Yohei Takaishi

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Duplex optical connector plug
- Patent number 11,415,756
- Issue date Aug 16, 2022
- Seikoh Giken Co., Ltd.
- Junji Taira
- G02 - OPTICS
Information Patent Grant
Optical connector plug and duplex optical connector plug
- Patent number 10,488,601
- Issue date Nov 26, 2019
- Seikoh Giken Co., Ltd.
- Junji Taira
- G02 - OPTICS
Information Patent Grant
Ferrule polishing method of duplex optical connector plug
- Patent number 10,042,126
- Issue date Aug 7, 2018
- SEIKOH GIKEN Co., Ltd.
- Junji Taira
- G02 - OPTICS
Information Patent Grant
Duplex optical connector plug and polarity reversal method of duple...
- Patent number 10,042,129
- Issue date Aug 7, 2018
- SEIKOH GIKEN Co., Ltd.
- Junji Taira
- G02 - OPTICS
Information Patent Grant
Tool for plug, plug and cable with plug
- Patent number 9,958,623
- Issue date May 1, 2018
- Seikoh Giken Co., Ltd.
- Junji Taira
- G02 - OPTICS
Information Patent Grant
Plug and cable with plug
- Patent number 9,941,631
- Issue date Apr 10, 2018
- Seikoh Giken Co., Ltd.
- Junji Taira
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical connector assembly and optical connector adapter with shutter
- Patent number 9,366,827
- Issue date Jun 14, 2016
- Seikoh Giken Co., Ltd.
- Junji Taira
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DUPLEX OPTICAL CONNECTOR PLUG
- Publication number 20210286134
- Publication date Sep 16, 2021
- Seikoh Giken Co., Ltd.
- Junji TAIRA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL CONNECTOR PLUG AND DUPLEX OPTICAL CONNECTOR PLUG
- Publication number 20190033531
- Publication date Jan 31, 2019
- SEIKOH GIKEN Co., Ltd.
- Junji TAIRA
- G02 - OPTICS
Information Patent Application
FERRULE POLISHING METHOD OF DUPLEX OPTICAL CONNECTOR PLUG
- Publication number 20180088283
- Publication date Mar 29, 2018
- Seikoh Giken Co., Ltd.
- Junji TAIRA
- G02 - OPTICS
Information Patent Application
DUPLEX OPTICAL CONNECTOR PLUG AND POLARITY REVERSAL METHOD OF DUPLE...
- Publication number 20180088288
- Publication date Mar 29, 2018
- Seikoh Giken Co., Ltd.
- Junji TAIRA
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR ASSEMBLY AND OPTICAL CONNECTOR ADAPTER WITH SHUTTER
- Publication number 20160062051
- Publication date Mar 3, 2016
- SEIKOH GIKEN Co., Ltd.
- Junji Taira
- G02 - OPTICS