Membership
Tour
Register
Log in
Toyohito Asanuma
Follow
Person
Yokohama-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Optical disk and method of producing the same
Patent number
6,957,444
Issue date
Oct 18, 2005
Victor Company of Japan, Ltd.
Takeo Kojima
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical disc having land pre-pits and variable groove depths
Patent number
6,819,650
Issue date
Nov 16, 2004
Victor Company of Japan, Ltd.
Takayuki Deno
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk substrate and manufacturing method therefor, and disk manufact...
Patent number
6,733,957
Issue date
May 11, 2004
Victor Company of Japan
Toyohito Asanuma
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Optical disk and method of producing the same
Publication number
20030210644
Publication date
Nov 13, 2003
Takeo Kojima
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Optical disc substrate and manufacturing method of optical disc mas...
Publication number
20020093906
Publication date
Jul 18, 2002
Takayuki Deno
G11 - INFORMATION STORAGE
Information
Patent Application
Disk substrate and manufacturing method therefor, and disk manufact...
Publication number
20020090580
Publication date
Jul 11, 2002
Toyohito Asanuma
G11 - INFORMATION STORAGE