Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922670 | User support apparatus and system using agents | Teruhiro Yamada, Atsushi Maeda | 2005-07-26 |
| 4843451 | Photovoltaic device with O and N doping | Kaneo Watanabe, Yukio Nakashima, Hisao Haku | 1989-06-27 |
| 4755483 | Method for producing semiconductor device with p-type amorphous silicon carbide semiconductor film formed by photo-chemical vapor deposition | Hisao Haku, Yukio Nakashima, Kaneo Watanabe | 1988-07-05 |
| 4719123 | Method for fabricating periodically multilayered film | Hisao Haku, Yukio Nakashima, Kaneo Watanabe | 1988-01-12 |
| 4705912 | Photovoltaic device | Yukio Nakashima, Hisao Haku, Kaneo Watanabe | 1987-11-10 |
| 4670293 | Method of making semiconductor film | Masaru Yamano, Yukinori Kuwano, Shoichi Nakano, Souichi Sakai, Hirosato Yagi +1 more | 1987-06-02 |