Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863794 | Glassfiber reinforced fluorocarbon polymer coating composition for metal surfaces, process of preparing the same, and metal sheets coated with such coating composition | Haruki Fujii, Isao Miyawaki, Motoomi Sakai, Fumio Kanazawa | 1989-09-05 |
| 4810676 | Chromium oxide-base ceramic material | Kazuhisa Shobu, Yuji Enomoto | 1989-03-07 |
| 4808557 | Sintered titanium carbo-nitride ceramics | Kazuhisa Shobu, Yuko Tsuya, Yuji Enomoto, Junshiro Hayakawa, Osamu Yagishita +2 more | 1989-02-28 |