Issued Patents All Time
Showing 126–150 of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7471853 | Optical modulator | — | 2008-12-30 |
| 7463808 | Optical waveguide, optical device, and manufacturing method of the optical waveguide | — | 2008-12-09 |
| 7447389 | Optical modulator | — | 2008-11-04 |
| 7424878 | Intake port for 4-cycle engine | — | 2008-09-16 |
| 7400786 | Optical modulator and optical transmitter | — | 2008-07-15 |
| 7394950 | Optical modulator | — | 2008-07-01 |
| 7341027 | Portable 4-cycle engine and portable machine equipped with the 4-cycle engine | — | 2008-03-11 |
| 7340114 | Optical waveguide device and optical modulator | Masaharu Doi, Tadao Nakazawa | 2008-03-04 |
| 7289686 | Optical modulator | Kazuhiro Tanaka | 2007-10-30 |
| 7286727 | Optical communication device and optical device | — | 2007-10-23 |
| 7239764 | Optical waveguide device with reduced driving voltage | Masaharu Doi, Tadao Nakazawa, Masaaki Ohyama | 2007-07-03 |
| 7177490 | Optical waveguide, optical device, and method of manufacturing optical waveguide | Tadao Nakazawa | 2007-02-13 |
| 7155072 | Optical modulator | Tadao Nakazawa, Masaharu Doi | 2006-12-26 |
| 7099524 | Optical modulator | — | 2006-08-29 |
| 7095926 | Optical device | — | 2006-08-22 |
| 7088875 | Optical modulator | Tadao Nakazawa | 2006-08-08 |
| 7058241 | Optical modulator | Masaharu Doi | 2006-06-06 |
| 7054512 | Optical waveguide, optical device, and method of manufacturing optical waveguide | Tadao Nakazawa | 2006-05-30 |
| 7029769 | Insulation film, powder for magnetic core and powder magnetic core and processes for producing the same | Shin Tajima, Takeshi Hattori, Mikio Kondoh, Kiyoshi Higashiyama, Hidefumi Kishimoto +1 more | 2006-04-18 |
| 6980706 | Waveguide optical modulator | — | 2005-12-27 |
| 6950218 | Optical modulator | Tadao Nakazawa, Masaharu Doi, Takehito Tanaka, Akira Ishii | 2005-09-27 |
| 6873748 | Optical modulator module and optical modulator | Tadao Nakazawa | 2005-03-29 |
| 6867901 | Optical modulator and design method therefor | Tadao Nakazawa | 2005-03-15 |
| 6801675 | Optical modulator | Masaharu Doi, Shinji Taniguchi, Masaaki Ohyama | 2004-10-05 |
| 6785199 | Drive device including a restart drive detection element | Hiroshi Ohtsu, Hironobu Amemiya | 2004-08-31 |