Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631458 | Range finder | Toshiaki Nakahira, Kazumasa Aoki, Yoshihiko Shimura | 1997-05-20 |
| 5148212 | Flash control based on calculated required flash energy | Yoshio Serikawa, Akira Ueno, Hiroshi Takeda, Shigeru Mitsu, Kenji Koyama +2 more | 1992-09-15 |
| RE33436 | Film feeding system of a camera | Kunihiko Araki, Tadafumi Ohguro, Yoshimi Ono, Koichi Nishi, Yoshio Fukushima +2 more | 1990-11-13 |
| 4831405 | Auto-focus arithmetic device | Daisuke Hata, Yoshimi Ohno, Kazumasa Aoki, Takayuki Hatase | 1989-05-16 |
| 4818921 | Apparatus for controlling a motor in a camera | Daisuke Hata, Yoshimi Ohno, Kazumasa Aoki, Takayuki Hatase | 1989-04-04 |
| RE32850 | Film feeding system of a camera | Kunihiko Araki, Tadafumi Ohguro, Yoshimi Ono, Koichi Nishi, Yoshio Fukushima +2 more | 1989-01-31 |
| 4777505 | Automatic focusing control system | Daisuke Hata, Yoshimi Ohno, Takao Yamaguchi, Takayuki Hatase, Kazumasa Aoki | 1988-10-11 |
| 4763154 | Focus detecting device and image signal amplifier circuit therefor | Daisuke Hata, Yoshimi Ohno, Takayuki Hatase, Takao Yamaguchi, Kazumasa Aoki | 1988-08-09 |
| 4751545 | Battery check circuit of electronic strobe flash unit of camera | — | 1988-06-14 |
| 4733264 | Charge-coupled device for automatic focusing and camera shake detector using such charge-coupled device | Takayuki Hatase, Yoshimi Ohno, Daisuke Hata, Kazumasa Aoki | 1988-03-22 |
| 4593988 | Focus condition indicating device of an auto-focus system | Hideaki Akiyama, Hirofumi Horigome | 1986-06-10 |
| 4460256 | Film feeding system of a camera | Kunihiko Araki, Tadafumi Ohguro, Yoshimi Ono, Koichi Nishi, Yoshio Fukushima +2 more | 1984-07-17 |