Inventor · disambiguated record
Hiroyuki Sugawara
Also filed as: KUROSAWA YUKIO · SUGAWARA HIROYUKI · TOKUYAMA SHUNJI
51 granted patents·7 pending applications·461 citations·filing 1975–2025
98Inventor score
Top patents by PatentIndex Score
58 records- 0194US4210790AVacuum-type circuit interrupterHITACHI LTD·Filed 1977·Granted Jul 1, 1980·48 cites·44 claims
- 0293US4163130AVacuum interrupter with pressure monitoring meansHITACHI LTD·Filed 1976·Granted Jul 31, 1979·41 cites·14 claims
- 0391US4216513AD.C. Circuit breakerHITACHI LTD·Filed 1978·Granted Aug 5, 1980·38 cites·8 claims
- 0490US7531767B2Method and apparatus for laser perforating printed circuit boardHITACHI VIA MECHANICS LTD·Filed 2006·Granted May 12, 2009·17 cites·18 claims
- 0589US4500998AGas laserHITACHI LTD·Filed 1982·Granted Feb 19, 1985·36 cites·10 claims
- 0689US4196327AVacuum interrupterHITACHI LTD·Filed 1977·Granted Apr 1, 1980·30 cites·13 claims
- 0780US2025379314A1Structure and method for fixing battery module to battery packISUZU MOTORS LTD·Filed 2025·Application pending·0 cites
- 0878US4088860AVacuum interrupter for high voltage applicationHITACHI LTD·Filed 1976·Granted May 9, 1978·18 cites·10 claims
- 0975US4287487AGas laser generating device of the longitudinal gas flow typeHITACHI LTD·Filed 1979·Granted Sep 1, 1981·18 cites·6 claims
- 1074US4351052ACoaxial type gas-flow laser deviceHITACHI LTD·Filed 1980·Granted Sep 21, 1982·21 cites·4 claims
- 1172US11965582B2Worm reducer and electric assist deviceNSK LTD·Filed 2020·Granted Apr 23, 2024·1 cites·18 claims
- 1272US4818892ALaser device with high-voltage pulse generator, high-voltage pulse generator and pulse generating methodHITACHI LTD·Filed 1987·Granted Apr 4, 1989·21 cites·15 claims
- 1372US2025300301A1Battery cell holder, battery module, and battery packISUZU MOTORS LTD·Filed 2025·Application pending·0 cites
- 1471US12409534B2Fastening tool and method of producing fastened productSUBARU CORP·Filed 2024·Granted Sep 9, 2025·0 cites·20 claims
- 1570US4021633APersistent current switch including electrodes forming parallel conductive and superconductive pathsHITACHI LTD·Filed 1975·Granted May 3, 1977·26 cites·8 claims
- 1668US11335831B2Optical device case and optical deviceSHARP KK·Filed 2018·Granted May 17, 2022·1 cites·12 claims
- 1768US2024075538A1Collet bush and tool driving deviceSUBARU CORP·Filed 2023·Application pending·0 cites
- 1863US11969803B2Drill and method of producing drilled productSUBARU CORP·Filed 2022·Granted Apr 30, 2024·0 cites·23 claims
- 1963US11400524B2Drill and method of producing drilled productSUBARU CORP·Filed 2020·Granted Aug 2, 2022·0 cites·22 claims
- 2062US12202057B2Drill and method of producing drilled productSUBARU CORP·Filed 2021·Granted Jan 21, 2025·0 cites·17 claims
- 2162US7749428B2Method of manufacturing a clad material of bronze alloy and steelDAIDO METAL CO LTD·Filed 2007·Granted Jul 6, 2010·1 cites·7 claims
- 2262US4602372AGas laser generatorHITACHI LTD·Filed 1983·Granted Jul 22, 1986·13 cites·6 claims
- 2361US7831359B2Passenger detecting device adapted for motor vehicleCALSONIC KANSEI CORP·Filed 2007·Granted Nov 9, 2010·4 cites·12 claims
- 2460US4541097AGas laser device with plural electrode members on the upper gas flow sideHITACHI LTD·Filed 1982·Granted Sep 10, 1985·12 cites·5 claims
- 2559US9030061B2Galvanoscanner and laser processing machineVIA MECHANICS LTD·Filed 2014·Granted May 12, 2015·0 cites·3 claims
- 2659US9030060B2Galvanoscanner and laser processing machineVIA MECHANICS LTD·Filed 2014·Granted May 12, 2015·0 cites·3 claims
- 2758US9914243B2Mold base material, production method for mold base material, mold production method, and moldSHARP KK·Filed 2013·Granted Mar 13, 2018·0 cites·19 claims
- 2858US4391519AAxis-monitoring apparatus for a laser beamHITACHI LTD·Filed 1980·Granted Jul 5, 1983·12 cites·11 claims
- 2957US11091830B2Moth-eye transfer mold, method of manufacturing moth-eye transfer mold, and method of transferring moth-eye structureUNIV TOKYO SCIENCE FOUND·Filed 2019·Granted Aug 17, 2021·0 cites·3 claims
- 3053US8780429B2Galvanoscanner and laser processing machineYAMAMOTO AKIHIRO·Filed 2011·Granted Jul 15, 2014·0 cites·21 claims
- 3153US7569026B2Method of producing blood processing circuits and filter unitTERUMO CORP·Filed 2004·Granted Aug 4, 2009·7 cites·26 claims
- 3252US8278594B2Method and apparatus for perforating printed circuit boardARAI KUNIO·Filed 2009·Granted Oct 2, 2012·0 cites·1 claims
- 3352US5038082AVacuum switch apparatusHITACHI LTD·Filed 1990·Granted Aug 6, 1991·10 cites·15 claims
- 3451US9512535B2Mold production methodISURUGI AKINOBU·Filed 2012·Granted Dec 6, 2016·0 cites·9 claims
- 3551US7366739B2Data storage systemSONY CORP·Filed 2003·Granted Apr 29, 2008·1 cites·6 claims
- 3651US4949339AMultiplexer apparatus adaptable for two kinds of transmission ratesNEC CORP·Filed 1988·Granted Aug 14, 1990·19 cites·14 claims
- 3751US4503357ACathode-ray tubeHITACHI LTD·Filed 1982·Granted Mar 5, 1985·7 cites·7 claims
- 3850US2020075861A1Resin substrate laminate and manufacturing method for electronic deviceGEOMATEC CO LTD·Filed 2018·Application pending·0 cites
- 3948US12228205B2Worm reducerNSK STEERING & CONTROL INC·Filed 2022·Granted Feb 18, 2025·0 cites·10 claims
- 4047US4331939AGas laser deviceHITACHI LTD·Filed 1979·Granted May 25, 1982·6 cites·5 claims
- 4147US4229631AVacuum-type circuit breakerHITACHI LTD·Filed 1978·Granted Oct 21, 1980·5 cites·12 claims
- 4246US10675788B2Method for producing moldSHARP KK·Filed 2015·Granted Jun 9, 2020·0 cites·12 claims
- 4346US7522262B2Method for determining position of reference pointHITACHI VIA MECHANICS LTD·Filed 2005·Granted Apr 21, 2009·0 cites·3 claims
- 4446US4474468AMethod of and apparatus for measuring laser beamHITACHI LTD·Filed 1981·Granted Oct 2, 1984·8 cites·1 claims
- 4545US10240239B2Manufacturing method of metal component and manufacturing method of electronic apparatusSEIKO EPSON CORP·Filed 2017·Granted Mar 26, 2019·0 cites·6 claims
- 4645US7521650B2Laser machining apparatusHITACHI VIA MECHANICS LTD·Filed 2004·Granted Apr 21, 2009·1 cites·2 claims
- 4744US4468777AMirror supporting frame for gas laser oscillation apparatusHITACHI LTD·Filed 1981·Granted Aug 28, 1984·7 cites·12 claims
- 4844US2006180526A1Blood treating set and cell treating setTERUMO CORP·Filed 2004·Application pending·0 cites
- 4941US4427857AVacuum interrupterHITACHI LTD·Filed 1981·Granted Jan 24, 1984·4 cites·8 claims
- 5039US4991180AMetallic vapor laser apparatusHITACHI LTD·Filed 1990·Granted Feb 5, 1991·8 cites·11 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Sugawara 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 →