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Sayama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Stair climbing wheelchair carrier
Patent number
7,434,815
Issue date
Oct 14, 2008
Sunwa Ltd.
Tsutomu Kikusato
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Stair-climbing wheelchair carrier
Patent number
7,347,426
Issue date
Mar 25, 2008
Sunwa, Ltd.
Masaaki Negishi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Stair-climbing vehicle for wheelchair
Patent number
6,158,536
Issue date
Dec 12, 2000
Sunwa Ltd.
Rintaro Misawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wheelchair transporter for use on an escalator and an escalator con...
Patent number
5,996,767
Issue date
Dec 7, 1999
Sunwa Ltd.
Rintaro Misawa
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Transporter for patient's emergency escape
Patent number
5,797,606
Issue date
Aug 25, 1998
Sunwa Ltd.
Rintaro Misawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Stair climbing wheelchair carrier
Publication number
20060076739
Publication date
Apr 13, 2006
Sunwa Ltd.
Tsutomu Kikusato
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Stair-climbing wheelchair carrier
Publication number
20060038360
Publication date
Feb 23, 2006
Sunwa Ltd.
Masaaki Negishi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Trademark
last 30 trademarks
Information
Trademark
75111880 - SUNWA
Serial number
75111880
Registration number
2270105
Filing date
May 30, 1996
Sunwa Ltd.
7 - Machines and machine tools