Kondo; Michikazu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kondo; Michikazu.The latest application filed is for "variable optical attenuator".
- Kondo; Michikazu - Ryuugasaki JP
- Kondo, Michikazu - Ryuugasaki-shi JP
- Kondo; Michikazu - Sendai JP
- Kondo; Michikazu - Tokyo JP
| Patent | Date |
|---|---|
| Optical switch Grant 6,961,485 - Kondo , et al. November 1, 2 | 2005-11-01 |
| Variable optical attenuator Grant 6,950,596 - Yahagi , et al. September 27, 2 | 2005-09-27 |
| Variable optical attenuator App 20040101245 - Yahagi, Akira ; et al. | 2004-05-27 |
| Optical switch App 20040067010 - Kondo, Michikazu ; et al. | 2004-04-08 |
| Electric field sensor Grant 5,781,003 - Kondo July 14, 1 | 1998-07-14 |
| Electric field sensor Grant 5,574,805 - Toba , et al. November 12, 1 | 1996-11-12 |
| Optical time-division switching system employing optical bistable devices Grant 4,608,682 - Nagashima , et al. August 26, 1 | 1986-08-26 |
| Light quantity control apparatus Grant 4,359,268 - Kondo November 16, 1 | 1982-11-16 |
| Electro-optical light modulators, light wavelength multiplex signal transmitting apparatus and light wavelength separating switches utilizing the same Grant 4,327,971 - Kondo , et al. May 4, 1 | 1982-05-04 |
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