Membership
Tour
Register
Log in
Yoshiyuki Tokumoto
Follow
Person
Kanagawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Multi-layered rewritable optical disc recording apparatus and recor...
Patent number
8,213,284
Issue date
Jul 3, 2012
Sony Corporation
Tetsuji Kawashima
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium, recording and reproduction apparatus, and recordi...
Patent number
7,227,831
Issue date
Jun 5, 2007
Sony Corporation
Yoshiyuki Tokumoto
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Recording apparatus and recording method
Publication number
20060274626
Publication date
Dec 7, 2006
Sony Corporation
Tetsuji Kawashima
G11 - INFORMATION STORAGE
Information
Patent Application
Recording medium, recording and reproduction apparatus, and recordi...
Publication number
20050030864
Publication date
Feb 10, 2005
SONY CORPORATION
Yoshiyuki Tokumoto
G11 - INFORMATION STORAGE