Jun-Ichi Maruyama

Follow

Person

Nagaoka,Niigata, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Organic EL element
- Patent number 6,975,066
- Issue date Dec 13, 2005
- Nippon Seiki Co., Ltd.
- Hitoshi Wakai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Luminous display unit
- Patent number 6,570,337
- Issue date May 27, 2003
- Nippon Seiki Co., Ltd.
- Hitoshi Wakai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Organic el element
- Publication number 20020163298
- Publication date Nov 7, 2002
- Hitoshi Wakai
- H01 - BASIC ELECTRIC ELEMENTS