Masaki Seki

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ballast retaining structure, tool jig, and bedded track
- Patent number 8,720,792
- Issue date May 13, 2014
- Central Japan Railway Company
- Mikihito Kobayashi
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Guard rail apparatus for guiding derailed wheels
- Patent number 8,485,452
- Issue date Jul 16, 2013
- CENTRAL JAPAN RAILWAY COMPANY
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Wheel guard apparatus
- Patent number 8,418,932
- Issue date Apr 16, 2013
- CENTRAL JAPAN RAILWAY COMPANY
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Wheel guard device
- Patent number 8,302,877
- Issue date Nov 6, 2012
- CENTRAL JAPAN RAILWAY COMPANY
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Ballast retaining structure, bedded track
- Patent number 8,240,580
- Issue date Aug 14, 2012
- Central Japan Railroad Company
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Safety device for a train
- Patent number 7,891,577
- Issue date Feb 22, 2011
- CENTRAL JAPAN RAILWAY COMPANY
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
BALLAST RETAINING STRUCTURE, TOOL JIG, AND BEDDED TRACK
- Publication number 20110155818
- Publication date Jun 30, 2011
- Central Japan Railway Company
- Mikihito Kobayashi
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Guard Rail Apparatus for Guiding Derailed Wheels
- Publication number 20110121089
- Publication date May 26, 2011
- Central Japan Railway Company
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Wheel Guard Device
- Publication number 20110121088
- Publication date May 26, 2011
- Central Japan Railway Company
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Wheel Guard Apparatus
- Publication number 20110049254
- Publication date Mar 3, 2011
- Central Japan Railway Company
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
BALLAST RETAINING STRUCTURE, BEDDED TRACK
- Publication number 20100193596
- Publication date Aug 5, 2010
- Central Japan Railway Company
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Safety Device for a Train
- Publication number 20090200389
- Publication date Aug 13, 2009
- Central Japan Railway Company
- Masaki Seki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES