Inventor · disambiguated record
Nobuo Tsukada
Also filed as: TSUKADA NOBUO
13 granted patents·231 citations·filing 1975–1992
92Inventor score
Top patents by PatentIndex Score
13 records- 0195US4721058APaper cutting unit of automatic drawing machinesSEIKO INSTR & ELECTRONICS·Filed 1985·Granted Jan 26, 1988·84 cites·13 claims
- 0276US5023853AElectric apparatus with silent alarmKAWATA MASAYUKI·Filed 1989·Granted Jun 11, 1991·35 cites·11 claims
- 0369US5025186AUltrasonic motorSEIKO INSTR INC·Filed 1990·Granted Jun 18, 1991·27 cites·4 claims
- 0465US5079470AStanding-wave type ultrasonic motor and timepieceSEIKO INSTR INC·Filed 1990·Granted Jan 7, 1992·24 cites·31 claims
- 0557US5056201AMethod of making a travelling-wave motorSEIKO INSTR INC·Filed 1990·Granted Oct 15, 1991·15 cites·5 claims
- 0650US4023055AMounting device for a quartz tuning forkSEIKO INSTR & ELECTRONICS·Filed 1975·Granted May 10, 1977·7 cites·7 claims
- 0746US4114365ABattery lead plate member for an electronic wrist watchSEIKO INSTR & ELECTRONICS·Filed 1976·Granted Sep 19, 1978·8 cites·3 claims
- 0844US4012899AMicro motor for a timepieceSEIKO INSTR & ELECTRONICS·Filed 1975·Granted Mar 22, 1977·8 cites·3 claims
- 0940US5043956AWristwatch with oscillation alarmSEIKO INSTR INC·Filed 1990·Granted Aug 27, 1991·10 cites·20 claims
- 1036US4447163AStem mechanism for a watchSEIKO INSTR & ELECTRONICS·Filed 1982·Granted May 8, 1984·4 cites·6 claims
- 1135US5254899AMicro-traveller with ultrasonic motorSEIKO INSTR INC·Filed 1992·Granted Oct 19, 1993·9 cites·33 claims
- 1227US4645356AWristwatchSEIKO INSTR & ELECTRONICS·Filed 1985·Granted Feb 24, 1987·0 cites·8 claims
- 1325US4102123ABearing for a timepiece trainSEIKO INSTR & ELECTRONICS·Filed 1976·Granted Jul 25, 1978·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →