Yohei HOKAMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser, semiconductor laser array and method of manufa...
- Patent number 11,870,213
- Issue date Jan 9, 2024
- Mitsubishi Electric Corporation
- Yohei Hokama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device and method for manufacturing the same
- Patent number 11,175,520
- Issue date Nov 16, 2021
- Mitsubishi Electric Corporation
- Yuichiro Horiguchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Semiconductor optical waveguide and optical integrated element
- Patent number 10,985,532
- Issue date Apr 20, 2021
- Mitsubishi Electric Corporation
- Yohei Hokama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical modulator element, optical modulation module including opti...
- Patent number 9,989,830
- Issue date Jun 5, 2018
- Mitsubishi Electric Corporation
- Yuichiro Horiguchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SAME
- Publication number 20240128724
- Publication date Apr 18, 2024
- Mitsubishi Electric Corporation
- Kazuyuki ONOE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER, SEMICONDUCTOR LASER ARRAY AND METHOD OF MANUFA...
- Publication number 20210218220
- Publication date Jul 15, 2021
- Mitsubishi Electric Corporation
- Yohei HOKAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20200387017
- Publication date Dec 10, 2020
- MITSUBISHI ELECTRIC CORPORATION
- Yuichiro HORIGUCHI
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR OPTICAL WAVEGUIDE AND OPTICAL INTEGRATED ELEMENT
- Publication number 20200274329
- Publication date Aug 27, 2020
- MITSUBISHI ELECTRIC CORPORATION
- Yohei HOKAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL MODULATOR ELEMENT, OPTICAL MODULATION MODULE INCLUDING OPTI...
- Publication number 20170242316
- Publication date Aug 24, 2017
- MITSUBISHI ELECTRIC CORPORATION
- Yuichiro HORIGUCHI
- G02 - OPTICS