Teruo Kurahashi

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical device having dual waveguides with one being an electro-opt...
- Patent number 12,153,294
- Issue date Nov 26, 2024
- Fujitsu Optical Components Limited
- Shuntaro Makino
- G02 - OPTICS
Information Patent Grant
Optical device and optical communication apparatus
- Patent number 12,044,910
- Issue date Jul 23, 2024
- Fujitsu Optical Components Limited
- Shuntaro Makino
- G02 - OPTICS
Information Patent Grant
Optical device and optical communication apparatus
- Patent number 11,936,428
- Issue date Mar 19, 2024
- Fujitsu Optical Components Limited
- Shuntaro Makino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical waveguide device
- Patent number 11,693,290
- Issue date Jul 4, 2023
- Fujitsu Optical Components Limited
- Shuntaro Makino
- G02 - OPTICS
Information Patent Grant
Optical waveguide device
- Patent number 11,624,965
- Issue date Apr 11, 2023
- Fujitsu Optical Components Limited
- Shuntaro Makino
- G02 - OPTICS
Information Patent Grant
Optical waveguide device
- Patent number 5,680,497
- Issue date Oct 21, 1997
- Fujitsu Limited
- Minoru Seino
- G02 - OPTICS
Information Patent Grant
Optical waveguide device
- Patent number 5,404,412
- Issue date Apr 4, 1995
- Fujitsu Limited
- Minoru Seino
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE
- Publication number 20230161184
- Publication date May 25, 2023
- FUJITSU OPTICAL COMPONENTS LIMITED
- Shuntaro MAKINO
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE AND OPTICAL COMMUNICATION APPARATUS
- Publication number 20230141163
- Publication date May 11, 2023
- FUJITSU OPTICAL COMPONENTS LIMITED
- Shuntaro Makino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DEVICE AND OPTICAL COMMUNICATION APPARATUS
- Publication number 20230004028
- Publication date Jan 5, 2023
- FUJITSU OPTICAL COMPONENTS LIMITED
- Shuntaro MAKINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL WAVEGUIDE DEVICE
- Publication number 20220050351
- Publication date Feb 17, 2022
- FUJITSU OPTICAL COMPONENTS LIMITED
- Shuntaro Makino
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE DEVICE
- Publication number 20210325760
- Publication date Oct 21, 2021
- FUJITSU OPTICAL COMPONENTS LIMITED
- Shuntaro Makino
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE AND METHOD FOR MANUFACTURING OPTICAL DEVICE
- Publication number 20190181616
- Publication date Jun 13, 2019
- Fujitsu Limited
- Teruo Kurahashi
- H01 - BASIC ELECTRIC ELEMENTS