Keiichi Nakajima

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Minato-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Amusement system
- Patent number 9,779,581
- Issue date Oct 3, 2017
- Konami Digital Entertainment Co., Ltd.
- Tomoaki Fujii
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
AMUSEMENT SYSTEM
- Publication number 20150087423
- Publication date Mar 26, 2015
- KONAMI DIGITAL ENTERTAINMENT CO., LTD.
- Tomoaki Fujii
- G07 - CHECKING-DEVICES