Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4473523 | Process for continuously producing an aromatic polyimide film | Yoshikazu Sasaki, Hiroshi Inoue, Kazuhiko Sakai | 1984-09-25 |
| 4248991 | Elastic strapping band and method for producing same | Kouji Iwata, Kazuhiko Sakai | 1981-02-03 |