Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672409 | Polyester film reflector for a surface light source | Katsutoshi Miyakawa, Seizo Aoki | 1997-09-30 |
| 5654394 | Thermoplastic resin film | Katsutoshi Miyakawa, Katsuya Toyoda, Akiko Yamamoto, Toshiya Ieki | 1997-08-05 |
| 5643680 | Heat-sensitive mimeograph stencil | Katsumasa Osaki, Masaru Suzuki, Mototada Fukuhara | 1997-07-01 |
| 5631706 | Converter and method for converting video signals of interlace format to video signals of progressive format | — | 1997-05-20 |