Katsuhiko Tominaga

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Wako, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat resistant alloy for use as material of engine valve
- Patent number 7,481,970
- Issue date Jan 27, 2009
- Hitachi Metals, Ltd.
- Akihiro Toji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Valve seat made of secondary hardening-type high temperature wear-r...
- Patent number 5,466,276
- Issue date Nov 14, 1995
- Honda Giken Kogyo Kabushiki Kaisha
- Katsuaki Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Secondary hardening type high temperature wear-resistant sintered a...
- Patent number 5,273,570
- Issue date Dec 28, 1993
- Honda Giken Kogyo Kabushiki Kaisha
- Katsuaki Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Heat resistant alloy for exhaust valves durable at 900°C and exhaus...
- Publication number 20060157171
- Publication date Jul 20, 2006
- DAIDO STEEL CO., LTD.
- Shigeki Ueta
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Heat resistant alloy for use as material of engine valve
- Publication number 20050265887
- Publication date Dec 1, 2005
- HITACHI METALS, LTD
- Akihiro Toji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
High-strength, heat-resistant alloy for exhaust valves with improve...
- Publication number 20040184946
- Publication date Sep 23, 2004
- Katsuhiko Tominaga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...