Yoshimi Koyama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image input device
- Patent number 7,171,088
- Issue date Jan 30, 2007
- Sony Corporation
- Yoshimi Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Map display
- Patent number 6,694,254
- Issue date Feb 17, 2004
- Sony Corporation
- Yoshimi Koyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Map display
- Patent number 6,505,116
- Issue date Jan 7, 2003
- Sony Corporation
- Yoshimi Koyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Image input device
- Publication number 20030103744
- Publication date Jun 5, 2003
- Yoshimi Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Map display
- Publication number 20030078725
- Publication date Apr 24, 2003
- Sony Corporation
- Yoshimi Koyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS