Inventor
UMETANI MAKOTO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “UMETANI MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
20 patentsUS5276538AJan 4, 1994
Display device with micro lens array
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD123 citations97
US5436764AJul 25, 1995
Die for forming a micro-optical element, manufacturing method therefor, micro-optical element and manufacturing method therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD57 citations96
US4842633AJun 27, 1989
Method of manufacturing molds for molding optical glass elements and diffraction gratings
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD121 citations96
US6119485ASep 19, 2000
Press-molding die, method for manufacturing the same and glass article molded with the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations92
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
US5405652AApr 11, 1995
Method of manufacturing a die for use in molding glass optical elements having a fine pattern of concavities and convexities
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US5171347ADec 15, 1992
Method of manufacturing glass optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations92
US4953385ASep 4, 1990
Information storage stamper and method of manufacturing disks using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US5425118AJun 13, 1995
Optical component mounting substrate and method of producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations91
US5171348ADec 15, 1992
Die for press-molding optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD48 citations91
US6989114B1Jan 24, 2006
Micro-shape transcription method, micro-shape transcription apparatus, and optical-component manufacture method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations84
US5759457AJun 2, 1998
Method for manufacturing an optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US5120343AJun 9, 1992
Apparatus for producing optical glass element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations81
US5087279AFeb 11, 1992
Method of producing optical glass element and production apparatus using this method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations81
US6151917ANov 28, 2000
Press-molding die for magnetic-disk glass substrate
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US5759221AJun 2, 1998
Method of press molding glass optical elements
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73
US5538528AJul 23, 1996
Glass optical element press-molding die having a tantalum containing alloy surface layer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US5904747AMay 18, 1999
Method of molding optical articles
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62