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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hasegawa; Yutaka
Address:
Numazu, JP
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
6251208 Method for manufacturing a structure with fine ribs June 26, 2001
A structure having fine ribs with a high dimensional precision is used as the rear panel of a plasma display or as a micro organism carrier for use in a chemical device. The present invention aims to provide a method for manufacturing such a structure at low cost. According to the invent
5346522 Method and apparatus for molding optical glass elements or the like September 13, 1994
A method and apparatus are disclosed which place a glass blank on a lower mold arranged in an opposed relation to an upper mold, heat these molds and glass blank by an infrared lamp unit or high-frequency coil arranged around the molds and press-mold an optical glass element. In the meth
5340374 Method for molding optical glass elements August 23, 1994
The apparatus for molding an optical glass element is made up of relatively movable upper and lower molds for press molding a glass blank, and a plurality of infrared ray lamps encircling the upper and lower molds, temperature measuring devices for measuring the temperatures of the upper
5282878 Apparatus for molding optical glass elements February 1, 1994
The apparatus for molding an optical glass element is made up of relatively movable upper and lower molds for press molding a glass blank, and a plurality of infrared ray lamps encircling the upper and lower molds, temperature measuring devices for measuring the temperatures of the upper










 
 
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