Inventor
KURACHI JUNJI
JP35 patents
⚠️ This page may combine multiple inventors who share the name “KURACHI JUNJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SHEET GLASS CO LTD
27 patentsUS6440531B1Aug 27, 2002
Hydrofluoric acid etched substrate for information recording medium
NIPPON SHEET GLASS CO LTD70 citations96
US6399527B1Jun 4, 2002
Glass composition and substrate for information recording medium
NIPPON SHEET GLASS CO LTD57 citations96
US6376403B1Apr 23, 2002
Glass composition and process for producing the same
NIPPON SHEET GLASS CO LTD69 citations96
US6333286B1Dec 25, 2001
Glass composition and substrate for information recording media comprising the same
NIPPON SHEET GLASS CO LTD66 citations96
US6306786B1Oct 23, 2001
Glass composition and process for producing the same
NIPPON SHEET GLASS CO LTD81 citations96
US6251812B1Jun 26, 2001
Glass composition and substrate for information recording media comprising the same
NIPPON SHEET GLASS CO LTD47 citations96
US7309671B2Dec 18, 2007
Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same
NIPPON SHEET GLASS CO LTD34 citations93
US6743529B2Jun 1, 2004
Process for producing glass substrate for magnetic recording medium and glass substrate for magnetic recording medium obtained by the same
NIPPON SHEET GLASS CO LTD48 citations92
US6576353B1Jun 10, 2003
Glass substrate for use as information recording medium and method of manufacturing such glass substrate
NIPPON SHEET GLASS CO LTD16 citations92
US6547980B1Apr 15, 2003
Glass substrate for information recording medium, manufacturing method thereof, and information recording medium
NIPPON SHEET GLASS CO LTD22 citations92
US6365534B1Apr 2, 2002
Glass composition and substrate for information recording media comprising the same
NIPPON SHEET GLASS CO LTD32 citations92
US6340647B1Jan 22, 2002
Glass composition and substrate for information recording media comprising the same
NIPPON SHEET GLASS CO LTD32 citations92
US7767607B2Aug 3, 2010
Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same
NIPPON SHEET GLASS CO LTD10 citations84
US7407889B2Aug 5, 2008
Method of manufacturing article having uneven surface
NIPPON SHEET GLASS CO LTD16 citations83
US10717670B2Jul 21, 2020
Glass for laser processing and method for producing perforated glass using same
NIPPON SHEET GLASS CO LTD10 citations82
US9764980B2Sep 19, 2017
Glass composition, glass composition for chemical strengthening, strengthened glass article, and cover glass for display
NIPPON SHEET GLASS CO LTD8 citations82
US6913702B2Jul 5, 2005
Amorphous material processing method and glass substrate
NIPPON SHEET GLASS CO LTD9 citations74
US7838452B2Nov 23, 2010
Ultraviolet ray transmitting glass composition and glass article making use of the same
NIPPON SHEET GLASS CO LTD7 citations73
US6550278B2Apr 22, 2003
Method of manufacturing glass substrate for use as information recording medium
NIPPON SHEET GLASS CO LTD9 citations73
US9783451B2Oct 10, 2017
Glass composition, glass composition for chemical strengthening, strengthened glass article, and cover glass for display
NIPPON SHEET GLASS CO LTD4 citations71
US9688573B2Jun 27, 2017
Glass composition, chemically strengthened glass, and glass substrate for information recording medium
NIPPON SHEET GLASS CO LTD4 citations71
US9688565B2Jun 27, 2017
Glass composition, glass composition for chemical strengthening, strengthened glass article, and cover glass for display
NIPPON SHEET GLASS CO LTD5 citations71
US11840477B2Dec 12, 2023
Glass composition, glass fiber, glass cloth, and method for producing glass fiber
NIPPON SHEET GLASS CO LTD2 citations69
US11773009B2Oct 3, 2023
Glass composition, glass fiber, glass cloth, and method for producing glass fiber
NIPPON SHEET GLASS CO LTD2 citations69
US12391599B2Aug 19, 2025
Glass composition for chemical strengthening and chemically strengthened glass article
NIPPON SHEET GLASS CO LTD1 citations63
US7727407B2Jun 1, 2010
Amorphous material processing method
NIPPON SHEET GLASS CO LTD2 citations63
US12534397B2Jan 27, 2026
Glass filler and method for producing the same, and resin composition including glass filler
NIPPON SHEET GLASS CO LTD0 citations59
AVANSTRATE INC
4 patentsUS7763559B2Jul 27, 2010
Glass substrate for display and display
AVANSTRATE INC40 citations96
US8383530B2Feb 26, 2013
Glass substrate for display and display
AVANSTRATE INC3 citations63
US8741794B2Jun 3, 2014
Glass substrate for display and display
AVANSTRATE INC0 citations52
US7781354B2Aug 24, 2010
Glass composition and method for production thereof, and glass substrate for information display device and information display device using the same
AVANSTRATE INC1 citations52
HOYA CORP
3 patentsUS7273668B2Sep 25, 2007
Glass composition including zirconium, chemically strengthened glass article, glass substrate for magnetic recording media, and method of producing glass sheet
HOYA CORP20 citations93
US7040953B2May 9, 2006
Substrate for information recording media and manufacturing method thereof, and information recording medium
HOYA CORP19 citations92
US6821893B2Nov 23, 2004
Method of manufacturing a substrate for information recording media
HOYA CORP10 citations74