Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9964704 | Spot size converter, light source, optical transmitter, optical receiver and optical transmitter-receiver | Nobuaki Hatori, Takanori Shimizu | 2018-05-08 |
| 9904011 | Optical waveguide, optical interposer and light source | Nobuaki Hatori, Takanori Shimizu | 2018-02-27 |
| 9871347 | Semiconductor light emitting device and optical transceiver | Nobuaki Hatori, Takanori Shimizu, Yasuhiko Arakawa, Satoshi Iwamoto, Katsuaki Tanabe | 2018-01-16 |
| 9729246 | Manufacturing method for a phase modulation system with ultraviolet discharge of accumulated charges | — | 2017-08-08 |
| 9664981 | Integrated light source and light output control method | Takanori Shimizu | 2017-05-30 |
| 9628190 | Optical transmitter and optical communication device | Yutaka Urino, Ichiro Ogura | 2017-04-18 |
| 9612411 | Semiconductor optical waveguide device with an anti-reflection diffraction grating formed on both lateral sides of a core layer along a direction of optical propagation | Nobuaki Hatori, Takanori Shimizu | 2017-04-04 |
| 9429706 | Optical waveguide coupler and method for manufacturing same | Nobuaki Hatori, Takanori Shimizu | 2016-08-30 |
| 9297956 | Optical device, optical transmitter, optical receiver, optical transceiver, and method of manufacturing optical device | Nobuaki Hatori, Takanori Shimizu | 2016-03-29 |
| 9235000 | Optical semiconductor apparatus | Nobuaki Hatori, Takanori Shimizu | 2016-01-12 |
| 9195001 | Spot size converter, optical transmitter, optical receiver, optical transceiver, and method of manufacturing spot size converter | Nobuaki Hatori, Takanori Shimizu | 2015-11-24 |
| 9151892 | Spot size converter and method for making the same | Shigeki Takahashi, Shigeru Nakamura, Nobuhide Fujioka | 2015-10-06 |
| 9151894 | Light source circuit and light source device equipped with same | Makoto Okano, Masahiko Mori, Takanori Shimizu, Nobuaki Hatori | 2015-10-06 |
| 9130352 | Optical semiconductor device, light emitting device, optical transmitting device, and method of manufacturing optical semiconductor device | Nobuaki Hatori, Takanori Shimizu | 2015-09-08 |
| 9128240 | Spot-size converter, manufacturing method thereof, and integrated optical circuit device | Nobuaki Hatori, Takanori Shimizu | 2015-09-08 |
| 8379300 | Wavelength-variable light source with dual resonator loop circuit | — | 2013-02-19 |
| 8126301 | Optical waveguide and method for producing the same | — | 2012-02-28 |
| 7616843 | Optical functional device and fabrication process of the same | — | 2009-11-10 |
| 7546005 | Optical switch and path switching method | — | 2009-06-09 |
| 6646775 | Light source for integrating modulator and module for optical communication | — | 2003-11-11 |
| 6477311 | Method and device for selecting light source for optical communication | — | 2002-11-05 |
| 6426236 | Method for making semiconductor optical modulator | Hiroyuki Yamazaki | 2002-07-30 |
| 6318906 | Optical communication module | — | 2001-11-20 |
| 6150667 | Semiconductor optical modulator | Hiroyuki Yamazaki | 2000-11-21 |
| 6002510 | Driving apparatus for optical modulator and driving apparatus for modulator integrated light source | — | 1999-12-14 |