Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072583 | Range-finding device | — | 2011-12-06 |
| 6724987 | Lens-fitted photo film unit with electronic flash device | Hirokazu Yokoo, Katsumi Motomura | 2004-04-20 |
| 6434336 | Data-imprinting apparatus for a lens-equipped film unit | Masaaki Handa, Shinsuke Ito, Hisashi Tasaka | 2002-08-13 |
| 6411779 | Lens-fitted photo film unit having IC | — | 2002-06-25 |
| 6404990 | Flash unit | Makoto Isozaki, Junichi Takagi, Kazumi Koike, Mitsuhiro Moriya, Keiji Uchiyama | 2002-06-11 |
| 6363222 | Automatic exposure control device for a camera | — | 2002-03-26 |
| 6345156 | Flash unit | Makoto Isozaki, Junichi Takagi, Kazumi Koike, Mitsuhiro Moriya, Keiji Uchiyama | 2002-02-05 |
| 6345151 | Lens-fitted film unit with IC memory and method of writing data in IC memory | — | 2002-02-05 |
| 6317566 | Electronic flash device for photographic camera | Masato Kagaya, Hirokazu Yokoo | 2001-11-13 |
| 6314239 | Device for preventing unauthorized recycling of lens-fitted photo film unit | — | 2001-11-06 |
| 6236812 | Lens-fitted photo film unit having IC | — | 2001-05-22 |
| 6229958 | Lens-fitted photo film unit having IC | — | 2001-05-08 |
| 6091906 | Flash device | — | 2000-07-18 |
| 6091898 | Lens-fitted photo film unit having IC | — | 2000-07-18 |
| 6044227 | Lens-fitted photo film unit and electronic flash device for use therewith | — | 2000-03-28 |
| 5995768 | Lens-fitted photo film unit and data recording method therefor | Kuniharu Kitagawa, Kazuo Kamata, Sumio Yoshikawa | 1999-11-30 |
| 5966552 | Flash circuit | — | 1999-10-12 |
| 5875357 | Lens-fitted photo film unit and electronic flash device for use therewith | Katsumi Motomura, Keiji Uchiyama, Nobuyuki Kameyama, Takashi Imamura, Mitsuyoshi Mochida +1 more | 1999-02-23 |
| 5854946 | Lens-fitted photo film unit and electronic flash device for use therewith | Katsumi Motomura, Keiji Uchiyama, Nobuyuki Kameyama, Takashi Imamura, Mitsuyoshi Mochida +1 more | 1998-12-29 |
| 5819126 | Lens-fitted photo film unit and data recording method therefor | Kuniharu Kitagawa, Kazuo Kamata, Sumio Yoshikawa | 1998-10-06 |
| 5784658 | Optical data recording device of camera and lens-fitted photographic film unit | Kazuo Okoyama, Kazuo Kamata | 1998-07-21 |
| 5752084 | Lens-fitted photo film unit and electronic flash device for use therewith | Katsumi Motomura, Keiji Uchiyama, Nobuyuki Kameyama, Takashi Imamura, Mitsuyoshi Mochida +1 more | 1998-05-12 |
| 5291562 | Image signal processing apparatus producing a narrowed pulse width modulated signal using an asymmetrically centered triangle reference waveform | — | 1994-03-01 |