Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834112 | Ion conductive film and precursor film thereof | Shigemitsu Muraoka | 1998-11-10 |
| 4597278 | Method for producing I-beam having centrally corrugated web | Kiyokazu Tanaka, Takeshi Kikuchi, Yasuhiro Asai, Chihiro Hayashi, Fumio Ohtake | 1986-07-01 |