Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8542424 | Black coating film and production method therefor, black light shading plate, and diaphragm, diaphragm device for light intensity adjustment, shutter using the same, and heat resistant light shading tape | Yoshiyuki Abe, Katsushi Ono | 2013-09-24 |
| 7670673 | Heat-resistant, light-shielding film, production thereof, and aperture and light intensity adjusting device using the same | Katsushi Ono, Yoshiyuki Abe | 2010-03-02 |
| 6406321 | Auxiliary structure for connecting connector for use in portable telephone | Masahiko Hayashi, Tadahiko Yabu | 2002-06-18 |
| 5300979 | Clamshell type image forming apparatus | Kiyoshi Miyai, Satoshi Hirose, Tatsuhito Horiuchi, Minoru Kumida | 1994-04-05 |
| 4213679 | Projector | Kiyoshi Sakamoto, Naoyuki Oie | 1980-07-22 |