Inventor
HAMANAKA KENJIRO
JP47 patents
⚠️ This page may combine multiple inventors who share the name “HAMANAKA KENJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SHEET GLASS CO LTD
35 patentsUS6437918B1Aug 20, 2002
Method of manufacturing flat plate microlens and flat plate microlens
NIPPON SHEET GLASS CO LTD58 citations96
US5982552ANov 9, 1999
Planar microlens array having high converging efficiency
NIPPON SHEET GLASS CO LTD50 citations96
US5500523AMar 19, 1996
Optical information transmitting device and method of manufacturing same
NIPPON SHEET GLASS CO LTD71 citations96
US5362961ANov 8, 1994
Optical information transmitting device and method of manufacturing same
NIPPON SHEET GLASS CO LTD51 citations96
US5074649ADec 24, 1991
Plate with lens array
NIPPON SHEET GLASS CO LTD99 citations96
US6129866AOct 10, 2000
Stamper for use in forming planar micro-lens array and method for forming thereof
NIPPON SHEET GLASS CO LTD56 citations95
US6523985B2Feb 25, 2003
Illuminating device
NIPPON SHEET GLASS CO LTD49 citations93
US6363603B1Apr 2, 2002
Erecting life-size resin lens array and method of manufacturing it
NIPPON SHEET GLASS CO LTD42 citations93
US6069740AMay 30, 2000
Planar microlens array and method of manufacturing same
NIPPON SHEET GLASS CO LTD38 citations93
US6031591AFeb 29, 2000
Liquid-crystal display device
NIPPON SHEET GLASS CO LTD34 citations93
US5990992ANov 23, 1999
Image display device with plural planar microlens arrays
NIPPON SHEET GLASS CO LTD54 citations93
US5867321AFeb 2, 1999
Planar microlens array and method of making same
NIPPON SHEET GLASS CO LTD27 citations93
US5202567AApr 13, 1993
Optical information transmitting device and method of manufacturing same
NIPPON SHEET GLASS CO LTD32 citations93
US6432328B2Aug 13, 2002
Method for forming planar microlens and planar microlens obtained thereby
NIPPON SHEET GLASS CO LTD41 citations92
US6220058B1Apr 24, 2001
Method of changing the surface of a glass substrate containing silver, by using a laser beam
NIPPON SHEET GLASS CO LTD28 citations92
US5337186AAug 9, 1994
Transmissive image display device
NIPPON SHEET GLASS CO LTD28 citations92
US6625864B2Sep 30, 2003
Method for manufacturing an erect image, unity magnification, resin lens array
NIPPON SHEET GLASS CO LTD15 citations84
US7238935B2Jul 3, 2007
Light detection device
NIPPON SHEET GLASS CO LTD12 citations82
US5121254AJun 9, 1992
Image transmitting element and process for producing photo-shield spacer plate used therein
NIPPON SHEET GLASS CO LTD20 citations81
US7152434B2Dec 26, 2006
Method for producing planar lens and planar lens array
NIPPON SHEET GLASS CO LTD10 citations74
US6912091B2Jun 28, 2005
Method of designing collimator array device and collimator array device manufactured thereby
NIPPON SHEET GLASS CO LTD8 citations74
US6847761B2Jan 25, 2005
Optical module and method of forming the optical module
NIPPON SHEET GLASS CO LTD7 citations74
US6470712B2Oct 29, 2002
Method of changing the surface of a glass substrate containing silver, by using a laser beam
NIPPON SHEET GLASS CO LTD9 citations74
US5130852AJul 14, 1992
Plate with lens array
NIPPON SHEET GLASS CO LTD11 citations74
US5046159ASep 3, 1991
Image transmitting element and process for producing same
NIPPON SHEET GLASS CO LTD17 citations74
US5613767AMar 25, 1997
Illuminating apparatus
NIPPON SHEET GLASS CO LTD14 citations73
US5446639AAug 29, 1995
Illuminating apparatus
NIPPON SHEET GLASS CO LTD7 citations73
US5163117ANov 10, 1992
Image transmitting element comprising an array of photo-transmissible holes
NIPPON SHEET GLASS CO LTD18 citations73
US7006291B2Feb 28, 2006
Optical device and method for fabricating the same
NIPPON SHEET GLASS CO LTD8 citations72
US7329372B2Feb 12, 2008
Method for producing aspherical structure, and aspherical lens array molding tool and aspherical lens array produced by the same method
NIPPON SHEET GLASS CO LTD2 citations63
US7142377B2Nov 28, 2006
Lens-attached light-emitting element
NIPPON SHEET GLASS CO LTD2 citations63
US6625353B2Sep 23, 2003
Optical module, alignment method of optical module, and alignment device of optical module
NIPPON SHEET GLASS CO LTD2 citations63
US4999006AMar 12, 1991
Coherent optical apparatus
NIPPON SHEET GLASS CO LTD3 citations63
US7903341B2Mar 8, 2011
Lens array of erecting unit magnification system, image reading apparatus and image writing apparatus using the lens array, as well as method for manufacturing the lens array
NIPPON SHEET GLASS CO LTD1 citations52
US6907162B2Jun 14, 2005
Optical module unit and optical module employing the optical module unit
NIPPON SHEET GLASS CO LTD1 citations52
PIONEER ELECTRONIC CORP
3 patentsUS4660191AApr 21, 1987
Tracking signal error generator for optical information devices
PIONEER ELECTRONIC CORP29 citations93
US4663750AMay 5, 1987
Focus error detection device for an optical recording/playing back system
PIONEER ELECTRONIC CORP11 citations72
US4658391AApr 14, 1987
Focus error detection device for an optical recording/playing back system
PIONEER ELECTRONIC CORP9 citations72