Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7792007 | Optical device for monitor and optical pickup apparatus | Takuji Hatano, Miyuki Teramoto, Hiroshi Hirayama, Iwao Usui | 2010-09-07 |
| 6280848 | Antireflection coating | Hakuzo Tani | 2001-08-28 |
| 5902105 | Dental treatment apparatus with a root canal length measurement function | Yoshio Uejima, Kazunari Matoba, Masanobu Yoshida, Ryozo Koyama | 1999-05-11 |
| 4921760 | Anti-reflection coating of optical part made of synthetic resin | Hakuzo Tani | 1990-05-01 |
| 4715490 | Automatic pallet changer | Takao Date, Koya Watanabe | 1987-12-29 |