Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136092 | Quart crucible with large diameter for pulling single crystal and method of producing the same | Tatsuhiro Sato, Shigeo Mizuno, Hiroyuki Watanabe | 2000-10-24 |
| 5989021 | Quartz crucible with large diameter for pulling single crystal and method of producing the same | Tatsuhiro Sato, Shigeo Mizuno, Hiroyuki Watanabe | 1999-11-23 |
| 5174801 | Manufacture of quartz glass crucible for use in the manufacture of single crystal silicon | Hiroshi Matsui | 1992-12-29 |
| 5017308 | Silicon thin film and method of producing the same | Shigeru IIJIMA, Kazunobu Tanaka, Akihisa Matsuda, Hideo Yamamoto | 1991-05-21 |
| 4956208 | Manufacture of a quartz glass vessel for the growth of single crystal semiconductor | Akira Uchikawa, Atsushi Iwasaki, Toshio Fukuoka, Hiroshi Matsui, Yasuhiko Sato +4 more | 1990-09-11 |
| 4935046 | Manufacture of a quartz glass vessel for the growth of single crystal semiconductor | Akira Uchikawa, Atsushi Iwasaki, Toshio Fukuoka, Hiroshi Matsui, Yasuhiko Sato +4 more | 1990-06-19 |
| 4873115 | Method of sythesizing carbon film and carbon particles in a vapor phase | Toshihiko Yoshida | 1989-10-10 |
| 4742012 | Method of making graded junction containing amorphous semiconductor device | Hideo Yamamoto, Keitaro Fukui, Toshihiro Yoshida, Yoshinobu Okayasu, Kunio Asai +1 more | 1988-05-03 |
| 4738729 | Amorphous silicon semiconductor solar cell | Toshihiko Yoshida, Hideo Yamamoto, Kunio Asai, Osamu Nakamura, Yoshinobu Okayasu | 1988-04-19 |
| 4726851 | Amorphous silicon semiconductor film and production process thereof | Toshihiko Yoshida | 1988-02-23 |