Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885469 | Infrared gas analyzer | Yutaka Yamagishi | 1989-12-05 |
| 4875069 | Anti-fouling device for sheet gripper | Yusaku Takada | 1989-10-17 |
| 4863763 | Process for producing molecular orientated film | Ken Ishikawa, Tatsuo Kanetake, Takashi Kojima, Akira Itsubo | 1989-09-05 |