Inventor: Takeshi Kuwana

Address: Tokyo, JP
No. of patents: 4
Last patent issue date: 08/08/2000

Number	Title	Issue Date
6098834	Cap for beverage container A drinking receptacle cover comprising a slant cover plate having a top surface and a bottom surface and covering a heat insulating cup at the open top; a rim surrounding the cover plate; a valve assembly having a valve element for opening and closing a s...	08/08/2000
5596921	Thermally insulated cooking device A thermally insulated cooking device, including an insulated container, a cooking spot suspended inside the insulated cooking container, an insulated outer lid which closes off an upper opening of the insulated container, and an inner lid for closing off ...	01/28/1997
4990254	Portable water purifier A portable water purifier comprises an outer elongated hollow body having openings formed at the upper and lower portions, a cup adapted to be inserted in the outer elongated hollow body from the lower opening thereof, a filtering elongated hollow body ad...	02/05/1991
4669632	Evacuated heat insulation unit A plate like insulation unit which includes an evacuated bag having two gas impermeable films sealed at peripheries thereof to form the bag and a heat insulating core material charged into the bag. The one gas impermeable film of the bag is a first film h...	06/02/1987

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