Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857802 | Thin film EL element and process for producing the same | Katsumi Tamura, Kazuo Taguchi, Kenichi Onisawa, Akira Sato, Kenichi Hashimoto +2 more | 1989-08-15 |
| 4617575 | Thermal head | Katsumi Tamura, Isao Funyu, Isao Nunokawa, Masanobu Hanazono, Shigetoshi Hirastuka | 1986-10-14 |
| 4543573 | Display panel | Katsumi Tamura, Makoto Morijiri, Mamoru Sawahata, Hiroaki Hachino | 1985-09-24 |
| 4269899 | Surface hafnium-titanium carbide coated hard alloy and method | Haruhiko Honda, Mitsuru Ura | 1981-05-26 |
| 4264682 | Surface hafnium-titanium compound coated hard alloy material and method of producing the same | Haruhiko Honda, Mitsuru Ura | 1981-04-28 |