Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6583221 | Vinyl chloride resin, process for producing the same, and molded object | Takahiro Omura | 2003-06-24 |
| 4906499 | High density information record medium comprising a polymer material having a lubricant uniformly dispersed therein | Toshiaki Hamaguchi, Kazuhira Namikawa, Toshio Akai, Mutsuaki Nakamura, Akio Kuroda +1 more | 1990-03-06 |
| 4631717 | High density information records of an electrostatic capacitance type | Kazuhira Namikawa, Toshiaki Hamaguchi, Mutsuaki Nakamura, Akio Kuroda, Akio Hata | 1986-12-23 |
| 4592862 | Conductive resin composition and information record | Mutsuaki Nakamura, Kazuhira Namikawa, Toshiaki Hamaguchi, Akio Kuroda, Akio Hata | 1986-06-03 |
| 4548739 | High density information records made of conductive resin compositions comprising a specifically-treated vinyl chloride-base resin | Mutsuaki Nakamura, Kazuhira Namikawa, Toshikazu Goshima, Toshiaki Hamaguchi, Akio Kuroda +1 more | 1985-10-22 |
| 4465615 | Electroconductive resin composition and a videodisc record | Akio Hata, Hiroshi Kake | 1984-08-14 |
| 4396660 | Electroconductive resin composition and a videodisc record | Akio Hata, Hiroshi Kake | 1983-08-02 |