Membership
Tour
Register
Log in
Kenzo Nakagawa
Follow
Person
Yokohama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of making master for manufacturing optical disc and method o...
Patent number
8,119,043
Issue date
Feb 21, 2012
Sony Corporation
Shinichi Kai
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of making master for manufacturing optical disc and method o...
Patent number
7,648,671
Issue date
Jan 19, 2010
Sony Corporation
Shinichi Kai
G11 - INFORMATION STORAGE
Information
Patent Grant
Elastic support assembly for disk device for disk recording apparat...
Patent number
6,741,802
Issue date
May 25, 2004
Sony Corporation
Kenzo Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium driver
Patent number
6,246,829
Issue date
Jun 12, 2001
Sony Corporation
Kenzo Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc cartridge
Patent number
5,043,974
Issue date
Aug 27, 1991
Sony Corporation
Kenzo Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Device for opening and closing a shutter member of a disk cartridge
Patent number
4,688,206
Issue date
Aug 18, 1987
Sony Corporation
Kenzo Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Brushless DC motor
Patent number
4,220,879
Issue date
Sep 2, 1980
Sony Corporation
Susumu Hoshimi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Manufacturing process of original disc for producing optical disc a...
Publication number
20050161842
Publication date
Jul 28, 2005
SONY CORPORATION
Shinichi Kai
G11 - INFORMATION STORAGE
Information
Patent Application
Method for producing stamper used for producing optical disc and op...
Publication number
20050128926
Publication date
Jun 16, 2005
Shinichi Kai
G11 - INFORMATION STORAGE