Fumiaki Kawahara

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing sprocket segment, and sprocket segment
- Patent number 8,904,844
- Issue date Dec 9, 2014
- Komatsu Ltd.
- Fumiaki Kawahara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Pipe expanding method and pipe expanding device for steel pipe
- Patent number 8,365,571
- Issue date Feb 5, 2013
- Komatsu Ltd.
- Takahiro Noguchi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cab and construction machine
- Patent number 8,132,853
- Issue date Mar 13, 2012
- Komatsu Ltd.
- Hiroaki Tanaka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cab for construction machine
- Patent number 8,079,636
- Issue date Dec 20, 2011
- Komatsu Ltd.
- Akihide Namura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Reinforcement structure for pipe and cab structure for construction...
- Patent number 7,959,219
- Issue date Jun 14, 2011
- Komatsu Ltd.
- Akihide Namura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING SPROCKET SEGMENT, AND SPROCKET SEGMENT
- Publication number 20110306453
- Publication date Dec 15, 2011
- KOMATSU LTD.
- Fumiaki Kawahara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CAB FOR CONSTRUCTION MACHINE
- Publication number 20110057479
- Publication date Mar 10, 2011
- KOMATSU LTD.
- Akihide Namura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CAB AND CONSTRUCTION MACHINE
- Publication number 20100187860
- Publication date Jul 29, 2010
- KOMATSU LTD.
- Hiroaki Tanaka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
REINFORCEMENT STRUCTURE FOR PIPE AND CAB STRUCTURE FOR CONSTRUCTION...
- Publication number 20090273206
- Publication date Nov 5, 2009
- KOMATSU LTD.
- Akihide Namura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
PIPE EXPANDING METHOD AND PIPE EXPANDING DEVICE FOR STEEL PIPE
- Publication number 20090090159
- Publication date Apr 9, 2009
- Komatsu Ltd.
- Takahiro Noguchi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...