Inventor
TAKAHASHI TAKEYOSHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI TAKEYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
7 patentsUS9595284B2Mar 14, 2017
Glass substrate for magnetic disk and magnetic disk
HOYA CORP11 citations83
US9595286B2Mar 14, 2017
Glass substrate for magnetic disk and magnetic disk
HOYA CORP10 citations83
US10535366B2Jan 14, 2020
Substrate for magnetic disk and magnetic disk
HOYA CORP2 citations72
US10431252B2Oct 1, 2019
Substrate for magnetic disk and magnetic disk
HOYA CORP2 citations72
US10290315B2May 14, 2019
Magnetic-disk substrate and magnetic disk
HOYA CORP1 citations72
US9583128B2Feb 28, 2017
Magnetic-disk glass substrate and magnetic disk
HOYA CORP3 citations72
US11094344B2Aug 17, 2021
Hard disk drive with magnetic-disk substrate
HOYA CORP0 citations62