Inventor
SUGAWARA KISHIO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA KISHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
11 patentsUS6813906B1Nov 9, 2004
Method and apparatus for preparation of molded glass
HOYA CORP43 citations92
US6370915B1Apr 16, 2002
Method for supplying glass molding material to molds, and method for manufacturing glass optical elements
HOYA CORP20 citations92
US5114455AMay 19, 1992
Mold for producing lens, using mold recesses to aid in lens release
HOYA CORP24 citations92
US4915720AApr 10, 1990
Method of and apparatus for molding glass articles
HOYA CORP43 citations92
US4836838AJun 6, 1989
Apparatus for molding glass articles
HOYA CORP27 citations92
US4836840AJun 6, 1989
Press-molding device for lenses
HOYA CORP25 citations92
US4778505AOct 18, 1988
Method of molding glass body
HOYA CORP52 citations92
US6141991ANov 7, 2000
Press molding apparatus for glass optical elements and molding method for glass optical elements
HOYA CORP22 citations91
US6070436AJun 6, 2000
Manufacturing method for molded glass articles
HOYA CORP18 citations91
US5987922ANov 23, 1999
Manufacturing method for molded glass articles
HOYA CORP23 citations91
US7013676B2Mar 21, 2006
Press molding apparatus
HOYA CORP4 citations62