Hiroyuki Fujikawa

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Itami-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk brakes with noise suppression feature
- Patent number 7,357,228
- Issue date Apr 15, 2008
- Advics Co., Ltd.
- Katsuya Okayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Friction material
- Patent number 6,620,860
- Issue date Sep 16, 2003
- Sumitomo Electric Industries, Ltd.
- Katsuya Okayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of manufacturing disk brake pad
- Patent number 5,641,444
- Issue date Jun 24, 1997
- Sumitomo Electric Industries, Ltd.
- Hiroyuki Fujikawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Process for producing a superconducting article
- Patent number 4,939,119
- Issue date Jul 3, 1990
- Sumitomo Electric Industries, Inc.
- Kouichi Iwata
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Disk brakes with noise supression feature
- Publication number 20060081422
- Publication date Apr 20, 2006
- Katsuya Okayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Brake friction material
- Publication number 20050211513
- Publication date Sep 29, 2005
- Katsuya Okayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Friction material
- Publication number 20020169231
- Publication date Nov 14, 2002
- Sumitomo Electric Industries, Ltd.
- Katsuya Okayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...