Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882252 | Electrophotographic sensitive member with amorphous silicon carbide | Naooki Miyamoto, Hiroshi Ito, Hitoshi Takemura, Kazumasa Ohkawa, Kokichi Ishibitsu | 1989-11-21 |
| 4826748 | Electrophotographic sensitive member | Yoshikazu Nakayama | 1989-05-02 |
| 4820268 | Transfusion apparatus | Tetsuya Miyatake | 1989-04-11 |