Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688836 | Polytetrafluoroethylene porous material and process for production of the same | Katsutoshi Yamamoto, Hirofumi Onogi | 1997-11-18 |
| 5685920 | Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same | Maremizu Ishibashi, Tsuyoshi Hamaya, Tsutomu Haratani, Tomoji Kumano, Koji Yamasaki +3 more | 1997-11-11 |
| 5684065 | Surface-modified fluorine-containing resin molded article | Hiroyuki Hiraoka, Shinji Tamaru | 1997-11-04 |
| 5601911 | Capsule type retroreflective sheeting | Katsura Ochi, Manabu Ogawa | 1997-02-11 |
| 5601915 | Retroreflective sheeting | Katsura Ochi, Masaki Yoshizawa | 1997-02-11 |