Inventor · disambiguated record
Masaaki Mandai
Also filed as: MANDAI MASAAKI · TORISAWA AKIRA · UEDA MAKOTO
20 granted patents·305 citations·filing 1978–1997
96Inventor score
Top patents by PatentIndex Score
20 records- 0189US4326278AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Apr 20, 1982·41 cites·12 claims
- 0281US5076543AProjection pad using liquid crystal panelSEIKO INSTR INC·Filed 1989·Granted Dec 31, 1991·18 cites·16 claims
- 0379US4312059AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jan 19, 1982·23 cites·22 claims
- 0475US4321520AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1979·Granted Mar 23, 1982·18 cites·11 claims
- 0575US4321521ADetection device of electronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1979·Granted Mar 23, 1982·21 cites·17 claims
- 0673US5763903AAvalanche photodiode for light detectionSEIKO INSTR INC·Filed 1995·Granted Jun 9, 1998·45 cites·21 claims
- 0771US4382691AElectronic watchSEIKO INSTR & ELECTRONICS·Filed 1980·Granted May 10, 1983·22 cites·14 claims
- 0867US4272837AElectronic timepiece with rotation detectorSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jun 9, 1981·16 cites·4 claims
- 0960US4204397AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1978·Granted May 27, 1980·12 cites·4 claims
- 1058US4321519AMagnetic field detection device for electronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1979·Granted Mar 23, 1982·11 cites·8 claims
- 1154US5744379ASemiconductor device composed of plural semiconductor chips and coupling means which couple the semiconductor chips togetherSEIKO INSTR INC·Filed 1995·Granted Apr 28, 1998·17 cites·10 claims
- 1251US4352172ADetection device of electronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1980·Granted Sep 28, 1982·10 cites·12 claims
- 1351US4276626AElectronic watchSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jun 30, 1981·8 cites·5 claims
- 1451US4217751AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Aug 19, 1980·8 cites·5 claims
- 1548US4271496AElectronic watchSEIKO INSTR & ELECTRONICS·Filed 1978·Granted Jun 2, 1981·7 cites·5 claims
- 1642US5869893ASemiconductor device having a trapezoidal joint chipSEIKO INSTR INC·Filed 1997·Granted Feb 9, 1999·9 cites·11 claims
- 1738US5639693ASemiconductor device and process for fabricating the sameSEIKO INSTR INC·Filed 1994·Granted Jun 17, 1997·8 cites·20 claims
- 1838US4445784AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1982·Granted May 1, 1984·4 cites·10 claims
- 1936US4437769AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1980·Granted Mar 20, 1984·4 cites·16 claims
- 2032US5977575ASemiconductor sensor device comprised of plural sensor chips connected to function as a unitSEIKO INSTR INC·Filed 1993·Granted Nov 2, 1999·3 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →