Tetsuo Ozawa

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Tastuno-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Portable terminal and management system
- Patent number 8,612,221
- Issue date Dec 17, 2013
- Seiko Epson Corporation
- Junichi Yoshizawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Customer Service Data Recording Device, Customer Service Data Recor...
- Publication number 20110282662
- Publication date Nov 17, 2011
- SEIKO EPSON CORPORATION
- Masashi Aonuma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PORTABLE TERMINAL AND MANAGEMENT SYSTEM
- Publication number 20100198591
- Publication date Aug 5, 2010
- SEIKO EPSON CORPORATION
- Junichi Yoshizawa
- G06 - COMPUTING CALCULATING COUNTING