Kazumi Oka

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stacked connector
- Patent number 11,404,814
- Issue date Aug 2, 2022
- SUMITOMO WIRING SYSTEMS, LTD.
- Kazumi Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Connector
- Patent number 10,559,908
- Issue date Feb 11, 2020
- Sumitomo Wiring Systems, Ltd.
- Kazumi Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waterproof connector
- Patent number 10,418,745
- Issue date Sep 17, 2019
- Sumitomo Wiring Systems, Ltd.
- Kazumi Oka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Male terminal fitting
- Patent number 9,356,375
- Issue date May 31, 2016
- Sumitomo Wiring Systems, Ltd.
- Kazumi Oka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CONNECTOR
- Publication number 20250167480
- Publication date May 22, 2025
- Sumitomo Wiring Systems, Ltd.
- Kazumi OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONNECTOR
- Publication number 20250149829
- Publication date May 8, 2025
- Sumitomo Wiring Systems, Ltd.
- Kazumi OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONNECTOR
- Publication number 20210167542
- Publication date Jun 3, 2021
- Sumitomo Wiring Systems, Ltd.
- Kazumi OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONNECTOR
- Publication number 20210167543
- Publication date Jun 3, 2021
- Sumitomo Wiring Systems, Ltd.
- Kazumi OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONNECTOR
- Publication number 20190273338
- Publication date Sep 5, 2019
- SUMITOMO WIRING SYSTEMS, LTD.
- Kazumi Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WATERPROOF CONNECTOR
- Publication number 20190173222
- Publication date Jun 6, 2019
- SUMITOMO WIRING SYSTEMS, LTD.
- Kazumi Oka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
MALE TERMINAL FITTING
- Publication number 20150280330
- Publication date Oct 1, 2015
- SUMITOMO WIRING SYSTEMS, LTD.
- Kazumi Oka
- H01 - BASIC ELECTRIC ELEMENTS