Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12354900 | Ceramic material having high resistivity and high corrosion resistance, and wafer placement table | Akiyoshi Hattori, Koji Ueda, Tomohisa Mizoguchi | 2025-07-08 |
| 9788449 | Power conversion apparatus | Kazuya Nagasawa, Hiroaki Iida, Morifumi Shigemasa, Yasuhiro Maeda, Masami Ogura | 2017-10-10 |
| 9693476 | Power conversion apparatus | Kazuya Nagasawa, Hiroaki Iida, Morifumi Shigemasa, Yasuhiro Maeda, Masami Ogura | 2017-06-27 |
| 9455238 | Power converter | Asako Yoneguchi, Toshitake Ohnishi, Yasuhiro Maeda, Yoshinobu Suhara, Ryo Imagawa | 2016-09-27 |
| 6500690 | Method of producing a thin-film photovoltaic device | Hideo Yamagishi, Takayuki Suzuki | 2002-12-31 |
| 6461444 | Method and apparatus for manufacturing semiconductor device | Hideo Yamagishi, Masataka Kondo | 2002-10-08 |
| 6315874 | Method of depositing thin film of metal oxide by magnetron sputtering apparatus | Takayuki Suzuki | 2001-11-13 |
| 6252157 | Amorphous silicon-based thin film photovoltaic device | — | 2001-06-26 |
| 5264710 | Amorphous semiconductor, amorphous semiconductor device using hydrogen radicals | Hideo Yamagishi, Akihiko Hiroe, Keiko Miki, Kazunori Tsuge, Yoshihisa Tawada | 1993-11-23 |
| 5015838 | Color sensor having laminated semiconductor layers | Hideo Yamagishi, Akihiko Hiroe, Satoru Murakami, Keiko Miki, Minori Yamaguchi +2 more | 1991-05-14 |
| 4965225 | Method of stabilizing amorphous semiconductors | Hideo Yamagishi, William Nevin, Keiko Miki, Kazunori Tsuge, Yoshihisa Tawada | 1990-10-23 |