Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804461 | Flash apparatus and auxiliary battery apparatus | Masakuni Ohta | 2004-10-12 |
| 6798986 | Slave flash controlling device and slave flash device | — | 2004-09-28 |
| 6654558 | Electric flash and connector | Zhaoxiang Chen | 2003-11-25 |
| 6614999 | Detachable flash device for camera | Hideki Matsui, Zhaoxiang Chen | 2003-09-02 |
| 6546204 | Device and camera accessory mounted on accessory shoe | Masakuni Ohta | 2003-04-08 |
| 6088542 | Housing for camera flash control components and circuitry | Junichi Yanai | 2000-07-11 |
| 5953008 | Source file editing apparatus | — | 1999-09-14 |
| 5878291 | Variable illuminating angle mechanism for a flash unit | Hideki Matsui, Masakuni Ohta | 1999-03-02 |
| 5794082 | Electronic flash device with slave emission function | Hideki Matsui, Hiroshi Sakamoto | 1998-08-11 |
| 5752102 | Electronic flashing device | Hideki Matsui, Hiroshi Sakamoto, Ryotaro Takayanagi | 1998-05-12 |
| 5724620 | Wireless light-amplifying strobe system and strobe device usable with the system | Hideki Matsui, Ryotaro Takayanagi, Hiroshi Sakamoto | 1998-03-03 |
| 5640622 | Electronic flash apparatus of a camera | Hideki Matsui, Ryotaro Takayanagi, Hiroshi Sakamoto | 1997-06-17 |
| 5630183 | Camera accessory mounting and fixing device | Hideki Matsui, Masakuni Ohta | 1997-05-13 |
| 5608476 | Flash bracket with grip | Hiroshi Sakamoto | 1997-03-04 |
| 5594314 | Secondary battery discharge adaptor | Hideki Matsui, Hiroshi Sakamoto, Ryotaro Takayanagi | 1997-01-14 |
| 5592257 | Electronic flash device with slave emission function | Hiroshi Sakamoto, Hideki Matsui | 1997-01-07 |
| 5585987 | Camera system including electronic flash device with slave emission function | Hideki Matsui, Hiroshi Sakamoto | 1996-12-17 |
| 5579068 | Electronic flash apparatus of a camera | Hideki Matsui, Ryotaro Takayanagi, Hiroshi Sakamoto | 1996-11-26 |
| 5571633 | Vent valve for an amphibious equipment having a battery housing | — | 1996-11-05 |
| 5538807 | Vent valve for an amphibious equipment having a battery housing | — | 1996-07-23 |
| 5483319 | Camera capable of photographing with flash | Hiroshi Sakamoto, Hideki Matsui, Ryotaro Takayanagi | 1996-01-09 |
| 5371359 | Water-proof optical switching device for controlling flash light emission | Hideki Matsui, Hiroshi Sakamoto, Norikazo Yokonuma | 1994-12-06 |
| 5266990 | Electronic flash device | Hiroshi Sakamoto, Ryotaro Takayanagi, Hideki Matsui | 1993-11-30 |
| 5239336 | Camera and system of camera and electronic flash device | Hideki Matsui, Ryotaro Takayanagi, Norikazu Yokonuma, Hiroshi Sakamoto | 1993-08-24 |
| 5218398 | Exposure amount indicator | Hiroshi Sakamoto, Norikazu Yokonuma, Hideki Matsui, Ryotaro Takayanagi | 1993-06-08 |