Masahiko Iso

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for printing on synthetic resin molded body and headphone ho...
- Patent number 5,227,099
- Issue date Jul 13, 1993
- Sony Corporation
- Yoshiyuki Kamon
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for printing on synthetic resin molded body and headphone ho...
- Patent number 5,224,171
- Issue date Jun 29, 1993
- Sony Corporation
- Yoshiyuki Kamon
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electro-acoustic transducer
- Patent number 4,981,194
- Issue date Jan 1, 1991
- Sony Corporation
- Yoshiyuki Kamon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE