Kazuyoshi Kojima

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Internet communication system, internet communication method, sessi...
- Patent number 7,298,733
- Issue date Nov 20, 2007
- IP Talk Corporation
- Hiroaki Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of making a solar battery
- Patent number 6,379,995
- Issue date Apr 30, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Yoshitatsu Kawama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Internet communication system, internet communication method, sessi...
- Publication number 20040243712
- Publication date Dec 2, 2004
- Hiroaki Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE