Kiyoshi Tsubata

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display of information for two oppositely situated users
- Patent number 7,493,566
- Issue date Feb 17, 2009
- International Business Machines Corporation
- Amane Nakajima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Display of information for two oppositely situated users
- Publication number 20070143690
- Publication date Jun 21, 2007
- Amane Nakajima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS