Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389105 | Device for detecting coincident focusing points | Takeo Saito, Takashi Segawa, Yoichi Seki | 1983-06-21 |
| 4382694 | Timepiece circuit for compensating time lag joined with reset releasing | Takeo Saito | 1983-05-10 |
| 4364648 | Safety device of auto-focusing point adjusting camera | Yuzuru Takazawa | 1982-12-21 |
| 4355872 | Camera equipped with electronic shutter having automatic focus detecting device | Tadashi Nakagawa, Hiroaki Ishida | 1982-10-26 |
| 4350427 | Electromagnetic shutter release device for cameras | Yukio Morino, Shogo Kato, Masanori Watanabe | 1982-09-21 |
| 4349258 | Manual focal point adjusting and change-over device for use in automatic focal point adjuster camera | Masaru Kobayashi, Tadashi Nakagawa, Hiroaki Ishida, Masanori Watanabe, Yuzuru Takazawa | 1982-09-14 |
| 4331399 | Focal point coincidence sensing device | Takeo Saito | 1982-05-25 |
| 4304475 | Warning system for automatic focusing camera | Masuo Ogihara, Kozo Chimura, Nobuo Shinozaki | 1981-12-08 |
| 4295215 | Second hand correction device for use in timepieces | Masuo Ogihara, Kozo Chimura | 1981-10-13 |
| 4275955 | Shutter release interrupting system | Yuzuru Takazawa, Shinji Nagaoka | 1981-06-30 |
| 4272839 | Electric timer | Nobuo Shinozaki | 1981-06-09 |
| 4267440 | Focus detecting system | Shinji Nagaoka, Yuzuru Takazawa | 1981-05-12 |
| 4264177 | Blade mechanism for use in a focal plane shutter | Eiichi Onda, Masanori Watanaba | 1981-04-28 |
| 4258988 | Focusing device for automatic focusing camera | Tadashi Nakagawa, Hiroaki Ishida | 1981-03-31 |
| 4232511 | Time detecting device for a clock | Masuo Ogihara | 1980-11-11 |
| 4231647 | Automatic focusing camera | Yuzuru Takazawa | 1980-11-04 |
| 4231648 | Automatic focusing camera | Tadashi Nakagawa, Hiroaki Ishida | 1980-11-04 |
| 4229089 | Automatic focusing device for camera | Eiichi Onda, Tomoo Yonemoto, Shinji Nagaoka | 1980-10-21 |
| 4217049 | Shutter blade control device for automatic focusing camera | Yukio Morino, Shogo Kato, Ichiro Nemoto | 1980-08-12 |
| 4215923 | Programmed shutter | Hiroaki Ishida | 1980-08-05 |
| 4212522 | Shutter control device for automatic focusing camera | Yukio Morino, Shogo Kato, Ichiro Nemoto | 1980-07-15 |
| 4211480 | Electromagnetic shutter controlling device for camera | Masaru Kobayashi, Tomoo Yonemoto, Shogo Kato | 1980-07-08 |
| 4209969 | Alarm clock | Masuo Ogihara, Kozo Chimura, Nobuo Shinozaki | 1980-07-01 |
| 4210395 | Electronic programmed shutter | Hiroaki Ishida | 1980-07-01 |
| 4209242 | Exposure control device for automatic focusing camera | Yukio Morino, Shogo Kato, Ichiro Nemoto | 1980-06-24 |