Watanabe; Yojiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Watanabe; Yojiro.The latest application filed is for "ridge waveguide laser device".
- Watanabe; Yojiro - Tokyo JP
- Watanabe; Yojiro - Hachioji JA
| Patent | Date |
|---|---|
| Ridge waveguide laser device Grant 10,985,521 - Watanabe , et al. April 20, 2 | 2021-04-20 |
| Ridge Waveguide Laser Device App 20200381887 - WATANABE; Yojiro ; et al. | 2020-12-03 |
| Planar waveguide laser device Grant 10,637,204 - Shohda , et al. | 2020-04-28 |
| Planar Waveguide Laser Device App 20190148903 - SHOHDA; Fumio ; et al. | 2019-05-16 |
| Planar waveguide laser apparatus Grant 10,116,113 - Sakimura , et al. October 30, 2 | 2018-10-30 |
| Planar Waveguide Laser Apparatus App 20180198250 - SAKIMURA; Takeshi ; et al. | 2018-07-12 |
| Optical device Grant 9,825,424 - Watanabe , et al. November 21, 2 | 2017-11-21 |
| Flat waveguide-type laser device Grant 9,780,519 - Watanabe , et al. October 3, 2 | 2017-10-03 |
| Laser amplification device Grant 9,698,556 - Takasaki , et al. July 4, 2 | 2017-07-04 |
| Optical Device App 20170047706 - WATANABE; Yojiro ; et al. | 2017-02-16 |
| Flat Waveguide-type Laser Device App 20160301179 - WATANABE; Yojiro ; et al. | 2016-10-13 |
| Laser Amplification Device App 20160197450 - TAKASAKI; Takuya ; et al. | 2016-07-07 |
| Fixing device for an electrophotographic copying machine Grant 4,075,455 - Kitamura , et al. February 21, 1 | 1978-02-21 |
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