Shinji Takayama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Conductor line materials and method of making their metal line layers
- Patent number 5,903,055
- Issue date May 11, 1999
- International Business Machines Corporation
- Shinji Takayama
- G02 - OPTICS
Information Patent Grant
Magnetic recording medium and its fabrication method
- Patent number 5,658,680
- Issue date Aug 19, 1997
- International Business Machines Corporation
- Teruhisa Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating magnetic recording medium
- Patent number 5,516,547
- Issue date May 14, 1996
- International Business Machines Corporation
- Teruhisa Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
High permeability iron-based alloy
- Patent number 5,466,539
- Issue date Nov 14, 1995
- International Business Machines Corporation
- Shinji Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having an underlayer of low melting point...
- Patent number 5,413,835
- Issue date May 9, 1995
- International Business Machines Corporation
- Yoshihiro Ikeda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Electrical means to diminish read-back signal waveform distortion i...
- Patent number 5,392,169
- Issue date Feb 21, 1995
- International Business Machines Corporation
- Bernell E. Argyle
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating superconducting materials and superconductiv...
- Patent number 5,316,585
- Issue date May 31, 1994
- Hitachi, Ltd.
- Yukio Okamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magneto-optical recording medium and system for use with short wave...
- Patent number 5,173,885
- Issue date Dec 22, 1992
- International Business Machines Corporation
- Hideo Iiyori
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for magneto-optical recording using a demagnet...
- Patent number 5,091,896
- Issue date Feb 25, 1992
- International Business Machines Corporation
- Shinji Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 5,030,512
- Issue date Jul 9, 1991
- International Business Machines Corporation
- Yoshimine Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made...
- Patent number 4,972,285
- Issue date Nov 20, 1990
- Hitachi, Ltd.
- Shigekazu Otomo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for fabricating superconducting oxide thin films by activate...
- Patent number 4,950,642
- Issue date Aug 21, 1990
- Hitachi, Ltd.
- Yukio Okamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magneto-optical recording medium
- Patent number 4,923,765
- Issue date May 8, 1990
- Hitachi, Ltd.
- Shinji Takayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magneto-optical recording material
- Patent number 4,880,694
- Issue date Nov 14, 1989
- Hitachi, Ltd.
- Shinji Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Ferromagnetic amorphous alloy
- Patent number RE33022
- Issue date Aug 15, 1989
- Hitachi, Ltd.
- Shinji Takayama
- 148 - Metal treatment
Information Patent Grant
Magneto-optical recording medium
- Patent number 4,838,962
- Issue date Jun 13, 1989
- Hitachi, Ltd.
- Shinji Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Amorphous alloys
- Patent number 4,668,310
- Issue date May 26, 1987
- Hitachi Metals, Ltd.
- Mitsuhiro Kudo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Composite type magnetic head for recording and reproducing high fre...
- Patent number 4,656,547
- Issue date Apr 7, 1987
- Hitachi, Ltd.
- Noriyuki Kumasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and method of fabricating same
- Patent number 4,559,572
- Issue date Dec 17, 1985
- Hitachi, Ltd.
- Noriyuki Kumasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Ferromagnetic amorphous alloy
- Patent number 4,306,908
- Issue date Dec 22, 1981
- Hitachi, Ltd.
- Shinji Takayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Shinji Takayama

Person

Patents Grantslast 30 patents

Conductor line materials and method of making their metal line layers

Magnetic recording medium and its fabrication method

Method for fabricating magnetic recording medium

High permeability iron-based alloy

Magnetic recording medium having an underlayer of low melting point...

Electrical means to diminish read-back signal waveform distortion i...

Method for fabricating superconducting materials and superconductiv...

Magneto-optical recording medium and system for use with short wave...

Method and apparatus for magneto-optical recording using a demagnet...

Magneto-optical recording medium

Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made...

Method for fabricating superconducting oxide thin films by activate...

Magneto-optical recording medium

Magneto-optical recording material

Ferromagnetic amorphous alloy

Magneto-optical recording medium

Amorphous alloys

Composite type magnetic head for recording and reproducing high fre...

Magnetic head and method of fabricating same

Ferromagnetic amorphous alloy