Hidetsugu Kawabata

Person

Hirakata, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magneto-optical recording medium
- Patent number 5,565,278
- Issue date Oct 15, 1996
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and method of manufacturing same
- Patent number 5,518,826
- Issue date May 21, 1996
- Matsushita Electric Industrial Co., Ltd.
- Yoshihiko Kudoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-field generator for use in a magneto-optical disk unit
- Patent number 5,517,472
- Issue date May 14, 1996
- Matsushita Electric Industrial Co., Ltd.
- Norio Miyatake
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk unit compatible with different two types of ma...
- Patent number 5,202,863
- Issue date Apr 13, 1993
- Matsushita Electric Industrial Co., Ltd.
- Norio Miyatake
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing a deposition film of composite material
- Patent number 4,952,295
- Issue date Aug 28, 1990
- Matsushita Electric Industrial Co., Ltd.
- Hidetsugu Kawabata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magneto-optical recording medium
- Patent number 4,497,870
- Issue date Feb 5, 1985
- Matsushita Electric Industrial Co., Ltd.
- Yoshihiko Kudo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of making metal coated foil speaker diaphragm
- Patent number 4,470,479
- Issue date Sep 11, 1984
- Matsushita Electric Industrial Co., Ltd.
- Hideaki Inoue
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method for manufacturing magnetic head using boronizing treatment
- Patent number 4,251,297
- Issue date Feb 17, 1981
- Matsushita Electric Industrial Co., Ltd.
- Hidetsugu Kawabata
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite diaphragm for speaker
- Patent number 4,216,271
- Issue date Aug 5, 1980
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hidetsugu Kawabata

Person

Patents Grantslast 30 patents

Magneto-optical recording medium

Magneto-optical recording medium and method of manufacturing same

Magnetic-field generator for use in a magneto-optical disk unit

Magneto-optical disk unit compatible with different two types of ma...

Method of producing a deposition film of composite material

Magneto-optical recording medium

Method of making metal coated foil speaker diaphragm

Method for manufacturing magnetic head using boronizing treatment

Composite diaphragm for speaker