Yuji Tsukamoto

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for anaerobic treatment of sulfur compound-co...
- Patent number 7,427,357
- Issue date Sep 23, 2008
- Ebara Corporation
- Kazumasa Kamachi
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Electronic board system and coordinates-inputting pen
- Patent number 6,700,129
- Issue date Mar 2, 2004
- Hitachi Software Engineering Co., Ltd.
- Yutaka Usuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magneto-resistance effect type composite head and production method...
- Patent number 6,639,766
- Issue date Oct 28, 2003
- NEC Corporation
- Ishiwata Nobuyuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tunnel junction elements and their fabrication method
- Patent number 6,341,053
- Issue date Jan 22, 2002
- NEC Corporation
- Masafumi Nakada
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magneto-resistance effect type composite head and production method...
- Patent number 6,333,842
- Issue date Dec 25, 2001
- NEC Corporation
- Ishiwata Nobuyuki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic disk device using a contact start stop system
- Patent number 6,330,124
- Issue date Dec 11, 2001
- NEC Corporation
- Yuji Tsukamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device using a contact start stop system
- Patent number 6,181,503
- Issue date Jan 30, 2001
- NEC Corporation
- Yuji Tsukamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fabricating ferromagnetic tunnel junction device
- Patent number 6,174,736
- Issue date Jan 16, 2001
- NEC Corporation
- Yuji Tsukamoto
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of producing magnetic head slider of the flying type having...
- Patent number 5,994,035
- Issue date Nov 30, 1999
- NEC Corporation
- Yuji Tsukamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Switching adapter and method for a computer system
- Patent number 5,867,677
- Issue date Feb 2, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Yuji Tsukamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic head with polycrystalline silicon layer on slide running s...
- Patent number 5,781,376
- Issue date Jul 14, 1998
- NEC Corporation
- Yuji Tsukamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium comprising a solid lubrication layer of f...
- Patent number 5,447,796
- Issue date Sep 5, 1995
- NEC Corporation
- Yuji Tsukamoto
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Apparatus for measuring an adhesion force of a thin film
- Patent number 4,856,326
- Issue date Aug 15, 1989
- NEC Corporation
- Yuji Tsukamoto
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic recording medium with protective layer using graphite fluo...
- Patent number 4,839,244
- Issue date Jun 13, 1989
- NEC Corporation
- Yuji Tsukamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording member
- Patent number 4,758,474
- Issue date Jul 19, 1988
- NEC Corporation
- Yuji Tsukamoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Process and apparatus for anaerobic treatment of sulfur compound-co...
- Publication number 20070175822
- Publication date Aug 2, 2007
- Kazumasa Kamachi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Magneto-resistance effect type composite head and production method...
- Publication number 20020027753
- Publication date Mar 7, 2002
- NEC Corporation
- Nobuyuki Ishiwata
- B82 - NANO-TECHNOLOGY
Information Patent Application
Content rental system
- Publication number 20020013940
- Publication date Jan 31, 2002
- Yuji Tsukamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital contents rental system
- Publication number 20010013120
- Publication date Aug 9, 2001
- NEC Corporation
- Yuji Tsukamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Television broadcasting system having an automated charging system
- Publication number 20010003845
- Publication date Jun 14, 2001
- Yuji Tsukamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yuji Tsukamoto

Person

Patents Grantslast 30 patents

Process and apparatus for anaerobic treatment of sulfur compound-co...

Electronic board system and coordinates-inputting pen

Magneto-resistance effect type composite head and production method...

Magnetic tunnel junction elements and their fabrication method

Magneto-resistance effect type composite head and production method...

Magnetic disk device using a contact start stop system

Magnetic disk device using a contact start stop system

Method of fabricating ferromagnetic tunnel junction device

Method of producing magnetic head slider of the flying type having...

Switching adapter and method for a computer system

Magnetic head with polycrystalline silicon layer on slide running s...

Magnetic recording medium comprising a solid lubrication layer of f...

Apparatus for measuring an adhesion force of a thin film

Magnetic recording medium with protective layer using graphite fluo...

Magnetic recording member

Patents Applicationslast 30 patents

Process and apparatus for anaerobic treatment of sulfur compound-co...

Magneto-resistance effect type composite head and production method...

Content rental system

Digital contents rental system

Television broadcasting system having an automated charging system