DENKI KOGYO CO., LTD.

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Tokyo, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Cassette case with integrated adapter for optical connector
- Patent number 12,360,326
- Issue date Jul 15, 2025
- Sanwa Denki Kogyo Co., Ltd.
- Yasuhiro Watanabe
- G02 - OPTICS
Information Patent Grant
Induction heating device, radioactive waste melting process device...
- Patent number 11,570,856
- Issue date Jan 31, 2023
- Denki Kogyo Company, Limited
- Yohei Awata
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Connection detecting mechanism of optical connector plug
- Patent number 10,983,287
- Issue date Apr 20, 2021
- Sanwa Denki Kogyo Co., Ltd.
- Tomoya Terashima
- G02 - OPTICS
Information Patent Grant
Adapter with LC-type two-core shutter
- Patent number 10,890,731
- Issue date Jan 12, 2021
- Sanwa Denki Kogyo Co., Ltd.
- Yasuhiro Watanabe
- G02 - OPTICS
Information Patent Grant
LC-type simplified optical connector
- Patent number 10,823,916
- Issue date Nov 3, 2020
- Sanwa Denki Kogyo Co., Ltd.
- Takashi Sato
- G02 - OPTICS
Information Patent Grant
Miniature adapter for MPO plug
- Patent number 10,739,527
- Issue date Aug 11, 2020
- Sanwa Denki Kogyo Co., Ltd.
- Yasuhiro Watanabe
- G02 - OPTICS
Information Patent Grant
Leaky-wave antenna
- Patent number 10,665,954
- Issue date May 26, 2020
- Denki Kogyo Company, Limited
- Takayoshi Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical adapter with shutter
- Patent number 10,545,295
- Issue date Jan 28, 2020
- Sanwa Denki Kogyo Co., Ltd.
- Takashi Sato
- G02 - OPTICS
Information Patent Grant
Optical connector
- Patent number 10,520,685
- Issue date Dec 31, 2019
- Sanwa Denki Kogyo Co., Ltd.
- Yasuhiro Watanabe
- G02 - OPTICS
Information Patent Grant
Heat-treatment device and heat-treatment method
- Patent number 10,422,014
- Issue date Sep 24, 2019
- THK Co., Ltd
- Junzo Shimbe
- C21 - METALLURGY OF IRON
Information Patent Grant
Leaky-wave antenna
- Patent number 10,367,268
- Issue date Jul 30, 2019
- Denki Kogyo Company, Limited
- Ichiro Oshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tab for optical connector engagement and disengagement
- Patent number 10,317,630
- Issue date Jun 11, 2019
- Sanwa Denki Kogyo Co., Ltd.
- Yasuhiro Watanabe
- G02 - OPTICS
Information Patent Grant
Protection cap for optical connector plug
- Patent number 10,209,457
- Issue date Feb 19, 2019
- Sanwa Denki Kogyo Co., Ltd.
- Yasuhiro Watanabe
- G02 - OPTICS
Information Patent Grant
Patch panel
- Patent number 10,139,581
- Issue date Nov 27, 2018
- Sanwa Denki Kogyo Co., Ltd.
- Nobuo Ishimine
- G02 - OPTICS
Information Patent Grant
Base station antenna apparatus for mobile communication system
- Patent number 10,056,990
- Issue date Aug 21, 2018
- Denki Kogyo Company, Limited
- Yukitaka Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Boot for optical connector ferrule
- Patent number 9,891,391
- Issue date Feb 13, 2018
- SANWA DENKI KOGYO CO. LTD.
- Yasuhiro Watanabe
- G02 - OPTICS
Information Patent Grant
Boot for optical connector ferrule
- Patent number 9,778,423
- Issue date Oct 3, 2017
- Sanwa Denki Kogyo Co., Ltd.
- Yasuhiro Watanabe
- G02 - OPTICS
Information Patent Grant
Optical connector ferrule
- Patent number 9,684,137
- Issue date Jun 20, 2017
- Sanwa Denki Kogyo Co., Ltd.
- Yasuhiro Watanabe
- G02 - OPTICS
Information Patent Grant
Transfer mechanism structure
- Patent number 9,581,207
- Issue date Feb 28, 2017
- Denki Kogyo Company, Limited
- Makoto Tokieda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Dustcap for optical adapter
- Patent number D772170
- Issue date Nov 22, 2016
- Sanwa Denki Kogyo Co., Ltd.
- Yasuhiro Watanabe
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Dust proofing shutter built-in adapter of LC type optical connector
- Patent number 9,453,963
- Issue date Sep 27, 2016
- Sanwa Denki Kogyo Co., Ltd.
- Takashi Sato
- G02 - OPTICS
Information Patent Grant
Transmitting-receiving-separated dual-polarization antenna
- Patent number 9,379,434
- Issue date Jun 28, 2016
- Denki Kogyo Co., Ltd.
- Keisuke Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Backlash prevention mechanism of adapter for optical connector
- Patent number 9,229,177
- Issue date Jan 5, 2016
- Sanwa Denki Kogyo Co., Ltd.
- Takashi Sato
- G02 - OPTICS
Information Patent Grant
Interconnecting adapter for LC type optical connectors
- Patent number 9,128,255
- Issue date Sep 8, 2015
- Sanwa Denki Kogyo Co., Ltd.
- Takashi Sato
- G02 - OPTICS
Information Patent Grant
Optical connector plug
- Patent number 9,052,471
- Issue date Jun 9, 2015
- Sanwa Denki Kogyo Co., Ltd.
- Yasusuke Hioki
- G02 - OPTICS
Information Patent Grant
Heat treatment method
- Patent number 8,845,831
- Issue date Sep 30, 2014
- Denki Kogyo Co., Ltd.
- Seiichi Sawatsubashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Optical connector plug with shutter
- Patent number 8,317,407
- Issue date Nov 27, 2012
- Sanwa Denki Kogyo Co., Ltd.
- Yasusuke Hioki
- G02 - OPTICS
Information Patent Grant
Adapter for optical connector
- Patent number D608285
- Issue date Jan 19, 2010
- Sanwa Denki Kogyo Co., Ltd.
- Takashi Sato
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Optical connector plug
- Patent number 7,588,373
- Issue date Sep 15, 2009
- Sanwa Denki Kogyo Co., Ltd.
- Takashi Sato
- G02 - OPTICS
Information Patent Grant
Connecting structure of optical connectors
- Patent number 7,555,192
- Issue date Jun 30, 2009
- Sanwa Denki Kogyo Co., Ltd.
- Takuji Ishii
- G02 - OPTICS

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Patents Applicationslast 30 patents

Information Patent Application
CASSETTE CASE WITH INTEGRATED ADAPTER FOR OPTICAL CONNECTOR
- Publication number 20240004155
- Publication date Jan 4, 2024
- SANWA DENKI KOGYO CO., LTD.
- YASUHIRO WATANABE
- G02 - OPTICS
Information Patent Application
VARIABLE REFLECT ARRAY, AND METHOD FOR DESIGNING VARIABLE REFLECTOR...
- Publication number 20230378644
- Publication date Nov 23, 2023
- Denki Kogyo Company, Limited
- Takayoshi SASAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHUTTER SHAFT HOLDING STRUCTURE IN ADAPTER WITH SHUTTER
- Publication number 20220011520
- Publication date Jan 13, 2022
- SANWA DENKI KOGYO CO., LTD.
- Takashi SATO
- G02 - OPTICS
Information Patent Application
OPTICAL MODULE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20210396943
- Publication date Dec 23, 2021
- SANWA DENKI KOGYO CO., LTD.
- Masahiko NAMIWAKA
- G02 - OPTICS
Information Patent Application
INDUCTION HEATING DEVICE, RADIOACTIVE WASTE MELTING PROCESS DEVICE...
- Publication number 20210092804
- Publication date Mar 25, 2021
- Denki Kogyo Company, Limited
- Yohei AWATA
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
ADAPTER WITH LC-TYPE TWO-CORE SHUTTER
- Publication number 20200132956
- Publication date Apr 30, 2020
- SANWA DENKI KOGYO CO., LTD.
- Yasuhiro WATANABE
- G02 - OPTICS
Information Patent Application
LC-TYPE SIMPLIFIED OPTICAL CONNECTOR
- Publication number 20200096708
- Publication date Mar 26, 2020
- SANWA DENKI KOGYO CO., LTD.
- Takashi SATO
- G02 - OPTICS
Information Patent Application
CONNECTION DETECTING MECHANISM OF OPTICAL CONNECTOR PLUG
- Publication number 20200088949
- Publication date Mar 19, 2020
- SANWA DENKI KOGYO CO., LTD.
- Tomoya TERASHIMA
- G02 - OPTICS
Information Patent Application
MINIATURE ADAPTER FOR MPO PLUG
- Publication number 20190317281
- Publication date Oct 17, 2019
- SANWA DENKI KOGYO CO., LTD.
- Yasuhiro WATANABE
- G02 - OPTICS
Information Patent Application
LC-TYPE SIMPLIFIED CONNECTOR PLUG AND OPTICAL CONNECTOR DEVICE USIN...
- Publication number 20190278032
- Publication date Sep 12, 2019
- SANWA DENKI KOGYO CO., LTD.
- Takashi SATO
- G02 - OPTICS
Information Patent Application
LEAKY-WAVE ANTENNA
- Publication number 20190273324
- Publication date Sep 5, 2019
- Denki Kogyo Company, Limited
- Takayoshi Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL CONNECTOR
- Publication number 20190235183
- Publication date Aug 1, 2019
- SANWA DENKI KOGYO CO., LTD.
- Yasuhiro WATANABE
- G02 - OPTICS
Information Patent Application
TAB FOR OPTICAL CONNECTOR
- Publication number 20190079252
- Publication date Mar 14, 2019
- SANWA DENKI KOGYO CO., LTD.
- Yasuhiro WATANABE
- G02 - OPTICS
Information Patent Application
PATCH PANEL
- Publication number 20180314024
- Publication date Nov 1, 2018
- SANWA DENKI KOGYO CO., LTD.
- Nobuo ISHIMINE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROTECTION CAP FOR OPTICAL CONNECTOR PLUG
- Publication number 20180095226
- Publication date Apr 5, 2018
- SANWA DENKI KOGYO CO., LTD.
- Yasuhiro WATANABE
- G02 - OPTICS
Information Patent Application
PULL-OUT TAB OF OPTICAL CONNECTOR PLUG
- Publication number 20180081129
- Publication date Mar 22, 2018
- SANWA DENKI KOGYO CO., LTD.
- Tomoaki KAGA
- G02 - OPTICS
Information Patent Application
LEAKY-WAVE ANTENNA
- Publication number 20180040961
- Publication date Feb 8, 2018
- Denki Kogyo Company, Limited
- Ichiro Oshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BASE STATION ANTENNA APPARATUS FOR MOBILE COMMUNICATION SYSTEM
- Publication number 20170346576
- Publication date Nov 30, 2017
- Denki Kogyo Company, Limited
- Yukitaka Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HOLDER DEVICE FOR OPTICAL ADAPTER
- Publication number 20170248762
- Publication date Aug 31, 2017
- SANWA DENKI KOGYO CO., LTD.
- Takashi SATO
- G02 - OPTICS
Information Patent Application
BOOT FOR OPTICAL CONNECTOR FERRULE
- Publication number 20170160494
- Publication date Jun 8, 2017
- SANWA DENKI KOGYO CO., LTD.
- Yasuhiro WATANABE
- G02 - OPTICS
Information Patent Application
HIGH FREQUENCY INDUCTION CONTINUOUS HEATING METHOD AND HIGH FREQUEN...
- Publication number 20170013682
- Publication date Jan 12, 2017
- Denki Kogyo Company, Limited
- Kouichi Miyashita
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT-TREATMENT DEVICE AND HEAT-TREATMENT METHOD
- Publication number 20160369366
- Publication date Dec 22, 2016
- THK CO., LTD.
- Junzo Shimbe
- C21 - METALLURGY OF IRON
Information Patent Application
BOOT FOR OPTICAL CONNECTOR FERRULE
- Publication number 20160356965
- Publication date Dec 8, 2016
- SANWA DENKI KOGYO CO., LTD.
- Yasuhiro WATANABE
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR FERRULE
- Publication number 20160320570
- Publication date Nov 3, 2016
- SANWA DENKI KOGYO CO., LTD.
- Yasuhiro WATANABE
- G02 - OPTICS
Information Patent Application
TRANSFER MECHANISM STRUCTURE
- Publication number 20160123406
- Publication date May 5, 2016
- Denki Kogyo Company, Limited
- Makoto Tokieda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TWO CORE TYPE OPTICAL CONNECTOR PLUG
- Publication number 20160047993
- Publication date Feb 18, 2016
- SANWA DENKI KOGYO CO., LTD.
- Yasusuke HIOKI
- G02 - OPTICS
Information Patent Application
BACKLASH PREVENTION MECHANISM OF ADAPTER FOR OPTICAL CONNECTOR
- Publication number 20160018607
- Publication date Jan 21, 2016
- SANWA DENKI KOGYO CO., LTD.
- Takashi SATO
- G02 - OPTICS
Information Patent Application
TRANSMITTING-RECEIVING-SEPARATED DUAL-POLARIZATION ANTENNA
- Publication number 20150180116
- Publication date Jun 25, 2015
- DENKI KOGYO CO., LTD.
- Keisuke Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DUST PROOFING SHUTTER BUILT-IN ADAPTER OF LC TYPE OPTICAL CONNECTOR
- Publication number 20150078710
- Publication date Mar 19, 2015
- SANWA DENKI KOGYO CO., LTD.
- Takashi SATO
- G02 - OPTICS
Information Patent Application
INTERCONNECTING ADAPTER FOR LC TYPE OPTICAL CONNECTORS
- Publication number 20140205239
- Publication date Jul 24, 2014
- SANWA DENKI KOGYO CO., LTD.
- Takashi SATO
- G02 - OPTICS

DENKI KOGYO CO., LTD.

Organization

Patents Grantslast 30 patents

Cassette case with integrated adapter for optical connector

Induction heating device, radioactive waste melting process device...

Connection detecting mechanism of optical connector plug

Adapter with LC-type two-core shutter

LC-type simplified optical connector

Miniature adapter for MPO plug

Leaky-wave antenna

Optical adapter with shutter

Optical connector

Heat-treatment device and heat-treatment method

Leaky-wave antenna

Tab for optical connector engagement and disengagement

Protection cap for optical connector plug

Patch panel

Base station antenna apparatus for mobile communication system

Boot for optical connector ferrule

Boot for optical connector ferrule

Optical connector ferrule

Transfer mechanism structure

Dustcap for optical adapter

Dust proofing shutter built-in adapter of LC type optical connector

Transmitting-receiving-separated dual-polarization antenna

Backlash prevention mechanism of adapter for optical connector

Interconnecting adapter for LC type optical connectors

Optical connector plug

Heat treatment method

Optical connector plug with shutter

Adapter for optical connector

Optical connector plug

Connecting structure of optical connectors

Patents Applicationslast 30 patents

CASSETTE CASE WITH INTEGRATED ADAPTER FOR OPTICAL CONNECTOR

VARIABLE REFLECT ARRAY, AND METHOD FOR DESIGNING VARIABLE REFLECTOR...

SHUTTER SHAFT HOLDING STRUCTURE IN ADAPTER WITH SHUTTER

OPTICAL MODULE AND METHOD OF MANUFACTURING THE SAME

INDUCTION HEATING DEVICE, RADIOACTIVE WASTE MELTING PROCESS DEVICE...

ADAPTER WITH LC-TYPE TWO-CORE SHUTTER

LC-TYPE SIMPLIFIED OPTICAL CONNECTOR

CONNECTION DETECTING MECHANISM OF OPTICAL CONNECTOR PLUG

MINIATURE ADAPTER FOR MPO PLUG

LC-TYPE SIMPLIFIED CONNECTOR PLUG AND OPTICAL CONNECTOR DEVICE USIN...

LEAKY-WAVE ANTENNA

OPTICAL CONNECTOR

TAB FOR OPTICAL CONNECTOR

PATCH PANEL

PROTECTION CAP FOR OPTICAL CONNECTOR PLUG

PULL-OUT TAB OF OPTICAL CONNECTOR PLUG

LEAKY-WAVE ANTENNA

BASE STATION ANTENNA APPARATUS FOR MOBILE COMMUNICATION SYSTEM

HOLDER DEVICE FOR OPTICAL ADAPTER

BOOT FOR OPTICAL CONNECTOR FERRULE

HIGH FREQUENCY INDUCTION CONTINUOUS HEATING METHOD AND HIGH FREQUEN...

HEAT-TREATMENT DEVICE AND HEAT-TREATMENT METHOD

BOOT FOR OPTICAL CONNECTOR FERRULE

OPTICAL CONNECTOR FERRULE

TRANSFER MECHANISM STRUCTURE

TWO CORE TYPE OPTICAL CONNECTOR PLUG

BACKLASH PREVENTION MECHANISM OF ADAPTER FOR OPTICAL CONNECTOR

TRANSMITTING-RECEIVING-SEPARATED DUAL-POLARIZATION ANTENNA

DUST PROOFING SHUTTER BUILT-IN ADAPTER OF LC TYPE OPTICAL CONNECTOR

INTERCONNECTING ADAPTER FOR LC TYPE OPTICAL CONNECTORS