Ohyama; Masaaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ohyama; Masaaki.The latest application filed is for "optical modulator".
- Ohyama; Masaaki - Kawasaki JP
- Ohyama; Masaaki - Osaka JP
- Ohyama, Masaaki - Osaka-shi JP
| Patent | Date |
|---|---|
| Optical waveguide device with reduced driving voltage Grant 7,239,764 - Doi , et al. July 3, 2 | 2007-07-03 |
| Optical device Grant 6,865,306 - Doi , et al. March 8, 2 | 2005-03-08 |
| Method of carbonization of organic waste and apparatus therefor Grant 6,807,915 - Sugano , et al. October 26, 2 | 2004-10-26 |
| Optical modulator Grant 6,801,675 - Doi , et al. October 5, 2 | 2004-10-05 |
| Optical modulator App 20030194164 - Doi, Masaharu ; et al. | 2003-10-16 |
| Optical waveguide device App 20030147576 - Doi, Masaharu ; et al. | 2003-08-07 |
| Optical device App 20030147581 - Doi, Masaharu ; et al. | 2003-08-07 |
| Optical modulator having ridge and associated structure on substrate Grant 6,584,240 - Doi , et al. June 24, 2 | 2003-06-24 |
| Method of carbonization of organic waste and apparatus therefor App 20030051647 - Sugano, Masahiro ; et al. | 2003-03-20 |
| Optical device App 20020146190 - Doi, Masaharu ; et al. | 2002-10-10 |
| Optical modulator App 20020141679 - Dol, Masaharu ; et al. | 2002-10-03 |
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