Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11942665 | Separator member for fuel cell, and method for manufacturing said separator member | Akira Yoshida, Kio Miyaji | 2024-03-26 |
| 10508743 | Flow rate control device and vehicle | Tomihiro Wakayama, Tomonori Shinozaki | 2019-12-17 |
| 9760013 | Exposure apparatus, mask, and optical film | Yasuaki Umezawa, Tatsuya Sato, Kazuhiro Ura, Yuichi Kakubari | 2017-09-12 |
| 9594276 | Optical diffraction element, optical pickup, and optical diffraction element manufacturing method | Yasuaki Umezawa | 2017-03-14 |
| 9158123 | Light diffraction element and optical low pass filter | Yuichi Kakubari, Yasuaki Umezawa | 2015-10-13 |
| 8551439 | Method of refining carbon parts for production of polycrystalline silicon | Mitsutoshi Narukawa | 2013-10-08 |
| 8218406 | Lens driving apparatus | Haruki Oe, Toru Ishimasa, Yoji Fujimura | 2012-07-10 |
| 6726379 | Camera focal plane shutter | Hiroshi Miyasaki | 2004-04-27 |
| 5508773 | Focal plane shutter for use in a photographic camera | Hiroshi Miyazaki, Toshihisa Saito | 1996-04-16 |
| 4994834 | Focal plane shutter for cameras | Shigemi Takahashi, Toshihisa Saito, Akira Suzuki | 1991-02-19 |
| 4975722 | Focal plane shutter | Akira Suzuki | 1990-12-04 |