Ikunobu Usui

Follow

Person

Higashimurayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multiprojection system
- Patent number 5,988,817
- Issue date Nov 23, 1999
- RDS Corporation
- Nobuyuki Mizushima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS