Issued Patents All Time
Showing 101–125 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6211038 | Semiconductor device, and method for manufacturing the same | Katsumi Nakagawa, Takao Yonehara, Shoji Nishida, Yukiko Iwasaki | 2001-04-03 |
| 6200878 | SOI substrate processing method | Kenji Yamagata | 2001-03-13 |
| 6199563 | Wafer processing apparatus, wafer processing method, and semiconductor substrate fabrication method | Fumio Uehara, Kazutaka Yanagita, Masakazu Harada | 2001-03-13 |
| 6190937 | Method of producing semiconductor member and method of producing solar cell | Katsumi Nakagawa, Takao Yonehara, Shoji Nishida | 2001-02-20 |
| 6171512 | Etching solution for etching porous silicon, etching method using the etching solution and method of preparing semiconductor member using the etching solution | Takao Yonehara, Nobuhiko Sato | 2001-01-09 |
| 6156624 | Method for production of SOI substrate by pasting and SOI substrate | Kenji Yamagata, Takao Yonehara, Tadashi Atoji | 2000-12-05 |
| 6143628 | Semiconductor substrate and method of manufacturing the same | Nobuhiko Sato, Takao Yonehara | 2000-11-07 |
| 6127281 | Porous region removing method and semiconductor substrate manufacturing method | Kazutaka Yanagita | 2000-10-03 |
| 6121112 | Fabrication method for semiconductor substrate | Takao Yonehara | 2000-09-19 |
| 6121117 | Process for producing semiconductor substrate by heat treating | Nobuhiko Sato, Takao Yonehara | 2000-09-19 |
| 6103598 | Process for producing semiconductor substrate | Kenji Yamagata, Takao Yonehara, Nobuhiko Sato | 2000-08-15 |
| 6100165 | Method of manufacturing semiconductor article | Takao Yonehara | 2000-08-08 |
| 6100166 | Process for producing semiconductor article | Takao Yonehara, Shoji Nishida, Kenji Yamagata | 2000-08-08 |
| 6054363 | Method of manufacturing semiconductor article | Takao Yonehara, Tadashi Atoji | 2000-04-25 |
| 5966620 | Process for producing semiconductor article | Takao Yonehara | 1999-10-12 |
| 5868947 | Si substrate and method of processing the same | Takao Yonehara | 1999-02-09 |
| 5869387 | Process for producing semiconductor substrate by heating to flatten an unpolished surface | Nobuhiko Sato, Takao Yonehara | 1999-02-09 |
| 5856229 | Process for production of semiconductor substrate | Takao Yonehara | 1999-01-05 |
| 5854123 | Method for producing semiconductor substrate | Nobuhiko Sato, Takao Yonehara | 1998-12-29 |
| 5840616 | Method for preparing semiconductor member | Takao Yonehara | 1998-11-24 |
| 5827755 | Liquid crystal image display unit and method for fabricating semiconductor optical member | Takao Yonehara, Mamoru Miyawaki, Akira Ishizaki, Junichi Hoshi, Masaru Sakamoto +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 | Takao Yonehara, Nobuhiko Sato | 1998-06-16 |
| 5763288 | Method for producing semiconductor substrate by wafer bonding | Takao Yonehara | 1998-06-09 |
| 5750000 | Semiconductor member, and process for preparing same and semiconductor device formed by use of same | Takao Yonehara, Nobuhiko Sato, Shigeki Kondo | 1998-05-12 |
| 5530266 | Liquid crystal image display unit and method for fabricating semiconductor optical member | Takao Yonehara, Mamoru Miyawaki, Akira Ishizaki, Junichi Hoshi, Masaru Sakamoto +5 more | 1996-06-25 |