Atsushi Koyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information medium substrate and information medium
- Patent number 7,989,099
- Issue date Aug 2, 2011
- TDK Corporation
- Atsushi Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Intermediate for optical recording medium and method of manufacturi...
- Patent number 7,458,088
- Issue date Nov 25, 2008
- TDK Corporation
- Junichi Ide
- G11 - INFORMATION STORAGE
Information Patent Grant
Stamper holder, mold component, and mold assembly
- Patent number 7,186,109
- Issue date Mar 6, 2007
- TDK Corporation
- Atsushi Koyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Intermediate for optical recording medium, mold, molding apparatus,...
- Patent number 7,138,165
- Issue date Nov 21, 2006
- TDK Corporation
- Atsushi Koyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mold component and mold assembly
- Patent number 7,044,726
- Issue date May 16, 2006
- TDK Corporation
- Atsushi Koyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for making a plurality of optical record disc subtrates
- Patent number 5,648,105
- Issue date Jul 15, 1997
- TDK Corporation
- Seiki Shimazu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making a plurality of optical record disc substrates
- Patent number 5,458,821
- Issue date Oct 17, 1995
- TDK Corporation
- Seiki Shimazu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION MEDIUM SUBSTRATE AND INFORMATION MEDIUM
- Publication number 20070274195
- Publication date Nov 29, 2007
- TDK Corporation
- Atsushi KOYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
Intermediate product for optical recording medium and method for ma...
- Publication number 20060072431
- Publication date Apr 6, 2006
- Junichi Ide
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording medium preform, method of manufacturing an in...
- Publication number 20040212122
- Publication date Oct 28, 2004
- TDK Corporation
- Atsushi Koyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Stamper holder, mold component, and mold assembly
- Publication number 20040191352
- Publication date Sep 30, 2004
- TDK Corporation
- Atsushi Koyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Mold component and mold assembly
- Publication number 20040062830
- Publication date Apr 1, 2004
- TDK Corporation
- Atsushi Koyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Intermediate for optical recording medium, mold, molding apparatus,...
- Publication number 20040061247
- Publication date Apr 1, 2004
- TDK Corporation
- Atsushi Koyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Atsushi Koyama

Person

Patents Grantslast 30 patents

Information medium substrate and information medium

Intermediate for optical recording medium and method of manufacturi...

Stamper holder, mold component, and mold assembly

Intermediate for optical recording medium, mold, molding apparatus,...

Mold component and mold assembly

Apparatus for making a plurality of optical record disc subtrates

Method of making a plurality of optical record disc substrates

Patents Applicationslast 30 patents

INFORMATION MEDIUM SUBSTRATE AND INFORMATION MEDIUM

Intermediate product for optical recording medium and method for ma...

Information recording medium preform, method of manufacturing an in...

Stamper holder, mold component, and mold assembly

Mold component and mold assembly

Intermediate for optical recording medium, mold, molding apparatus,...