Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8992683 | Apparatus for producing crystals | Hiroki Kohda, Kazuo Fujiura | 2015-03-31 |
| 8773749 | Variable focusing lens and microscope | Tadayuki Imai, Jun Miyazu, Shogo Yagi, Seiji Toyoda | 2014-07-08 |
| 8014061 | Variable-focal length lens | Tadayuki Imai, Jun Miyazu, Shogo Yagi, Kazuo Fujiura | 2011-09-06 |
| 7859666 | Electric field sensor | Aiichirou Sasaki, Mitsuru Shinagawa, Nobutarou Shibata, Tadashi Minotani, Kazuo Fujiura +1 more | 2010-12-28 |
| 7674737 | Optical medium, an optical lens and a prism | Kazuo Fujiura, Tadayuki Imai, Kouichirou Nakamura | 2010-03-09 |
| 7591895 | Method and apparatus for producing crystals | Hiroki Kohda, Kazuo Fujiura, Takashi Kobayashi, Tadayuki Imai, Takashi Kurihara | 2009-09-22 |
| 7492975 | Optical switch, optical modulator and wavelength variable filter | Seiji Toyoda, Kazuo Fujiura, Koji Enbutsu, Makoto Shimokozono, Tadayuki Imai +4 more | 2009-02-17 |
| 7356227 | Optical switch, optical modulator and wavelength variable filter | Seiji Toyoda, Kazuo Fujiura, Koji Enbutsu, Makoto Shimokozono, Tadayuki Imai +4 more | 2008-04-08 |
| 7340116 | Optical switch, optical modulator and wavelength variable filter | Seiji Toyoda, Kazuo Fujiura, Koji Enbutsu, Makoto Shimokozono, Tadayuki Imai +4 more | 2008-03-04 |
| 7340147 | Optical waveguide material and optical waveguide | Tadayuki Imai, Kazuo Fujiura, Makoto Shimokozono, Seiji Toyoda, Tohru Matsuura | 2008-03-04 |
| 7336854 | Optical switch, optical modulator and wavelength variable filter | Seiji Toyoda, Kazuo Fujiura, Koji Enbutsu, Makoto Shimokozono, Tadayuki Imai +4 more | 2008-02-26 |
| 7177514 | Optical waveguide material and optical waveguide | Tadayuki Imai, Kazuo Fujiura, Makoto Shimokozono, Seiji Toyoda, Tohru Matsuura | 2007-02-13 |
| 7110652 | Optical waveguide and method of manufacture | Kazuo Fujiura, Koji Enbutsu, Tadayuki Imai, Shogo Yagi, Takashi Kurihara +3 more | 2006-09-19 |
| 6996321 | Optical waveguide and method of manufacture | Kazuo Fujiura, Koji Enbutsu, Tadayuki Imai, Shogo Yagi, Takashi Kurihara +3 more | 2006-02-07 |
| 6795232 | Wavelength converter | Kazuo Fujiura, Shogo Yagi, Tadayuki Imai, Koji Enbutsu, Takashi Kurihara +3 more | 2004-09-21 |
| 6792189 | Optical waveguide and method of manufacture | Kazuo Fujiura, Koji Enbutsu, Tadayuki Imai, Shogo Yagi, Takashi Kurihara +3 more | 2004-09-14 |
| 6281994 | Method and apparatus for three-dimensional holographic display suitable for video image display | Tsutomu Horikoshi, Haruhiko Kojima, Noboru Sonehara, Tadayuki Imai, Shogo Yagi +3 more | 2001-08-28 |