Inventor · disambiguated record
Akira Torisawa
Also filed as: ASANO KAZUHIRO · SATOH KATSUHIKO · TORISAWA AKIRA · UEDA MAKOTO
42 granted patents·819 citations·filing 1976–1998
98Inventor score
Top patents by PatentIndex Score
42 records- 0189US6459721B1Spread spectrum receiving apparatusCANON KK·Filed 1998·Granted Oct 1, 2002·94 cites·13 claims
- 0289US4326278AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Apr 20, 1982·41 cites·12 claims
- 0385US5477098AEfficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the sameCANON KK·Filed 1994·Granted Dec 19, 1995·35 cites·28 claims
- 0484US4963808AMotor control apparatusCANON KK·Filed 1989·Granted Oct 16, 1990·44 cites·10 claims
- 0584US4794292AStepping motor with divided stator pole piecesCANON KK·Filed 1987·Granted Dec 27, 1988·48 cites·6 claims
- 0683US5815055AMatched filter with improved synchronous characteristics, and reception device and communication system using the sameCANON KK·Filed 1996·Granted Sep 29, 1998·43 cites·54 claims
- 0779US4312059AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jan 19, 1982·23 cites·22 claims
- 0877US4972109AStepping motorCANON KK·Filed 1988·Granted Nov 20, 1990·39 cites·2 claims
- 0975US4321520AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1979·Granted Mar 23, 1982·18 cites·11 claims
- 1075US4321521ADetection device of electronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1979·Granted Mar 23, 1982·21 cites·17 claims
- 1174US5029264ARecording apparatusCANON KK·Filed 1989·Granted Jul 2, 1991·21 cites·15 claims
- 1271US4382691AElectronic watchSEIKO INSTR & ELECTRONICS·Filed 1980·Granted May 10, 1983·22 cites·14 claims
- 1368US6020672ASurface acoustic wave converter with improved frequency characteristics, surface acoustic wave device using such converter, and communication system using such deviceCANON KK·Filed 1996·Granted Feb 1, 2000·22 cites·10 claims
- 1467US4272837AElectronic timepiece with rotation detectorSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jun 9, 1981·16 cites·4 claims
- 1566US5856997ASpread spectrum receiving apparatusCANON KK·Filed 1995·Granted Jan 5, 1999·30 cites·24 claims
- 1666US5539687ACorrelator and communication system using itCANON KK·Filed 1993·Granted Jul 23, 1996·25 cites·28 claims
- 1766US5075609ARecording apparatusCANON KK·Filed 1990·Granted Dec 24, 1991·25 cites·6 claims
- 1864US5760525ASurface acoustic wave device and communication system using itCANON KK·Filed 1996·Granted Jun 2, 1998·19 cites·36 claims
- 1962US4952859AStepping motorCANON KK·Filed 1988·Granted Aug 28, 1990·22 cites·2 claims
- 2060US5097189ARecording apparatusCANON KK·Filed 1990·Granted Mar 17, 1992·21 cites·5 claims
- 2160US4928050ARecorderCANON KK·Filed 1989·Granted May 22, 1990·22 cites·9 claims
- 2260US4204397AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1978·Granted May 27, 1980·12 cites·4 claims
- 2359US5717274AEfficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the sameCANON KK·Filed 1997·Granted Feb 10, 1998·13 cites·18 claims
- 2459US4312058AElectronic watchSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jan 19, 1982·8 cites·8 claims
- 2558US5596426AImage processing method and apparatusCANON KK·Filed 1995·Granted Jan 21, 1997·20 cites·31 claims
- 2658US4321519AMagnetic field detection device for electronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1979·Granted Mar 23, 1982·11 cites·8 claims
- 2755US4209971AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jul 1, 1980·8 cites·4 claims
- 2851US4352172ADetection device of electronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1980·Granted Sep 28, 1982·10 cites·12 claims
- 2951US4276626AElectronic watchSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jun 30, 1981·8 cites·5 claims
- 3051US4217751AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Aug 19, 1980·8 cites·5 claims
- 3148US5457487AColor image forming apparatus which times release of each of plural color image signalsCANON KK·Filed 1992·Granted Oct 10, 1995·11 cites·18 claims
- 3248US4271496AElectronic watchSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jun 2, 1981·7 cites·5 claims
- 3343US4241434AStepping motor mechanism for an electronic watchSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Dec 23, 1980·5 cites·8 claims
- 3442US5629781AHigh-speed image processing using parallel storageCANON KK·Filed 1995·Granted May 13, 1997·8 cites·21 claims
- 3541US4368990AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1980·Granted Jan 18, 1983·5 cites·5 claims
- 3640US5962950ACompact surface acoustic wave apparatus, spread spectrum signal receiver using the same apparatus for reception of spread spectrum signal, and spread spectrum signal communication system using the same spread spectrum signal receiverCANON KK·Filed 1996·Granted Oct 5, 1999·10 cites·15 claims
- 3738US5638191AImage forming apparatusCANON KK·Filed 1996·Granted Jun 10, 1997·5 cites·24 claims
- 3838US4445784AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1982·Granted May 1, 1984·4 cites·10 claims
- 3937US5754303AImage forming apparatus with a digital modulatorCANON KK·Filed 1996·Granted May 19, 1998·5 cites·20 claims
- 4037US4315329ALoad measuring device for the gear train of a timepieceSEIKO INSTR & ELECTRONICS·Filed 1979·Granted Feb 9, 1982·3 cites·5 claims
- 4136US6122068AImage forming apparatusCANON KK·Filed 1995·Granted Sep 19, 2000·4 cites·6 claims
- 4234US4075540AStepping motor for timepieceSEIKO INSTR & ELECTRONICS·Filed 1976·Granted Feb 21, 1978·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →