Inventor
MATSUMOTO NAOMI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO NAOMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
7 patentsUS9007878B2Apr 14, 2015
Glass for magnetic recording medium substrate and usage thereof
HOYA CORP41 citations94
US8852745B2Oct 7, 2014
Optical glass, press-molding glass material, optical element and method of manufacturing the same, and bonded optical element
HOYA CORP12 citations83
US12330984B2Jun 17, 2025
Glass and optical element
HOYA CORP2 citations73
US11656456B2May 23, 2023
Optical element and optical apparatus
HOYA CORP2 citations72
US8885447B2Nov 11, 2014
Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use
HOYA CORP2 citations62
US12559414B2Feb 24, 2026
Glass having colored layer and method for manufacturing same
HOYA CORP0 citations60
US11774649B2Oct 3, 2023
Optical element and optical apparatus
HOYA CORP0 citations57
MATSUMOTO NAOMI
3 patentsUS8394516B2Mar 12, 2013
Glass substrate for magnetic recording medium and magnetic recording medium
MATSUMOTO NAOMI15 citations82
US8603653B2Dec 10, 2013
Glass for magnetic recording medium substrate, magnetic recording medium substrate and method of manufacturing the same, and magnetic recording medium
MATSUMOTO NAOMI5 citations71
US8824248B2Sep 2, 2014
Glass for magnetic recording medium substrate and usage thereof
MATSUMOTO NAOMI3 citations61