Keikichi Ando

Person

Musashino, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information recording medium and information recording device
- Patent number 6,954,941
- Issue date Oct 11, 2005
- Hitachi, Ltd.
- Makoto Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium and method for manufacturing informati...
- Patent number 6,806,030
- Issue date Oct 19, 2004
- Hitachi, Ltd.
- Motoyasu Terao
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium and information recording device
- Patent number 6,636,477
- Issue date Oct 21, 2003
- Hitachi, Ltd.
- Makoto Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium
- Patent number 6,383,595
- Issue date May 7, 2002
- Hitachi, Ltd.
- Akemi Hirotsune
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for recording and reproducing information using at least two...
- Patent number 5,404,348
- Issue date Apr 4, 1995
- Hitachi, Ltd.
- Motoyasu Terao
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical magnetic-field measuring apparatus having improved temperat...
- Patent number 4,581,579
- Issue date Apr 8, 1986
- Hitachi, Ltd.
- Kazuyuki Nagatsuma
- G01 - MEASURING TESTING
Information Patent Grant
Garnet film for ion-implanted magnetic bubble device
- Patent number 4,532,180
- Issue date Jul 30, 1985
- Hitachi, Ltd.
- Norio Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Garnet film for magnetic bubble element
- Patent number 4,397,912
- Issue date Aug 9, 1983
- Hitachi, Ltd.
- Norio Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Garnet film for magnetic bubble device
- Patent number 4,338,372
- Issue date Jul 6, 1982
- Hitachi, Ltd.
- Norio Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Film for a magnetic bubble domain device
- Patent number 4,267,230
- Issue date May 12, 1981
- Hitachi, Ltd.
- Norio Ohta
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Information recording medium and information recording device
- Publication number 20040042381
- Publication date Mar 4, 2004
- Makoto Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording medium and method for manufacturing informati...
- Publication number 20020006684
- Publication date Jan 17, 2002
- Motoyasu Terao
- G11 - INFORMATION STORAGE

Keikichi Ando

Person

Patents Grantslast 30 patents

Information recording medium and information recording device

Information recording medium and method for manufacturing informati...

Information recording medium and information recording device

Information recording medium

Method for recording and reproducing information using at least two...

Optical magnetic-field measuring apparatus having improved temperat...

Garnet film for ion-implanted magnetic bubble device

Garnet film for magnetic bubble element

Garnet film for magnetic bubble device

Film for a magnetic bubble domain device

Patents Applicationslast 30 patents

Information recording medium and information recording device

Information recording medium and method for manufacturing informati...