Takaaki Ohta

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Program switching device and method
- Patent number 7,540,010
- Issue date May 26, 2009
- Sony Corporation
- Hiroyuki Hanaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Program switching device and method
- Patent number 6,519,009
- Issue date Feb 11, 2003
- Sony Corporation
- Hiroyuki Hanaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Program switching device and method
- Patent number 5,754,258
- Issue date May 19, 1998
- Sony Corporation
- Hiroyuki Hanaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
THERMOELECTRIC MODULE AND OPTICAL MODULE
- Publication number 20230006123
- Publication date Jan 5, 2023
- KELK LTD.
- Takaaki OHTA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMOELECTRIC MODULE AND OPTICAL MODULE
- Publication number 20220173298
- Publication date Jun 2, 2022
- Tetsushi TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Program switching device and method
- Publication number 20030101452
- Publication date May 29, 2003
- Sony Corporation
- Hiroyuki Hanaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE