Assignee

TECHNO RYOWA CO LTD

JP·2 granted patents·98 citations·filing 1992–1995

Technology mixH05F2 B03C1 H01T1

Top patents by PatentIndex Score

2 records

0180US5847917AAir ionizing apparatus and methodTECHNO RYOWA CO LTD·Filed 1995·Granted Dec 8, 1998·68 cites·18 claims
0271US5296018AMethod and apparatus for eliminating electric charges in a clean roomTECHNO RYOWA CO LTD·Filed 1992·Granted Mar 22, 1994·30 cites·3 claims

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