Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300034 | Bellows pump | Norishige Hirakawa, Kazuhiko Sato | 1989-02-28 |
| D296556 | Bellows pump | Norishige Hirakawa, Kazuhiko Sato | 1988-07-05 |
| 4683093 | Method for holding a moving film | Kimio Satoh, Kazuo Okabe | 1987-07-28 |
| 4594203 | Method for producing a thermoplastic polymeric sheet | Ichiro Ishizuka, Kazuo Okabe | 1986-06-10 |