Takayuki Nakakawaji

Person

Kitaibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reaction container for chemical analysis with the controlled surfac...
- Patent number 7,820,114
- Issue date Oct 26, 2010
- Hitachi, Ltd.
- Mina Amo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Magnetic disk drive
- Patent number 6,917,495
- Issue date Jul 12, 2005
- Hitachi, Ltd.
- Takayuki Nakakawaji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc apparatus and its fabricating method
- Patent number 6,870,704
- Issue date Mar 22, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Mitsuhiro Shoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Lubricant, magnetic disk and magnetic disk apparatus
- Patent number 6,869,536
- Issue date Mar 22, 2005
- Hitachi, Ltd.
- Mina Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard disk drive utilizing second lubricant over a first lubricant h...
- Patent number 6,816,341
- Issue date Nov 9, 2004
- Hitachi, Ltd.
- Hiroyuki Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive with supply of perfluoropolyether as lubricant
- Patent number 6,665,147
- Issue date Dec 16, 2003
- Hitachi, Ltd.
- Takayuki Nakakawaji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 6,605,335
- Issue date Aug 12, 2003
- Hitachi, Ltd.
- Hiroshi Tani
- G11 - INFORMATION STORAGE
Information Patent Grant
Lubricant, magnetic disk and magnetic disk apparatus
- Patent number 6,555,197
- Issue date Apr 29, 2003
- Hitachi, Ltd.
- Mina Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Fluorocompound, lubricant, surface modifier, lubricating film, magn...
- Patent number 6,323,163
- Issue date Nov 27, 2001
- Hitachi, Ltd.
- Hiroshi Sasaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Magnetic disk and magnetic recording/reproduction apparatus
- Patent number 6,296,917
- Issue date Oct 2, 2001
- Hitachi, Ltd.
- Takayuki Nakakawaji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording reproducer
- Patent number 5,985,403
- Issue date Nov 16, 1999
- Hitachi, Ltd.
- Takayuki Nakakawaji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus employing liquid bearing type or physical c...
- Patent number 5,835,305
- Issue date Nov 10, 1998
- Hitachi, Ltd.
- Tetsuya Hamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Ammonium carboxylate type fluorine-containing compound, solid surfa...
- Patent number 5,830,834
- Issue date Nov 3, 1998
- Hitachi, Ltd.
- Mitsuyoshi Shoji
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Magnetic disk, and magnetic disk apparatus
- Patent number 5,820,964
- Issue date Oct 13, 1998
- Hitachi, Ltd.
- Takayuki Nakakawaji
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus equipped with a cooling block unit having sliding parts a...
- Patent number 5,549,835
- Issue date Aug 27, 1996
- Hitachi, Ltd.
- Takao Uematsu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Magnetic recording medium comprising a protective layer and a layer...
- Patent number 5,536,578
- Issue date Jul 16, 1996
- Hitachi, Ltd.
- Mitsuyoshi Shoji
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Ammonium carboxylate lubricant and magnetic recording medium using...
- Patent number 5,456,980
- Issue date Oct 10, 1995
- Hitachi, Ltd.
- Yuko Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for surface treatment of a body, surface treatment agent, su...
- Patent number 5,346,633
- Issue date Sep 13, 1994
- Hitachi, Ltd.
- Takayuki Nakakawaji
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Electrophotographic photoreceptor with protruding inorganic insulat...
- Patent number 5,252,418
- Issue date Oct 12, 1993
- Hitachi, Ltd.
- Fuminori Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic recording apparatus comprising a magnetic recording medium...
- Patent number 5,219,651
- Issue date Jun 15, 1993
- Hitachi, Ltd.
- Mitsuyosi Shoji
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrophotographic photosensitive element comprising a protective...
- Patent number 5,204,202
- Issue date Apr 20, 1993
- Hitachi, Ltd.
- Fuminori Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fluoroalkyl ether, surface modifying composition and method for mod...
- Patent number 5,157,066
- Issue date Oct 20, 1992
- Hitachi, Ltd.
- Mitsuyoshi Shoji
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Magnetic recording medium based on epoxy resins modified by isocyan...
- Patent number 5,128,435
- Issue date Jul 7, 1992
- Hitachi, Ltd.
- Mitsuyoshi Shoji
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic member containing a fluorine-containing lubrica...
- Patent number 5,073,466
- Issue date Dec 17, 1991
- Hitachi, Ltd.
- Fuminori Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and method of producing the same
- Patent number 4,990,418
- Issue date Feb 5, 1991
- Hitachi, Ltd.
- Akio Mukoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
THERMALLY ASSISTED MAGNETIC RECORDING DISK DRIVE
- Publication number 20100195240
- Publication date Aug 5, 2010
- Hitachi, Ltd.
- Takayuki Nakakawaji
- G11 - INFORMATION STORAGE
Information Patent Application
CHEMICAL MECHANICAL POLISHING SLURRY, CMP PROCESS AND ELECTRONIC DE...
- Publication number 20070270085
- Publication date Nov 22, 2007
- Ryo Ota
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Hard disk drive
- Publication number 20050095461
- Publication date May 5, 2005
- Hiroyuki Matsumoto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Reaction container for chemical analysis with the controlled surfac...
- Publication number 20050047970
- Publication date Mar 3, 2005
- Mina Amo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Magnetic recording medium
- Publication number 20040096675
- Publication date May 20, 2004
- Hitachi, Ltd.
- Hiroshi Tani
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive
- Publication number 20040080864
- Publication date Apr 29, 2004
- Takayuki Nakakawaji
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Hard disk drive
- Publication number 20030179490
- Publication date Sep 25, 2003
- Hiroyuki Matsumoto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Lubricant, magnetic disk and magnetic disk apparatus
- Publication number 20030175470
- Publication date Sep 18, 2003
- Mina Ishida
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disc apparatus and its fabricating method
- Publication number 20030067711
- Publication date Apr 10, 2003
- Mitsuhiro Shoda
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive
- Publication number 20020021535
- Publication date Feb 21, 2002
- Takayuki Nakakawaji
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium
- Publication number 20020006531
- Publication date Jan 17, 2002
- Hiroshi Tani
- G11 - INFORMATION STORAGE

Takayuki Nakakawaji

Person

Patents Grantslast 30 patents

Reaction container for chemical analysis with the controlled surfac...

Magnetic disk drive

Magnetic disc apparatus and its fabricating method

Lubricant, magnetic disk and magnetic disk apparatus

Hard disk drive utilizing second lubricant over a first lubricant h...

Magnetic disk drive with supply of perfluoropolyether as lubricant

Magnetic recording medium

Lubricant, magnetic disk and magnetic disk apparatus

Fluorocompound, lubricant, surface modifier, lubricating film, magn...

Magnetic disk and magnetic recording/reproduction apparatus

Magnetic recording medium and magnetic recording reproducer

Magnetic disk apparatus employing liquid bearing type or physical c...

Ammonium carboxylate type fluorine-containing compound, solid surfa...

Magnetic disk, and magnetic disk apparatus

Apparatus equipped with a cooling block unit having sliding parts a...

Magnetic recording medium comprising a protective layer and a layer...

Ammonium carboxylate lubricant and magnetic recording medium using...

Method for surface treatment of a body, surface treatment agent, su...

Electrophotographic photoreceptor with protruding inorganic insulat...

Magnetic recording apparatus comprising a magnetic recording medium...

Electrophotographic photosensitive element comprising a protective...

Fluoroalkyl ether, surface modifying composition and method for mod...

Magnetic recording medium based on epoxy resins modified by isocyan...

Electrophotographic member containing a fluorine-containing lubrica...

Electrophotographic photoreceptor and method of producing the same

Patents Applicationslast 30 patents

THERMALLY ASSISTED MAGNETIC RECORDING DISK DRIVE

CHEMICAL MECHANICAL POLISHING SLURRY, CMP PROCESS AND ELECTRONIC DE...

Hard disk drive

Reaction container for chemical analysis with the controlled surfac...

Magnetic recording medium

Magnetic disk drive

Hard disk drive

Lubricant, magnetic disk and magnetic disk apparatus

Magnetic disc apparatus and its fabricating method

Magnetic disk drive

Magnetic recording medium