Yoshiaki Kurokawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical memory reproduction apparatus and incidence positioning met...
- Patent number 7,505,644
- Issue date Mar 17, 2009
- Nippon Telephone and Telegraph Corporation
- Yoshiaki Kurokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Information coding apparatus, information decoding apparatus, and m...
- Patent number 7,469,066
- Issue date Dec 23, 2008
- Nippon Telegraph and Telephone Corporation
- Masahiro Endo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Two dimensional image recording and reproducing scheme using simila...
- Patent number 7,082,225
- Issue date Jul 25, 2006
- Nippon Telegraph and Telephone Corporation
- Masahiro Endo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical waveguide, holographic medium, holographic storage and retr...
- Patent number 7,046,892
- Issue date May 16, 2006
- Nippon Telegraph and Telephone Corporation
- Hiroshi Yoshikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Information reading apparatus and information recording medium
- Patent number 6,729,541
- Issue date May 4, 2004
- Nippon Telegraph and Telephone Corporation
- Yoshiaki Kurokawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical memory reproduction apparatus and incidence positioning met...
- Publication number 20070147749
- Publication date Jun 28, 2007
- NTT Intellectual Property Center
- Yoshiaki Kurokawa
- G11 - INFORMATION STORAGE
Information Patent Application
Information coding apparatus, information decoding apparatus, and m...
- Publication number 20050226515
- Publication date Oct 13, 2005
- Nippon Telegraph and Telephone Corporation
- Masahiro Endo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Two dimensional image recording and reproducing scheme using simila...
- Publication number 20030044084
- Publication date Mar 6, 2003
- Masahiro Endo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical waveguide, holographic medium, holographic storage and retr...
- Publication number 20030026542
- Publication date Feb 6, 2003
- Nippon Telegraph and Telephone Corporation
- Hiroshi Yoshikawa
- G02 - OPTICS