Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506618 | Solid-state image pickup device using an all-pixel concurrent read-out type image sensor and color filter array | Masayuki Yoneyama, Yasutoshi Yamamoto, Norio Suzuki, Hiroaki Okayama | 1996-04-09 |
| 5280388 | Wavelength selective phase grating optical low-pass filter | Hiroaki Okayama | 1994-01-18 |
| 4733953 | Color corrected projection lens | Yoshiharu Yamamoto, Yasuo Nakajima | 1988-03-29 |
| 4704009 | Projection lens | Yoshiharu Yamamoto, Yoshito Miyatake, Yasuo Nakajima, Yoshitomi Nagaoka | 1987-11-03 |