Inventor
EDA SHINJI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “EDA SHINJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
17 patentsUS6119483ASep 19, 2000
Process for producing glass substrate for information recording medium
HOYA CORP69 citations96
US6534120B1Mar 18, 2003
Chemically reinforced glass manufacture method, information recording medium glass substrate manufacture method, information recording medium manufacture method, and chemical reinforcement device
HOYA CORP34 citations92
US6427489B1Aug 6, 2002
Process for producing glass substrate for information recording medium and process for producing recording medium using said glass substrate
HOYA CORP16 citations92
US6134918AOct 24, 2000
Method of fabricating glass substrate for magnetic disk and method of fabricating magnetic disk
HOYA CORP43 citations92
US10783921B2Sep 22, 2020
Glass spacer and hard disk drive apparatus
HOYA CORP8 citations84
US6430965B2Aug 13, 2002
Process for producing glass substrate for information recording medium and process for producing recording medium using said glass substrate
HOYA CORP18 citations84
US7703303B2Apr 27, 2010
Magnetic disk glass substrate manufacturing method
HOYA CORP10 citations83
US12020735B2Jun 25, 2024
Substrate for magnetic disk and magnetic disk
HOYA CORP2 citations73
US11640833B2May 2, 2023
Substrate for magnetic disk and magnetic disk
HOYA CORP2 citations73
US11244706B2Feb 8, 2022
Glass spacer and hard disk drive apparatus
HOYA CORP2 citations73
US9085479B2Jul 21, 2015
Glass substrate for magnetic disk and manufacturing method thereof
HOYA CORP4 citations73
US9085486B2Jul 21, 2015
Glass substrate for a magnetic disk and magnetic disk
HOYA CORP5 citations73
US12475924B2Nov 18, 2025
Substrate for magnetic disk and magnetic disk
HOYA CORP0 citations62
US11705158B2Jul 18, 2023
Method for manufacturing ring-shaped glass spacer
HOYA CORP0 citations62
US11682425B2Jun 20, 2023
Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacer
HOYA CORP0 citations62
US11031038B2Jun 8, 2021
Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacer
HOYA CORP1 citations62
US12537025B2Jan 27, 2026
Method for manufacturing magnetic disk, magnetic disk, and magnetic disk precursor
HOYA CORP0 citations61
EDA SHINJI
5 patentsUS8806895B2Aug 19, 2014
Manufacturing method for a glass substrate for magnetic disk
EDA SHINJI7 citations83
US8785010B2Jul 22, 2014
Glass substrate for a magnetic disk and magnetic disk
EDA SHINJI8 citations83
US8733129B2May 27, 2014
Glass substrate for magnetic disk and manufacturing method thereof
EDA SHINJI11 citations83
US8973404B2Mar 10, 2015
Manufacturing method of glass substrate for magnetic disk, manufacturing method of glass blank, glass substrate for magnetic disk, and glass blank
EDA SHINJI4 citations72
US9003834B2Apr 14, 2015
Glass substrate for magnetic disk and manufacturing method thereof
EDA SHINJI0 citations41