Tomoki Muraoka

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bearing manufacturing method
- Patent number 6,063,218
- Issue date May 16, 2000
- NSK Ltd.
- Tomoki Muraoka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rail for a linear motion guide bearing
- Patent number 5,542,991
- Issue date Aug 6, 1996
- NSK Ltd.
- Tomoki Muraoka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rolling-part steel and rolling part employing same
- Patent number 5,077,003
- Issue date Dec 31, 1991
- Nippon Seiko Kabushiki Kaisha
- Tomoki Muraoka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steel for corrosion-resistant rolling part and rolling part
- Patent number 5,013,525
- Issue date May 7, 1991
- Sanyo Special Steel Co., Ltd.
- Kaneaki Hamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rolling bearing
- Patent number 4,871,268
- Issue date Oct 3, 1989
- Nippon Seiko Kabushiki Kaisha
- Kyozaburo Furumura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...