Toshikazu Yamaoka

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Sakae-machi Imba-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Protection device
- Patent number 12,224,145
- Issue date Feb 11, 2025
- Littelfuse, Japan G.K.
- Toshikazu Yamaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive electrode lead and alkaline secondary battery
- Patent number 9,935,307
- Issue date Apr 3, 2018
- FDK Corporation
- Erika Ido
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
THERMAL PROTECTION DEVICE TO WITHSTAND HIGH VOLTAGE
- Publication number 20230245804
- Publication date Aug 3, 2023
- LITTELFUSE, INC.
- TOSHIKAZU YAMAOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROTECTION DEVICE
- Publication number 20230097068
- Publication date Mar 30, 2023
- Littelfuse, Japan G.K.
- Toshikazu YAMAOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRODE
- Publication number 20170279107
- Publication date Sep 28, 2017
- LITTELFUSE JAPAN G.K.
- Toshikazu YAMAOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PTC DEVICE AND SECONDARY BATTERY HAVING SAME
- Publication number 20170278600
- Publication date Sep 28, 2017
- LITTELFUSE JAPAN G.K.
- Arata Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Protection Device
- Publication number 20160189897
- Publication date Jun 30, 2016
- TYCO ELECTRONICS JAPAN G.K.
- Takashi Hasunuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ELECTRODE LEAD AND ALKALINE SECONDARY BATTERY
- Publication number 20150303445
- Publication date Oct 22, 2015
- FDK CORPORATION
- Erika Ido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PTC Device and Secondary Battery Having the Same
- Publication number 20130196182
- Publication date Aug 1, 2013
- Tyco Electronics Japan G.K.
- Arata Tanaka
- H01 - BASIC ELECTRIC ELEMENTS