Inventor · disambiguated record
Chiaki Nakamura
Also filed as: NAKAMURA CHIAKI
31 granted patents·1,398 citations·filing 1979–2005
98Inventor score
Files withSEIKO INSTR INC17SEIKO EPSON CORP7DAINIPPON INK & CHEMICALS4DAIHO IND CO LTD2EASTMAN KODAK CO1
Top patents by PatentIndex Score
31 records- 0193US5905460AWrist watch type GPS receiverSEIKO INSTR INC·Filed 1997·Granted May 18, 1999·155 cites·17 claims
- 0291US6809498B2Power supply apparatus and electronic equipmentSEIKO INSTR INC·Filed 2002·Granted Oct 26, 2004·70 cites·101 claims
- 0390US4278728AEmbossed interior finishing materials having excellent cigarette mark resistanceDAINIPPON INK & CHEMICALS·Filed 1979·Granted Jul 14, 1981·47 cites·13 claims
- 0489US6246362B1Portable GPS signal receiving apparatusSEIKO INSTR INC·Filed 1998·Granted Jun 12, 2001·162 cites·20 claims
- 0588US7807333B2Method and apparatus for development of lithographic printing plate precursorEASTMAN KODAK CO·Filed 2005·Granted Oct 5, 2010·5 cites·13 claims
- 0687US5926131AGPS receiving apparatusSEIKO INSTR INC·Filed 1997·Granted Jul 20, 1999·140 cites·20 claims
- 0781US5569474AMold for injection molding of plastics using thin film electric heaterDAIHO IND CO LTD·Filed 1995·Granted Oct 29, 1996·53 cites·5 claims
- 0880US5705793AThin film electric heater, and method and apparatus for injection molding of plastics using the sameDAIHO IND CO LTD·Filed 1996·Granted Jan 6, 1998·40 cites·4 claims
- 0973US5908396APitch measurement device, electronic instrument, and pitch measurement methodSEIKO EPSON CORP·Filed 1996·Granted Jun 1, 1999·54 cites·20 claims
- 1073US4785435ASelf-chargeable electronic timepiece with operating voltage checkingSEIKO INSTR INC·Filed 1987·Granted Nov 15, 1988·31 cites·11 claims
- 1171US6758816B1Pulse wave detectorSEIKO INSTR INC·Filed 2000·Granted Jul 6, 2004·55 cites·21 claims
- 1268US5697374APulse rate monitorSEIKO INSTR INC·Filed 1994·Granted Dec 16, 1997·117 cites·21 claims
- 1366US6371920B1Pulse wave detecting deviceSEIKO INSTR INC·Filed 2000·Granted Apr 16, 2002·39 cites·18 claims
- 1462US6009375APortable GPS receiverSEIKO INSTR INC·Filed 1997·Granted Dec 28, 1999·45 cites·5 claims
- 1559US5475725APulse meter with pedometer functionSEIKO INSTR INC·Filed 1994·Granted Dec 12, 1995·84 cites·19 claims
- 1658US5787054APortable electronic deviceSEIKO EPSON CORP·Filed 1996·Granted Jul 28, 1998·24 cites·6 claims
- 1752US5795301ADisplay method used in portable pulse measuring deviceSEIKO EPSON CORP·Filed 1996·Granted Aug 18, 1998·64 cites·18 claims
- 1852US5280459AElectronic timepieceSEIKO INSTR INC·Filed 1993·Granted Jan 18, 1994·14 cites·8 claims
- 1951US6155983APulse wave detecting device and pulse measurerSEIKO EPSON CORP·Filed 1998·Granted Dec 5, 2000·60 cites·15 claims
- 2049US6295248B1Electronic tide meter, method for calculating a high/low tide time and computer algorithm for executing the sameSEIKO INSTR INC·Filed 1999·Granted Sep 25, 2001·9 cites·16 claims
- 2148US5766132AWrist-worn portable device and a wrist-worn pulse wave measuring deviceSEIKO EPSON CORP·Filed 1996·Granted Jun 16, 1998·50 cites·10 claims
- 2242US6798718B1Sensor timepiece, sensor timepiece data input system and method, and computer readable recording mediumSEIKO INSTR INC·Filed 2000·Granted Sep 28, 2004·1 cites·15 claims
- 2342US4750099ACircuit for charging capacitorsSEIKO INSTR INC·Filed 1987·Granted Jun 7, 1988·10 cites·18 claims
- 2441US4591545APhotosensitive image-forming material having a layer of photosensitive polyester modified with chain extenderDAINIPPON INK & CHEMICALS·Filed 1984·Granted May 27, 1986·5 cites·14 claims
- 2539US5759156APeriod and frequency measurement device with correction device and method thereofSEIKO EPSON CORP·Filed 1996·Granted Jun 2, 1998·26 cites·20 claims
- 2639US4684601APhotosensitive image-forming material having a layer of photosensitive polyester modified with chain extenderDAINIPPON INK & CHEMICALS·Filed 1986·Granted Aug 4, 1987·4 cites·9 claims
- 2738US6226594B1Electronic tide meter, spring tide day calculating method, and recording medium for the sameSEIKO INSTR INC·Filed 1999·Granted May 1, 2001·6 cites·12 claims
- 2836US4640887APhotosensitive image-forming material comprised of carboxyl groups developable in aqueous alkaline base solutionsDAINIPPON INK & CHEMICALS·Filed 1985·Granted Feb 3, 1987·4 cites·20 claims
- 2934US6129676AMovement rate monitorSEIKO INSTR INC·Filed 1997·Granted Oct 10, 2000·13 cites·4 claims
- 3032US6023662AMeasurement device, portable electronic instrument, and measurement methodSEIKO EPSON CORP·Filed 1996·Granted Feb 8, 2000·10 cites·9 claims
- 3130US5857465ABiosignal display apparatusSEIKO INSTR INC·Filed 1995·Granted Jan 12, 1999·1 cites·23 claims
Join the waitlist — get patent alerts
Get an alert when Chiaki Nakamura files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →