Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767773 | Method of Production of a thin film type semiconductor device having a heat-retaining layer | Akito Hara, Michiko Takei, Nobuo Sasaki | 2004-07-27 |
| 5063255 | Photopolymerizable type resin compositions for dental purposes | Akira Hasegawa, Hiroshi Mori, Tatsuhiko Takahashi | 1991-11-05 |