Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9108887 | Method for producing ceramic for heat-radiating members, ceramic for heat-radiating members, and solar cell module and LED light-emitting module using said ceramic | Nobuyuki Ishida | 2015-08-18 |
| 5156900 | Leather-like sheet materials and method of producing same | — | 1992-10-20 |
| 4770720 | Method for producing a grain-oriented electrical steel sheet having a low watt-loss | Hisashi Kobayashi, Eiji Sasaki, Katsuo Eto | 1988-09-13 |
| 4518674 | Developing material for electrophotography, process for preparation | Shotaro Watanabe, Makoto Tomono, Goichi Yamakawa, Nobuo Takahashi | 1985-05-21 |
| 4515852 | Leather-like sheet material having low slip characteristics | Kenichi Katabe | 1985-05-07 |
| 4287283 | Iron powder developing carrier and the manufacturing method of the same, developer containing said carrier and method of forming visible image by using said developer | Shotaro Watanabe, Makoto Tomono, Goichi Yamakawa, Nobuo Takahashi | 1981-09-01 |
| 4216251 | Method of producing a leather-like sheet material having a high-quality feeling | Kazundo Akamata | 1980-08-05 |
| 4190572 | Method of producing a leather-like sheet with a delicate appearance and a deluxe hand | Mikihiro Matsui, Tomio Mizuse, Shunji Ishizaki | 1980-02-26 |