Hiromasa Tsunashima

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Kobe-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Golf club head
- Patent number 11,504,587
- Issue date Nov 22, 2022
- Sumitomo Rubber Industries, Ltd.
- Hiromasa Tsunashima
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf club head with deformation portion
- Patent number 10,870,041
- Issue date Dec 22, 2020
- Sumitomo Rubber Industries, Ltd.
- Hiromasa Tsunashima
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf club head
- Patent number 10,744,378
- Issue date Aug 18, 2020
- Sumitomo Rubber Industries, Ltd.
- Masahide Onuki
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf club head
- Patent number 10,537,769
- Issue date Jan 21, 2020
- Sumitomo Rubber Industries, Ltd.
- Masahide Onuki
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf club head
- Patent number 10,286,265
- Issue date May 14, 2019
- Sumitomo Rubber Industries, Ltd.
- Hiromasa Tsunashima
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Fiber-reinforced epoxy resin material, prepreg and, tubular body ma...
- Patent number 9,840,058
- Issue date Dec 12, 2017
- Dunlop Sports Co. Ltd.
- Hiromasa Tsunashima
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf ball
- Patent number 8,907,020
- Issue date Dec 9, 2014
- SRI Sports Limited
- Hiromasa Tsunashima
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
GOLF CLUB HEAD
- Publication number 20210154537
- Publication date May 27, 2021
- Sumitomo Rubber Industries, Ltd.
- Hiromasa TSUNASHIMA
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
GOLF CLUB HEAD
- Publication number 20190374823
- Publication date Dec 12, 2019
- Sumitomo Rubber Industries, Ltd.
- Hiromasa TSUNASHIMA
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
GOLF CLUB HEAD
- Publication number 20190262669
- Publication date Aug 29, 2019
- Sumitomo Rubber Industries, Ltd.
- Masahide ONUKI
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
GOLF CLUB HEAD
- Publication number 20180296888
- Publication date Oct 18, 2018
- Sumitomo Rubber Industries, Ltd.
- Masahide ONUKI
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
GOLF CLUB HEAD
- Publication number 20180250559
- Publication date Sep 6, 2018
- Sumitomo Rubber Industries, Ltd.
- Hiromasa TSUNASHIMA
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
FIBER-REINFORCED EPOXY RESIN MATERIAL, PREPREG AND, TUBULAR BODY MA...
- Publication number 20150290900
- Publication date Oct 15, 2015
- DUNLOP SPORTS CO., LTD.
- Hiromasa Tsunashima
- B32 - LAYERED PRODUCTS
Information Patent Application
GOLF BALL
- Publication number 20120149496
- Publication date Jun 14, 2012
- Hiromasa Tsunashima
- A63 - SPORTS GAMES AMUSEMENTS