Assignee

KAWATA MASAYUKI

JP·2 granted patents·35 citations·filing 1989–2011

Technology mixG04C2 G04F1 G04G1

Top patents by PatentIndex Score

2 records

0176US5023853AElectric apparatus with silent alarmKAWATA MASAYUKI·Filed 1989·Granted Jun 11, 1991·35 cites·11 claims
0242US8545093B2Switch structure, and chronograph mechanism and electronic timepiece using the sameKAWATA MASAYUKI·Filed 2011·Granted Oct 1, 2013·0 cites·27 claims

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