Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621026 | Gas barrier film and production process thereof | Hideaki Tanaka, Tomoaki Sato, Tomohisa Hasegawa | 1997-04-15 |
| 5621510 | Image heating apparatus with driving roller having low thermal expansion coefficient outer layer | Kouichi Okuda, Tatsunori Ishiyama, Akira Hayakawa, Takashi Shibuya | 1997-04-15 |