Kouzo Iwami

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Outside leakage preventing system of confidential information
- Patent number 7,114,081
- Issue date Sep 26, 2006
- Graphin Co., Ltd.
- Kiyoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Computer-assisted apparatus
- Publication number 20050239031
- Publication date Oct 27, 2005
- GRAPHIN CO., LTD.
- Kiyoshi Watanabe
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Computer-assisted apparatus, method and program for learning
- Publication number 20040175689
- Publication date Sep 9, 2004
- GRAPHIN CO., LTD
- Kiyoshi Watanabe
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Outside leakage preventing system of confidential information
- Publication number 20030065937
- Publication date Apr 3, 2003
- GRAPHIN CO., LTD
- Kiyoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING