Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875943 | Flexible photovoltaic device | Yoshihiro Hamakawa, Kazunori Tsuge, Masanobu Izumina | 1989-10-24 |
| 4869976 | Process for preparing semiconductor layer | Takeo Okamoto, Kazunori Tsuge | 1989-09-26 |
| 4862227 | Semiconductor device and its manufacturing method | Kazunori Tsuge, Shinji Kuwamura | 1989-08-29 |
| 4825806 | Film forming apparatus | Kazunori Tsuge | 1989-05-02 |
| 4804608 | Amorphous silicon photoreceptor for electrophotography | — | 1989-02-14 |
| 4797527 | Electrode for electric discharge machining and method for producing the same | Kenji Yamamoto, Takehisa Nakayama | 1989-01-10 |