Hideki Matsuoka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid sealed damper for opening and closing member
- Patent number 11,773,938
- Issue date Oct 3, 2023
- YAMASHITA RUBBER CO., LTD.
- Yuichi Nakamaru
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER
- Publication number 20220127890
- Publication date Apr 28, 2022
- YAMASHITA RUBBER CO., LTD.
- Yuichi Nakamaru
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER
- Publication number 20220127891
- Publication date Apr 28, 2022
- YAMASHITA RUBBER CO., LTD.
- Yuichi Nakamaru
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER
- Publication number 20220128112
- Publication date Apr 28, 2022
- YAMASHITA RUBBER CO., LTD.
- Yuichi Nakamaru
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES