Tsutomu Tom Yamashita

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording media with small grain size and narrow c-axis di...
- Patent number 8,956,741
- Issue date Feb 17, 2015
- WD Media, LLC
- Tuqiang Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk comprising a first carbon overcoat having a high SP3...
- Patent number 6,855,232
- Issue date Feb 15, 2005
- Komag, Inc.
- Bruce Jairson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thin film magnetic alloy having low noise, high coercivity and high...
- Patent number RE38544
- Issue date Jul 6, 2004
- Komag, Inc.
- Tu Chen
- 204 - Chemistry: electrical and wave energy
Information Patent Grant
Magnetic disk comprising a first carbon overcoat having a high SP3...
- Patent number 6,682,807
- Issue date Jan 27, 2004
- Komag, Inc.
- Bruce Lairson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic disk comprising a first carbon overcoat having a high SP3...
- Patent number 6,565,719
- Issue date May 20, 2003
- Komag, Inc.
- Bruce Lairson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Ultra-thin nucleation layer for magnetic thin film media and the me...
- Patent number 6,500,567
- Issue date Dec 31, 2002
- Komag, Inc.
- Gerardo Bertero
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic alloy having low noise, high coercivity and high...
- Patent number RE37748
- Issue date Jun 18, 2002
- Komag, Inc.
- Tu Chen
- 204 - Chemistry: electrical and wave energy
Information Patent Grant
Ultra-thin nucleation layer for magnetic thin film media and the me...
- Patent number 6,150,015
- Issue date Nov 21, 2000
- Komag, Incorporated
- Gerardo Bertero
- G11 - INFORMATION STORAGE
Information Patent Grant
Micro-texture media made by polishing of a selectively irradiated s...
- Patent number 6,117,499
- Issue date Sep 12, 2000
- Komag, Inc.
- Javier Wong
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of sputtering a carbon protective film on a magnetic disk wi...
- Patent number 6,086,730
- Issue date Jul 11, 2000
- Komag, Incorporated
- Wen Hong Liu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thin film magnetic alloy having low noise, high coercivity and high...
- Patent number 6,013,161
- Issue date Jan 11, 2000
- Komag, Incorporated
- Tu Chen
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of sputtering selected oxides and nitrides for forming magne...
- Patent number 5,976,326
- Issue date Nov 2, 1999
- Komag, Incorporated
- Rajiv Yadav Ranjan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic alloy for improved corrosion resistance and magnetic perfo...
- Patent number 5,908,514
- Issue date Jun 1, 1999
- Rajiv Yadav Ranjan
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic alloy having low noise, high coercivity, and hig...
- Patent number 5,851,688
- Issue date Dec 22, 1998
- Komag, Inc.
- Tu Chen
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for forming an improved magnetic media including sputtering...
- Patent number 5,736,013
- Issue date Apr 7, 1998
- Komag, Inc.
- Rajiv Yadav Ranjan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
CSS magnetic recording head slider and method of making same
- Patent number 5,695,387
- Issue date Dec 9, 1997
- Komag, Inc.
- Mark D. Moravec
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Hard disk drive system having virtual contact recording
- Patent number 5,673,156
- Issue date Sep 30, 1997
- Komag, Inc.
- Tu Chen
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic alloy and method for manufacturing same
- Patent number 5,658,659
- Issue date Aug 19, 1997
- Komag, Inc.
- Tu Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic alloy for improved corrosion resistance and magnetic perfo...
- Patent number 5,631,094
- Issue date May 20, 1997
- Komag, Incorporated
- Rajiv Y. Ranjan
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of sputtering a carbon protective film on a magnetic disk by...
- Patent number 5,507,930
- Issue date Apr 16, 1996
- Komag, Incorporated
- Tsutomu T. Yamashita
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic disk having a sputtered hydrogen-doped carbon protective film
- Patent number 5,397,644
- Issue date Mar 14, 1995
- Komag, Incorporated
- Tsutomu T. Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium comprising a magnetic alloy layer of coba...
- Patent number 5,180,640
- Issue date Jan 19, 1993
- Komag, Inc.
- Tsutomu T. Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk for longitudinal recording comprising an amorphous in...
- Patent number 5,153,044
- Issue date Oct 6, 1992
- Komag, Inc.
- Tu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for sputtering a hydrogen-doped carbon protective film on a...
- Patent number 5,045,165
- Issue date Sep 3, 1991
- Komag, Inc.
- Tsutomu T. Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a thin film magnetic recording medium
- Patent number 4,988,578
- Issue date Jan 29, 1991
- Komag, Inc.
- Tsutomu T. Yamashita
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Corrosion resistant magnetic disk
- Patent number 4,929,500
- Issue date May 29, 1990
- Komag, Inc.
- Tsutomu T. Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Corrosion and wear resistant magnetic disk
- Patent number 4,898,774
- Issue date Feb 6, 1990
- Komag, Inc.
- Tsutomu T. Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a magnetic disk having reduced bit shift,...
- Patent number 4,786,564
- Issue date Nov 22, 1988
- Komag, Inc.
- Tu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a thin film magnetic recording medium
- Patent number 4,749,459
- Issue date Jun 7, 1988
- Komag, Inc.
- Tsutomu T. Yamashita
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Magnetic disk comprising a first carbon overcoat having a high SP3...
- Publication number 20040137207
- Publication date Jul 15, 2004
- Bruce Lairson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Magnetic disk comprising a first carbon overcoat having a high SP3...
- Publication number 20030027019
- Publication date Feb 6, 2003
- Bruce Lairson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Tsutomu Tom Yamashita

Person

Patents Grantslast 30 patents

Magnetic recording media with small grain size and narrow c-axis di...

Magnetic disk comprising a first carbon overcoat having a high SP3...

Thin film magnetic alloy having low noise, high coercivity and high...

Magnetic disk comprising a first carbon overcoat having a high SP3...

Magnetic disk comprising a first carbon overcoat having a high SP3...

Ultra-thin nucleation layer for magnetic thin film media and the me...

Thin film magnetic alloy having low noise, high coercivity and high...

Ultra-thin nucleation layer for magnetic thin film media and the me...

Micro-texture media made by polishing of a selectively irradiated s...

Method of sputtering a carbon protective film on a magnetic disk wi...

Thin film magnetic alloy having low noise, high coercivity and high...

Method of sputtering selected oxides and nitrides for forming magne...

Magnetic alloy for improved corrosion resistance and magnetic perfo...

Thin film magnetic alloy having low noise, high coercivity, and hig...

Method for forming an improved magnetic media including sputtering...

CSS magnetic recording head slider and method of making same

Hard disk drive system having virtual contact recording

Magnetic alloy and method for manufacturing same

Magnetic alloy for improved corrosion resistance and magnetic perfo...

Method of sputtering a carbon protective film on a magnetic disk by...

Magnetic disk having a sputtered hydrogen-doped carbon protective film

Magnetic recording medium comprising a magnetic alloy layer of coba...

Magnetic disk for longitudinal recording comprising an amorphous in...

Method for sputtering a hydrogen-doped carbon protective film on a...

Method for manufacturing a thin film magnetic recording medium

Corrosion resistant magnetic disk

Corrosion and wear resistant magnetic disk

Method for manufacturing a magnetic disk having reduced bit shift,...

Method for manufacturing a thin film magnetic recording medium

Patents Applicationslast 30 patents

Magnetic disk comprising a first carbon overcoat having a high SP3...

Magnetic disk comprising a first carbon overcoat having a high SP3...