Keisuke Yamazaki

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Miyagi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotary operating device
- Patent number 11,935,710
- Issue date Mar 19, 2024
- Alps Alpine Co., Ltd.
- Kazuya Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spring contact and method of manufacturing same
- Patent number 10,446,966
- Issue date Oct 15, 2019
- Alps Alpine Co., Ltd.
- Toshiharu Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spring contact, socket including spring contact, and method for man...
- Patent number 10,033,125
- Issue date Jul 24, 2018
- Alps Electric Co., Ltd.
- Yoshimasa Kuroda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ROTARY OPERATING DEVICE
- Publication number 20230016718
- Publication date Jan 19, 2023
- ALPS ALPINE CO., LTD.
- Kazuya SASAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPRING CONTACT AND METHOD OF MANUFACTURING SAME
- Publication number 20190097345
- Publication date Mar 28, 2019
- Alps Electric Co., Ltd.
- Toshiharu MORI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPRING CONTACT, SOCKET INCLUDING SPRING CONTACT, AND METHOD FOR MAN...
- Publication number 20180013222
- Publication date Jan 11, 2018
- Yoshimasa Kuroda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPRING CONTACT AND SOCKET INCLUDING SPRING CONTACT
- Publication number 20180013217
- Publication date Jan 11, 2018
- Alps Electric Co., Ltd.
- Yoshimasa Kuroda
- H01 - BASIC ELECTRIC ELEMENTS