Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7526176 | Optical amplifier and fabrication method thereof | Yoshiyuki Sugahara | 2009-04-28 |
| 7302140 | Optical switch and matrix optical switch | — | 2007-11-27 |
| 6862393 | Optical waveguide element, manufacturing method for optical waveguide element, optical deflecting element, and optical switching element | — | 2005-03-01 |
| 6816660 | Optical waveguide element and method of fabrication thereof | — | 2004-11-09 |
| 6529667 | Optical waveguide element, manufacturing method for optical waveguide element, optical deflecting element, and optical switching element | — | 2003-03-04 |
| 6470125 | Optical device, driving method of optical device and manufacture of optical device | Shigetoshi Nakamura, Takashi Morikawa | 2002-10-22 |
| 6385355 | Optical deflection element | Shigetoshi Nakamura, Takashi Morikawa, Hiroaki Moriyama, Masao Watanabe, Eisuke Osakabe | 2002-05-07 |
| 6307996 | Optical waveguide device and manufacturing method thereof | Koichi Haga, Masao Watanabe, Hiroaki Moriyama, Takashi Morikawa, Shigetoshi Nakamura | 2001-10-23 |
| 6078717 | Opical waveguide device | Masao Watanabe, Hiroaki Moriyama, Shigetoshi Nakamura, Eisuke Osakabe, Takashi Morikawa | 2000-06-20 |
| 6025864 | Optical scanning device and image forming apparatus | — | 2000-02-15 |
| 6001416 | Oxide thin film and process for forming the same | Hiroaki Moriyama | 1999-12-14 |
| 5852703 | Ferroelectric thin film element and production method thereof | — | 1998-12-22 |
| 5834803 | Oriented ferroelectric thin film element and process for preparing the same | — | 1998-11-10 |
| 5802223 | Optical deflecting device | — | 1998-09-01 |
| 5790167 | Optical scanning device, optical scanning method, and image forming apparatus using the same | Masao Ito | 1998-08-04 |
| 5776621 | Oriented ferroelectric thin film element | — | 1998-07-07 |
| 5759265 | Oriented ferroelectric thin-film element and manufacturing method therefor | Atsushi Masuda | 1998-06-02 |
| 5677970 | Optical scanning device and image forming apparatus using the same | — | 1997-10-14 |
| 5656382 | Oriented conductive film and process for preparing the same | — | 1997-08-12 |
| 5650362 | Oriented conductive film and process for preparing the same | — | 1997-07-22 |
| 5637346 | Process for preparing a thin ferroelectric or para-dielectric oxide film | Hiroaki Moriyama | 1997-06-10 |
| 5576879 | Composite optical modulator | — | 1996-11-19 |
| 5567979 | Oriented ferroelectric thin-film element and manufacturing method therefor | Atsushi Masuda | 1996-10-22 |
| 5525434 | Oriented multi-layer thin film of ferrodielectric substance and method of producing the same | — | 1996-06-11 |
| 5514484 | Oriented ferroelectric thin film | — | 1996-05-07 |