Takaharu Kitada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information processing system, hand held cellular phone, and inform...
- Patent number RE45767
- Issue date Oct 20, 2015
- Sony Corporation
- Takaharu Kitada
- 001 -
Information Patent Grant
Information processing system, hand held cellular phone, and inform...
- Patent number RE43680
- Issue date Sep 25, 2012
- Sony Corporation
- Takaharu Kitada
- 235 - Registers
Information Patent Grant
Information processing system, hand held cellular phone, and inform...
- Patent number 7,458,514
- Issue date Dec 2, 2008
- Sony Corporation
- Takaharu Kitada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Authentication system authentication method authentication medium m...
- Patent number 7,337,957
- Issue date Mar 4, 2008
- Sony Corporation
- Koji Ashizaki
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Information processing system, hand held cellular phone, and inform...
- Patent number 7,299,988
- Issue date Nov 27, 2007
- Sony Corporation
- Takaharu Kitada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for preventing data copying from a disk using...
- Patent number 5,832,088
- Issue date Nov 3, 1998
- Sony Corporation
- Heitaro Nakajima
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Information processing system, hand held cellular phone, and inform...
- Publication number 20060049259
- Publication date Mar 9, 2006
- Sony Corporation
- Takaharu Kitada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Authentication system authentication method authentication medium m...
- Publication number 20050129281
- Publication date Jun 16, 2005
- Koji Ashizaki
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER