Keiichiro Teratoko

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spiral spring manufacturing method
- Patent number 9,782,819
- Issue date Oct 10, 2017
- Suncall Corporation
- Ryuji Kishihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Spiral spring
- Patent number 9,400,026
- Issue date Jul 26, 2016
- Suncall Corporation
- Ryuji Kishihara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve structure for internal combustion
- Patent number 7,556,011
- Issue date Jul 7, 2009
- Suncall Corporation
- Ryuji Kishihara
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Spring with excellent fatigue endurance property and surface treatm...
- Patent number 6,790,294
- Issue date Sep 14, 2004
- Suncall Corporation
- Masaaki Ishida
- C21 - METALLURGY OF IRON
Information Patent Grant
Thin-walled ring-shaped member and method of manufacturing same
- Patent number 6,223,574
- Issue date May 1, 2001
- Suncall Corporation
- Keiichiro Teratoko
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SPIRAL SPRING MANUFACTURING METHOD
- Publication number 20160167106
- Publication date Jun 16, 2016
- Suncall Corporation
- Ryuji KISHIHARA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SPIRAL SPRING
- Publication number 20150292585
- Publication date Oct 15, 2015
- SUNCALL CORPORATION
- Ryuji Kishihara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Valve Structure for Internal Combustion
- Publication number 20070277769
- Publication date Dec 6, 2007
- Ryuji Kishihara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Valve Assembly
- Publication number 20070241302
- Publication date Oct 18, 2007
- Ryuji Kishihara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES