Takei; Ryohei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Takei; Ryohei.The latest application filed is for "optical semiconductor device".
- Takei; Ryohei - Ibaraki JP
| Patent | Date |
|---|---|
| Electro-optical modulator Grant 9,829,726 - Kamei , et al. November 28, 2 | 2017-11-28 |
| Optical semiconductor device Grant 9,690,122 - Kamei , et al. June 27, 2 | 2017-06-27 |
| Optical Semiconductor Device App 20160357035 - Kamei; Toshihiro ; et al. | 2016-12-08 |
| Electro-optical Modulator App 20160349545 - Kamei; Toshihiro ; et al. | 2016-12-01 |
| Interlayer light wave coupling device Grant 9,435,946 - Sakakibara , et al. September 6, 2 | 2016-09-06 |
| Interlayer Light Wave Coupling Device App 20160139334 - Sakakibara; Youichi ; et al. | 2016-05-19 |
| Semiconductor pointed structure and method for fabricating same, spot size converter, and non-reflective terminator Grant 8,965,157 - Sakakibara , et al. February 24, 2 | 2015-02-24 |
| Semiconductor Pointed Structure And Method For Fabricating Same, Spot Size Converter, And Non-reflective Terminator App 20140199018 - Sakakibara; Youichi ; et al. | 2014-07-17 |
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