Takeshi Chikazawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Encrypting apparatus
- Patent number 7,333,609
- Issue date Feb 19, 2008
- Mitsubishi Denki Kabushiki Kaisha
- Tomomi Kasuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication system using an encryption/decryption device
- Patent number 7,058,390
- Issue date Jun 6, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Takeshi Chikazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Encrypting apparatus
- Publication number 20040131186
- Publication date Jul 8, 2004
- Tomomi Kasuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE