Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580820 | Self-breathing electrochemical oxygenerator | Mingruo Hu, Guangyi Cao | 2017-02-28 |
| 9185305 | Photography system, camera, and photography illumination device | — | 2015-11-10 |
| 8854536 | External device operable in synchronization with camera wirelessly connected thereto, and camera operable in synchronization with external device wirelessly connected thereto | — | 2014-10-07 |
| 7945154 | Information communication device and external device | — | 2011-05-17 |
| 7756412 | Light emission control circuit of flash device | — | 2010-07-13 |
| 6795647 | Flash control device and flash control system | Hiroyuki Iwasaki | 2004-09-21 |
| 6748165 | Photographing system and photographic information transmission system | — | 2004-06-08 |
| 6571062 | Electric flash device predicting quantity of overrun light according to target quantity of emission | — | 2003-05-27 |
| 6295413 | Digitizing circuit of light amount receiving from strobe and control circuit of light amount emitted from strobe | — | 2001-09-25 |
| 5862417 | Automatic focus adjustment apparatus | — | 1999-01-19 |
| 5768639 | Diaphragm controlling device for a camera | — | 1998-06-16 |
| 5652664 | Image sensor | Yosuke Kusaka | 1997-07-29 |
| 5600398 | Automatic focus adjustment device and method | — | 1997-02-04 |
| 5594715 | Exposure control device of a camera and method | — | 1997-01-14 |
| 5574535 | Auto-focusing device | — | 1996-11-12 |
| 5502538 | Focus detection device | — | 1996-03-26 |
| 5477302 | Automatic focus adjustment apparatus for moving object photography | — | 1995-12-19 |
| 5418594 | Focal point detection apparatus | Yosuke Kusaka | 1995-05-23 |
| 5330330 | Electromagnetically operated fixed displacement pump | Fukuji Kuwabara, Akihiro Fuse, Hiroshi Iizuka | 1994-07-19 |
| 5270763 | Auto-focusing device | — | 1993-12-14 |
| 5239332 | Automatic focusing device of camera for moving object photography | Masaru Muramatsu | 1993-08-24 |
| 5212515 | Auto-focusing apparatus | — | 1993-05-18 |
| 5204233 | Photographic silver halide element having coated particles | Takeo Arai | 1993-04-20 |
| 5189459 | Automatic focusing apparatus | Toshimi Watanabe | 1993-02-23 |
| 5177525 | Control method for an auto focus apparatus | — | 1993-01-05 |