Koichi Hatta

Follow

Person

Gumma, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Unfair contents appropriation detection system, computer program an...
- Patent number 7,085,397
- Issue date Aug 1, 2006
- Oki Electric Industry Co. Ltd.
- Koichi Hatta
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Portable electronic device, security system and method for determin...
- Publication number 20090021350
- Publication date Jan 22, 2009
- Oki Electric Industry Co., Ltd.
- Koichi Hatta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Unfair contents appropriation detection system, computer program an...
- Publication number 20030012405
- Publication date Jan 16, 2003
- Koichi Hatta
- G06 - COMPUTING CALCULATING COUNTING