Inventor · disambiguated record
Tsuyoshi Hayakawa
Also filed as: HAYAKAWA TSUYOSHI
21 granted patents·4 pending applications·525 citations·filing 1986–2024
95Inventor score
Top patents by PatentIndex Score
25 records- 0193US5581288AInk jet head blockSEIKO PRECISION KK·Filed 1993·Granted Dec 3, 1996·104 cites·4 claims
- 0289US5336004ADot printerSEIKOSHA KK·Filed 1993·Granted Aug 9, 1994·86 cites·47 claims
- 0387US5637874AApparatus and method for measuring chemiluminescenceBIO SENSOR KENKYUSHO KK·Filed 1995·Granted Jun 10, 1997·120 cites·17 claims
- 0483US4862004ARadiation dose measuring method and apparatus with nuclide discrimination functionHAMAMATSU PHOTONICS KK·Filed 1988·Granted Aug 29, 1989·29 cites·19 claims
- 0582USD328136SBlood sugar stripTERUMO CORP·Filed 1989·Granted Jul 21, 1992·20 cites·1 claims
- 0679US5397537ATest instrumentTERUMO CORP·Filed 1993·Granted Mar 14, 1995·53 cites·35 claims
- 0776US10035213B2Welding method and welding apparatusSHIRAI HIDEAKI·Filed 2012·Granted Jul 31, 2018·3 cites·22 claims
- 0873USD303227SClock movementSEIKOSHA KK·Filed 1986·Granted Sep 5, 1989·14 cites·1 claims
- 0969USD303228SClock movementSEIKOSHA KK·Filed 1986·Granted Sep 5, 1989·12 cites·1 claims
- 1066US2024181566A1Joined body and manufacturing method for metal member used for same joined bodyDENSO CORP·Filed 2024·Application pending·0 cites
- 1163US5260029AFluorescence detection of DNA basesHAMAMATSU PHOTONICS KK·Filed 1992·Granted Nov 9, 1993·26 cites·10 claims
- 1263US4912737AX-ray image observing deviceHAMAMATSU PHOTONICS KK·Filed 1988·Granted Mar 27, 1990·19 cites·27 claims
- 1360US11865640B2Concentric cylindrical member pair welding method and welding device thereofDENSO CORP·Filed 2020·Granted Jan 9, 2024·0 cites·7 claims
- 1453US5534903AInk jet headSEIKOSHA KK·Filed 1993·Granted Jul 9, 1996·12 cites·2 claims
- 1544US2005230370A1Laser beam machining equipment and method for machining by using laser beamDENSO CORP·Filed 2005·Application pending·0 cites
- 1641US5344245ASerial printerSEIKOSHA KK·Filed 1992·Granted Sep 6, 1994·6 cites·19 claims
- 1741US5105398AThree hands type clock with belt driveSEIKOSHA KK·Filed 1991·Granted Apr 14, 1992·10 cites·3 claims
- 1840US2005258152A1Laser beam machining methodDENSO CORP·Filed 2005·Application pending·0 cites
- 1939US9061364B2TIG welding method and apparatusHAYAKAWA TSUYOSHI·Filed 2012·Granted Jun 23, 2015·0 cites·2 claims
- 2037US2005218123A1Laser welding method of resin materialsHAYAKAWA TSUYOSHI·Filed 2005·Application pending·0 cites
- 2136US10160056B2Arc welding equipmentDENSO CORP·Filed 2015·Granted Dec 25, 2018·0 cites·5 claims
- 2235US5523845AA fiber optic device for measuring liquids which are drawn into an end of the device to a predetermined distance from the end of the optical fibersBIO SENSOR KENKYUSHO KK·Filed 1995·Granted Jun 4, 1996·7 cites·11 claims
- 2331USD333105SClock movementSEIKOSHA KK·Filed 1989·Granted Feb 9, 1993·0 cites·1 claims
- 2431US4796239ACircuit unit for timepiece and process for fabricating the sameSEIKOSHA KK·Filed 1987·Granted Jan 3, 1989·2 cites·10 claims
- 2531US4745682AMethod of connecting coilSEIKOSHA KK·Filed 1987·Granted May 24, 1988·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →