Inventor · disambiguated record
Isao Masuda
Also filed as: MASUDA ISAO
38 granted patents·2 pending applications·804 citations·filing 1974–2021
98Inventor score
Top patents by PatentIndex Score
40 records- 0189US5738184AMuffler for a two-stroke engineKIORITZ CORP·Filed 1996·Granted Apr 14, 1998·68 cites·6 claims
- 0287US6243469B1Information transmission method and apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jun 5, 2001·191 cites·38 claims
- 0386US4474942ACross-linked polyesteramide from bis(2-oxazoline)TAKEDA CHEMICAL INDUSTRIES LTD·Filed 1983·Granted Oct 2, 1984·44 cites·14 claims
- 0484US5373119AExhaust muffler for internal combustion engineKIORITZ CORP·Filed 1993·Granted Dec 13, 1994·59 cites·5 claims
- 0580US4871230ASingle mode phosphate laser glass fiberHOYA CORP·Filed 1988·Granted Oct 3, 1989·27 cites·4 claims
- 0678US4930467AInternal combustion engine with automatic starter for portable working machineKIORITZ CORP·Filed 1988·Granted Jun 5, 1990·31 cites·3 claims
- 0774US4317109APattern recognition system for hand-written characters operating on an on-line real-time basisNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Feb 23, 1982·51 cites·2 claims
- 0873US4596981ASynchronizing signal detecting circuit in a digital signal transmitting systemVICTOR COMPANY OF JAPAN·Filed 1984·Granted Jun 24, 1986·33 cites·5 claims
- 0972US6714649B1Pay broadcasting system with enhanced security against illegal access to a down loaded program in a subscriber terminalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 30, 2004·47 cites·17 claims
- 1071US12257896B2Traveling operation device of crawler-type aerial work platformHOKUETSU KOGYO CO·Filed 2021·Granted Mar 25, 2025·1 cites·8 claims
- 1171US4509155ACircuit arrangement for a disk player for reproducing information prerecorded in the form of pitsVICTOR COMPANY OF JAPAN·Filed 1982·Granted Apr 2, 1985·15 cites·6 claims
- 1270US8166999B2Gas block device and gas block methodUEKI KOUICHI·Filed 2005·Granted May 1, 2012·11 cites·8 claims
- 1370US4960194ACentrifugal clutchKIORITZ CORP·Filed 1989·Granted Oct 2, 1990·20 cites·2 claims
- 1468US4579937ACatalytic process for producing cross-linked polyesteramide from bis-oxazoline and dicarboxylic acidTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1984·Granted Apr 1, 1986·18 cites·13 claims
- 1568US4516163ADigital information signal recording systemVICTOR COMPANY OF JAPAN·Filed 1983·Granted May 7, 1985·14 cites·6 claims
- 1659US5206467AMuffler with a catalystKIORITZ CORP·Filed 1992·Granted Apr 27, 1993·28 cites·4 claims
- 1759US4838116ACrankKIORITZ CORP·Filed 1988·Granted Jun 13, 1989·17 cites·2 claims
- 1858US4600766AProcess for producing cross-linked resin from bis(2-oxazoline) and aromatic hydroxy-carboxylic acidTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1984·Granted Jul 15, 1986·18 cites·23 claims
- 1955US5440083AExhaust muffler for internal combustion engineKIORITZ CORP·Filed 1994·Granted Aug 8, 1995·24 cites·4 claims
- 2050US12428280B2Method and device for preventing collision of aerial work platform with upward obstacleHOKUETSU KOGYO CO·Filed 2020·Granted Sep 30, 2025·0 cites·12 claims
- 2149US4726652AFaraday rotation single-mode optical fiberHOYA CORP·Filed 1986·Granted Feb 23, 1988·13 cites·2 claims
- 2248US8447159B2Stream recording apparatusMORI HIROFUMI·Filed 2007·Granted May 21, 2013·0 cites·19 claims
- 2346US2014237519A1Control device and control methodFUJITSU MOBILE COMM LTD·Filed 2013·Application pending·0 cites
- 2445US4391916AAlkali-free glass for photoetching maskHOYA CORP·Filed 1982·Granted Jul 5, 1983·7 cites·2 claims
- 2544US2008007647A1Electronic appliance and power supply identification methodSONY CORP·Filed 2007·Application pending·0 cites
- 2642US5303046AVideo signal processing apparatus with time base correction and inhibition of horizontal sync signal replacement during vertical flybackSONY CORP·Filed 1992·Granted Apr 12, 1994·7 cites·4 claims
- 2742US5211153ATwo-cycle internal combustion gasoline engine cylinderKIORITZ CORP·Filed 1992·Granted May 18, 1993·9 cites·3 claims
- 2842US4360824ASystems for recording both information and pilot signals directly on recording mediumVICTOR COMPANY OF JAPAN·Filed 1980·Granted Nov 23, 1982·4 cites·6 claims
- 2941US9695720B2Method of regenerating exhaust gas post-processing apparatus in engine-driven generator, and regeneration apparatusHOKUETSU KOGYO CO·Filed 2015·Granted Jul 4, 2017·0 cites·20 claims
- 3041US4667318AData producing device in a signal reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1983·Granted May 19, 1987·4 cites·5 claims
- 3140US5151792AVideo signal reproducing apparatus with means for producing a crosstalk eliminated luminance output signalSONY CORP·Filed 1991·Granted Sep 29, 1992·4 cites·14 claims
- 3239US4731674AColor video signal processing apparatus for crosstalk eliminationSONY CORP·Filed 1985·Granted Mar 15, 1988·6 cites·15 claims
- 3339US4465331ADevice for preventing radio frequency interference from spark plugKIORITZ CORP·Filed 1984·Granted Aug 14, 1984·6 cites·1 claims
- 3437US3943303AAbnormal sound eliminating system in record disc reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1974·Granted Mar 9, 1976·3 cites·6 claims
- 3536US4561083AMemory circuit write-in systemVICTOR COMPANY OF JAPAN·Filed 1983·Granted Dec 24, 1985·4 cites·4 claims
- 3634US4873946ATwo-cycle internal combustion engineKIORITZ CORP·Filed 1988·Granted Oct 17, 1989·4 cites·1 claims
- 3734US4750033AComb filter, chrominance and luminance signal separating circuit for modifying the level-frequency characteristic of the luminance signalSONY CORP·Filed 1987·Granted Jun 7, 1988·3 cites·7 claims
- 3833US4958745AConnector tank means for cap for mouth of tankKIORITZ CORP·Filed 1987·Granted Sep 25, 1990·5 cites·1 claims
- 3930US4403043AGlass for photoetching maskHOYA CORP·Filed 1982·Granted Sep 6, 1983·5 cites·2 claims
- 4025US4970769AMethod for producing cylinder having scavenging passages for two-cycle internal combustion engineKIORITZ CORP·Filed 1989·Granted Nov 20, 1990·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →