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Inventor
ISHIZAKA KAZUNORI
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “ISHIZAKA KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ISHIZAKA KAZUNORI
1 patent
US8265327B2
Sep 11, 2012
Ear piece and earphone
ISHIZAKA KAZUNORI
7 citations
73
NIPPON STEEL CORP
1 patent
US5189508A
Feb 23, 1993
Silicon wafer excelling in gettering ability and method for production thereof
NIPPON STEEL CORP
15 citations
70
FUJIKURA TAKASHI
1 patent
US8891799B2
Nov 18, 2014
Earphone
FUJIKURA TAKASHI
3 citations
58