Inventor
MITANI KAZUISHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “MITANI KAZUISHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SHEET GLASS CO LTD
14 patentsUS6568995B1May 27, 2003
Method for cleaning glass substrate
NIPPON SHEET GLASS CO LTD64 citations96
US6440531B1Aug 27, 2002
Hydrofluoric acid etched substrate for information recording medium
NIPPON SHEET GLASS CO LTD70 citations96
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
US6475599B1Nov 5, 2002
Substrate for information recording media
NIPPON SHEET GLASS CO LTD17 citations83
US6913702B2Jul 5, 2005
Amorphous material processing method and glass substrate
NIPPON SHEET GLASS CO LTD9 citations74
US6550278B2Apr 22, 2003
Method of manufacturing glass substrate for use as information recording medium
NIPPON SHEET GLASS CO LTD9 citations73
US6715318B2Apr 6, 2004
Glass substrate for information recording media and manufacturing method thereof
NIPPON SHEET GLASS CO LTD8 citations72
US10399894B2Sep 3, 2019
Glass sheet and method for producing glass sheet
NIPPON SHEET GLASS CO LTD6 citations68
US7727407B2Jun 1, 2010
Amorphous material processing method
NIPPON SHEET GLASS CO LTD2 citations63
US10093571B2Oct 9, 2018
Method for producing glass sheet and glass sheet
NIPPON SHEET GLASS CO LTD0 citations47
US10358381B2Jul 23, 2019
Method for producing glass sheet, and glass sheet
NIPPON SHEET GLASS CO LTD0 citations39
US10150696B2Dec 11, 2018
Method for producing glass sheet
NIPPON SHEET GLASS CO LTD0 citations39
HOYA CORP
6 patentsUS6782717B2Aug 31, 2004
Method for manufacturing glass substrate of information recording medium
HOYA CORP22 citations91
US7384870B2Jun 10, 2008
Method for manufacturing glass substrate
HOYA CORP11 citations84
US7140203B2Nov 28, 2006
Method for manufacturing glass substrate of information recording medium
HOYA CORP16 citations82
US7470476B2Dec 30, 2008
Glass substrate for magnetic recording medium and method for manufacturing the same
HOYA CORP12 citations80
US6821893B2Nov 23, 2004
Method of manufacturing a substrate for information recording media
HOYA CORP10 citations74
US7415841B2Aug 26, 2008
Method for producing chemically strengthened glass substrate for information recording medium
HOYA CORP4 citations62