Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8372316 | Display apparatus, manufacturing method thereof, pattern display method, blind apparatus, and blind method | Mitsuru Kamikatano, Takashi Tsumanuma | 2013-02-12 |
| 6563628 | Gain tilt free optical fiber amplifier in a wide dynamic gain range | Tomoharu Kitabayashi, Tetsuya Sakai | 2003-05-13 |
| 6542288 | Optical amplifier utilizing rare earth element-doped optical fibers for temperature compensation | Takeshi Segi, Takuya Aizawa, Tetsuya Sakai | 2003-04-01 |
| 5178744 | Oxygen sensor device | Mitsuhiro Nakazawa, Kousei Ishibashi, Hideo Yamamoto, Akiyoshi Asada, Katsuaki Nakamura | 1993-01-12 |