Process for producing semiconductor device module | Katsumi Nakagawa | 2002-12-31 |
| 6448155 | Production method of semiconductor base material and production method of solar cell | Yukiko Iwasaki, Takao Yonehara, Kiyofumi Sakaguchi, Noritaka Ukiyo | 2002-09-10 |
| 6429035 | Method of growing silicon crystal in liquid phase and method of producing solar cell | Katsumi Nakagawa, Noritaka Ukiyo, Masaaki Iwane | 2002-08-06 |
| 6391743 | Method and apparatus for producing photoelectric conversion device | Masaaki Iwane, Takao Yonehara, Kazuaki Ohmi, Kiyofumi Sakaguchi, Kazutaka Yanagita | 2002-05-21 |
| 6391108 | Liquid phase growth method of silicon crystal, method of producing solar cell, and liquid phase growth apparatus | Katsumi Nakagawa, Noritaka Ukiyo, Masaaki Iwane | 2002-05-21 |
| 6387780 | Fabrication process of solar cell | — | 2002-05-14 |
| 6384313 | Solar cell module and method of producing the same | Katsumi Nakagawa, Yukiko Iwasaki | 2002-05-07 |
| 6331208 | Process for producing solar cell, process for producing thin-film semiconductor, process for separating thin-film semiconductor, and process for forming semiconductor | Takao Yonehara, Kiyofumi Sakaguchi, Masaaki Iwane | 2001-12-18 |
| 6258698 | Process for producing semiconductor substrate | Yukiko Iwasaki, Katsumi Nakagawa, Takao Yonehara, Kiyofumi Sakaguchi | 2001-07-10 |
| 6248948 | Solar cell module and method of producing the same | Katsumi Nakagawa, Yukiko Iwasaki | 2001-06-19 |
| 6231667 | Liquid phase growth method and liquid phase growth apparatus | Masaaki Iwane, Isao Tanikawa, Katsumi Nakagawa, Tatsumi Shoji, Noritaka Ukiyo | 2001-05-15 |
| 6211038 | Semiconductor device, and method for manufacturing the same | Katsumi Nakagawa, Takao Yonehara, Kiyofumi Sakaguchi, Yukiko Iwasaki | 2001-04-03 |
| 6190937 | Method of producing semiconductor member and method of producing solar cell | Katsumi Nakagawa, Takao Yonehara, Kiyofumi Sakaguchi | 2001-02-20 |
| 6100166 | Process for producing semiconductor article | Kiyofumi Sakaguchi, Takao Yonehara, Kenji Yamagata | 2000-08-08 |
| 5584941 | Solar cell and production process therefor | — | 1996-12-17 |
| 5575862 | Polycrystalline silicon photoelectric conversion device and process for its production | — | 1996-11-19 |
| 5492859 | Method for producing semiconductor device substrate by bonding a porous layer and an amorphous layer | Kiyofumi Sakaguchi, Takao Yonehara | 1996-02-20 |