Kazuhiro Ohki

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sound pickup apparatus and echo cancellation processing method
- Patent number 8,238,547
- Issue date Aug 7, 2012
- Sony Corporation
- Kazuhiro Ohki
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Data sharing system, transmitting terminal apparatus, transmitting...
- Patent number 7,443,882
- Issue date Oct 28, 2008
- Sony Corporation
- Kazuhiro Ohki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-core optical fiber inspecting method and apparatus
- Patent number 6,456,369
- Issue date Sep 24, 2002
- Ando Electric Co., Ltd.
- Kazuhiro Ohki
- G02 - OPTICS
Information Patent Grant
Apparatus for verifying wire gauges of multi-core optical fiber
- Patent number 6,111,635
- Issue date Aug 29, 2000
- Ando Electric Co., Ltd.
- Rikihiro Iida
- G01 - MEASURING TESTING
Information Patent Grant
High-reflection attenuating light interception apparatus
- Patent number 5,937,122
- Issue date Aug 10, 1999
- Ando Electric Co., Ltd.
- Kazuhiro Ohki
- G02 - OPTICS
Information Patent Grant
Optical signal band-pass filter module
- Patent number 5,225,942
- Issue date Jul 6, 1993
- Ando Electric Co., Ltd.
- Hideki Ikeno
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Sound pickup apparatus and echo cancellation processing method
- Publication number 20050254640
- Publication date Nov 17, 2005
- Kazuhiro Ohki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sound pickup apparatus and method of the same
- Publication number 20050207566
- Publication date Sep 22, 2005
- SONY CORPORATION
- Kazuhiro Ohki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data sharing system, transmitting terminal apparatus, transmitting...
- Publication number 20040184414
- Publication date Sep 23, 2004
- Kazuhiro Ohki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE