Tetsuo Tajima

Person

Fujisawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical disc
- Patent number 6,573,025
- Issue date Jun 3, 2003
- Hitachi, Ltd.
- Hiroaki Miwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing optical discs
- Patent number 6,465,151
- Issue date Oct 15, 2002
- Hitachi, Ltd.
- Hiroaki Miwa
- G11 - INFORMATION STORAGE
Information Patent Grant
High voltage transformer and ignition transformer using the same
- Patent number 6,191,675
- Issue date Feb 20, 2001
- Hitachi, Ltd.
- Ryoichi Sudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical recording and reproduction apparatus
- Patent number 6,140,028
- Issue date Oct 31, 2000
- Hitachi, Ltd.
- Hiroaki Miwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc
- Patent number 5,906,907
- Issue date May 25, 1999
- Hitachi, Ltd.
- Hiroaki Miwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk producing apparatus
- Patent number 5,766,407
- Issue date Jun 16, 1998
- Hitachi, Ltd.
- Hiroaki Miwa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical reproduction apparatus
- Patent number 5,686,227
- Issue date Nov 11, 1997
- Hitachi, Ltd.
- Hiroaki Miwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk producing apparatus
- Patent number 5,582,677
- Issue date Dec 10, 1996
- Hitachi, Ltd.
- Hiroaki Miwa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical recording and reproduction apparatus
- Patent number 5,543,271
- Issue date Aug 6, 1996
- Hitachi, Ltd.
- Hiroaki Miwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc
- Patent number 5,401,610
- Issue date Mar 28, 1995
- Hitachi, Ltd.
- Hiroaki Miwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Insulating coating composition, solderable insulated wires, product...
- Patent number 5,254,659
- Issue date Oct 19, 1993
- Hitachi, Ltd.
- Tetsuo Tajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of manufacturing an optical disc
- Patent number 5,244,775
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Hiroaki Miwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Replica plate, process for producing the same and projection type t...
- Patent number 5,071,236
- Issue date Dec 10, 1991
- Hitachi, Ltd.
- Ryoichi Sudo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Materials for optical use
- Patent number 4,957,990
- Issue date Sep 18, 1990
- Hitachi, Ltd.
- Ryoichi Sudo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing optical disk base
- Patent number 4,897,228
- Issue date Jan 30, 1990
- Hitachi, Ltd.
- Hiroaki Miwa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical recording disk
- Patent number 4,889,757
- Issue date Dec 26, 1989
- Hitachi, Ltd.
- Shinkichi Horigome
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc
- Patent number 4,835,027
- Issue date May 30, 1989
- Hitachi, Ltd.
- Ryoichi Sudo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical disc base plate and process for producing the same
- Patent number 4,812,346
- Issue date Mar 14, 1989
- Hitachi Ltd.
- Ryoichi Sudo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical disc base plate having a primer layer formed of an ultravio...
- Patent number 4,729,938
- Issue date Mar 8, 1988
- Hitachi, Ltd.
- Tetsuo Tajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical disc
- Patent number 4,668,550
- Issue date May 26, 1987
- Hitachi, Ltd.
- Tetsuo Tajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing flyback transformers
- Patent number 4,460,535
- Issue date Jul 17, 1984
- Hitachi, Ltd.
- Makoto Kitoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Optical disc and a method of its manufacture
- Publication number 20020150836
- Publication date Oct 17, 2002
- Hiroaki Miwa
- G11 - INFORMATION STORAGE

Tetsuo Tajima

Person

Patents Grantslast 30 patents

Optical disc

Method of manufacturing optical discs

High voltage transformer and ignition transformer using the same

Optical recording and reproduction apparatus

Optical disc

Optical disk producing apparatus

Optical reproduction apparatus

Optical disk producing apparatus

Optical recording and reproduction apparatus

Optical disc

Insulating coating composition, solderable insulated wires, product...

Method of manufacturing an optical disc

Replica plate, process for producing the same and projection type t...

Materials for optical use

Method for producing optical disk base

Optical recording disk

Optical disc

Optical disc base plate and process for producing the same

Optical disc base plate having a primer layer formed of an ultravio...

Optical disc

Method for producing flyback transformers

Patents Applicationslast 30 patents

Optical disc and a method of its manufacture