Inventor
NAKAMURA SHOJI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA SHOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
13 patentsUS4606750AAug 19, 1986
Mold for direct press molding of optical glass element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations93
US6009728AJan 4, 2000
Die for press-molding optical elements
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US6003336ADec 21, 1999
Method of manufacturing a die for press-molding optical elements
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations92
US5700307ADec 23, 1997
Die for press-molding optical elements
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US5766294AJun 16, 1998
Method and apparatus for producing an optical element using a molding block and a temperature effecting mechanism contacting the molding block for heat exchange
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations91
US5188652AFeb 23, 1993
Machine for molding optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations90
US5015280AMay 14, 1991
Mold for molding optical elements
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations90
US5759221AJun 2, 1998
Method of press molding glass optical elements
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73
US5718850AFeb 17, 1998
Method and device for manufacturing optical elements
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations72
US5322541AJun 21, 1994
Method of producing glass blank
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations72
US5201927AApr 13, 1993
Method of producing the optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations71
US5965069AOct 12, 1999
Method for making optical preforms and optical elements by press
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations70
US5904747AMay 18, 1999
Method of molding optical articles
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62