Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801506 | Polyimide film having fluorocarbon resin layer | Kazunori Motonari, Kazuo Kumamoto, Shigeto Turuda, Taiichiro Mitsutake | 1989-01-31 |
| 4796104 | Video signal recording and reproducing apparatus performing time-lapse recordings compatible with standard-type apparatuses | Kazuo Negishi, Kohei Yamashita | 1989-01-03 |