Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887662 | Cooling drum for continuous-casting machines for manufacturing thin metallic strip | Shigenori Tanaka, Yasuo Itoh, Michiya Hayashida, Keiichi Yamamoto, Hikotaro Itani +5 more | 1989-12-19 |
| 4833055 | Electrophotographic photoreceptor comprising amorphous silicon and amorphous carbon buffer layer | Toyoki Kazama, Koichi Aizawa, Toshiyuki Iijima, Yukio Takano | 1989-05-23 |