Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901784 | Optical waveguide, optical transmitter and receiver module, and laminated structure | Keiichi Kuramoto, Hiroaki Izu, Koji Yamano, Hitoshi Hirano, Youhei Nakagawa | 2011-03-08 |
| 7887910 | Laminated optical element | Keiichi Kuramoto, Nobuhiko Hayashi, Hitoshi Hirano, Masaya Nakai | 2011-02-15 |
| 7599133 | Optical part for camera and method of fabricating the same | Masaya Nakai, Nobuhiko Hayashi, Keiichi Kuramoto | 2009-10-06 |
| 7582358 | Organic-inorganic composite forming material, organic-inorganic composite, production method thereof and optical element | Nobuhiko Hayashi, Keiichi Kuramoto, Masaya Nakai | 2009-09-01 |
| 7561774 | Optical waveguide | Keiichi Kuramoto, Hiroaki Izu, Youhei Nakagawa, Hitoshi Hirano, Nobuhiko Hayashi | 2009-07-14 |
| 7529044 | Optical element, optical system and methods of manufacturing the same as well as optical equipment | Keiichi Kuramoto, Nobuhiko Hayashi, Hitoshi Hirano | 2009-05-05 |
| 7521725 | Optical waveguide and the method of fabricating the same | Youhei Nakagawa, Nobuhiko Hayashi, Keiichi Kuramoto, Hitoshi Hirano | 2009-04-21 |
| 7483616 | Optical waveguide | Nobuhiko Hayashi, Keiichi Kuramoto, Youhei Nakagawa, Hitoshi Hirano | 2009-01-27 |
| 7457507 | Organometallic polymer material | Keiichi Kuramoto, Hitoshi Hirano, Nobuhiko Hayashi | 2008-11-25 |
| 7396873 | Organometallic polymer material and process for preparing the same | Keiichi Kuramoto, Youhei Nakagawa, Nobuhiko Hayashi, Hitoshi Hirano | 2008-07-08 |
| 7348650 | Element having microstructure and manufacturing method thereof | Kazushi Mori, Koji Tominaga, Atsushi Tajiri, Koutarou Furusawa | 2008-03-25 |
| 7181121 | Optical device and method for manufacturing the same | Keiichi Kuramoto, Youhei Nakagawa, Hiroaki Izu, Hitoshi Hirano, Nobuhiko Hayashi | 2007-02-20 |
| 7129183 | Method of forming grating microstrutures by anodic oxidation | Kazushi Mori, Koji Tominaga, Atsushi Tajiri, Koutarou Furusawa | 2006-10-31 |
| 7116868 | Optical branch device and optical coupler module | Nobuhiko Hayashi, Keiichi Kuramoto, Hitoshi Hirano | 2006-10-03 |
| 7113316 | Holographic optical element, position shift detecting apparatus, optical pickup apparatus, optical recording medium drive and method of fabricating holographic optical element | Kazushi Mori, Koji Tominaga, Atsushi Tajiri, Minoru Sawada | 2006-09-26 |
| 7054070 | Gradient-index lens and composite optical element utilizing the same | Keiichi Kuramoto, Youhei Nakagawa, Hiroaki Izu, Hitoshi Hirano, Nobuhiko Hayashi | 2006-05-30 |
| 6930053 | Method of forming grating microstructures by anodic oxidation | Kazushi Mori, Koji Tominaga, Atsushi Tajiri, Koutarou Furusawa | 2005-08-16 |
| 6917454 | Holographic optical element, position shift detecting apparatus, optical pickup apparatus, optical recording medium drive and method of fabricating holographic optical element | Kazushi Mori, Koji Tominaga, Atsushi Tajiri, Minoru Sawada | 2005-07-12 |
| 5610096 | Semiconductor laser with a self sustained pulsation | Keiichi Yodoshi, Akira Ibaraki, Masayuki Shono, Shoji Honda, Takatoshi Ikegami +9 more | 1997-03-11 |
| 5608752 | Semiconductor laser device and method of designing the same | Takenori Goto, Nobuhiko Hayashi, Teruaki Miyake, Kenichi Matsukawa, Daisuke Ide +4 more | 1997-03-04 |
| 5595720 | Method for producing carbon fiber | Yutaka Arai, Kunio Miura, Toshihisa Nishikawa | 1997-01-21 |
| 5506170 | Method of making a semiconductor laser with a self-sustained pulsation | Keiichi Yodoshi, Akira Ibaraki, Masayuki Shono, Shoji Honda, Takatoshi Ikegami +9 more | 1996-04-09 |
| 5416790 | Semiconductor laser with a self-sustained pulsation | Keiichi Yodoshi, Akira Ibaraki, Masayuki Shono, Shoji Honda, Takatoshi Ikegami +9 more | 1995-05-16 |
| 5343484 | SHG (second-harmonic generation) device | Kazushi Mori, Tadao Toda, Hideyuki Nonaka, Takao Yamaguchi | 1994-08-30 |
| 4775589 | Coaltar pitch based carbon fiber having high Young's modulus | Takeshi Hamada, Tokuhiko Nishida, Yasunori Sajiki | 1988-10-04 |