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Inventor
YAMASHITA TAKAHIKO
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA TAKAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI VIA MECHANICS LTD
2 patents
US7637702B2
Dec 29, 2009
Drilling method
HITACHI VIA MECHANICS LTD
11 citations
82
US7130715B2
Oct 31, 2006
Machining method and machining apparatus
HITACHI VIA MECHANICS LTD
2 citations
61
HITACHI SEIKO KK
1 patent
US5200906A
Apr 6, 1993
Wire-cut electric discharge machining method
HITACHI SEIKO KK
10 citations
68