Yoshio Asayama

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Chigasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication device of mobile unit
- Patent number 7,283,810
- Issue date Oct 16, 2007
- Komatsu Ltd.
- Shuji Arakawa
- G08 - SIGNALLING
Information Patent Grant
Device for presenting information to mobile
- Patent number 7,149,530
- Issue date Dec 12, 2006
- Komatsu Ltd.
- Shuji Arakawa
- G08 - SIGNALLING