Inventor · disambiguated record
Shigeo Imai
Also filed as: IMAI SHIGEO
37 granted patents·11 pending applications·1,496 citations·filing 1983–2025
98Inventor score
Top patents by PatentIndex Score
48 records- 0198US4868958ABacking drumUNI CHARM CORP·Filed 1988·Granted Sep 26, 1989·568 cites·5 claims
- 0297US4840829ANonwoven fabric patterned with aperturesUNI CHARM CORP·Filed 1987·Granted Jun 20, 1989·195 cites·5 claims
- 0393US5414914AProcess for producing apertured nonwoven fabricUNI CHARM CORP·Filed 1992·Granted May 16, 1995·140 cites·6 claims
- 0489US4718152AMethod for producing patterned non-woven fabricUNI CHARM CORP·Filed 1985·Granted Jan 12, 1988·89 cites·6 claims
- 0586US7889106B2Current mirror circuit and digital-to-analog conversion circuitTOSHIBA KK·Filed 2010·Granted Feb 15, 2011·9 cites·5 claims
- 0684US7321326B2Current source cell and D/A converter using the sameTOSHIBA KK·Filed 2005·Granted Jan 22, 2008·15 cites·11 claims
- 0782US7557743B2D/A converterTOSHIBA KK·Filed 2007·Granted Jul 7, 2009·13 cites·18 claims
- 0881US2025300607A1Semiconductor circuitTOSHIBA KK·Filed 2025·Application pending·0 cites
- 0980US5301401AProcess and apparatus for producing nonwoven fabricUNI CHARM CORP·Filed 1991·Granted Apr 12, 1994·58 cites·1 claims
- 1079US5246432ADisposable absorbent articlesUNI CHARM CORP·Filed 1991·Granted Sep 21, 1993·173 cites·4 claims
- 1178US7488442B2Glass layered ceramic productINAX CORP·Filed 2001·Granted Feb 10, 2009·25 cites·3 claims
- 1278US4883709AComposite non-woven fabric and process for preparing such non-woven fabricUNI CHARM CORP·Filed 1988·Granted Nov 28, 1989·37 cites·18 claims
- 1371US8125359B2Analog-to-digital converterIMAI SHIGEO·Filed 2010·Granted Feb 28, 2012·5 cites·12 claims
- 1471US4665597AMethod for production of non-woven fabricUNI CHARM CORP·Filed 1985·Granted May 19, 1987·40 cites·5 claims
- 1568US10123709B2Pulse wave measurement device, pulse wave measurement system and signal processing methodTOSHIBA KK·Filed 2016·Granted Nov 13, 2018·1 cites·6 claims
- 1667US9817035B2Impedance measuring circuitTOSHIBA KK·Filed 2016·Granted Nov 14, 2017·1 cites·12 claims
- 1766US12348196B2Semiconductor circuitTOSHIBA KK·Filed 2022·Granted Jul 1, 2025·0 cites·16 claims
- 1866US6589659B1Sheet coated with silicone compounds highly effective in preventing adhesion of stains and process for preparing the sameUNI CHARM CORP·Filed 2000·Granted Jul 8, 2003·6 cites·39 claims
- 1965US7932846B2A/D converter and random-noise reducing method for A/D convertersTOSHIBA KK·Filed 2009·Granted Apr 26, 2011·5 cites·16 claims
- 2064US11802373B2Method for evaluating degree of cleanliness of recycled material, method for manufacturing recycled material, and method for manufacturing recycled pulp fiberUNICHARM CORP·Filed 2018·Granted Oct 31, 2023·0 cites·6 claims
- 2164US4591513AFibre-implanted nonwoven fabric and method for production thereofUNI CHARM CORP·Filed 1985·Granted May 27, 1986·27 cites·6 claims
- 2260US7034199B2Absorbent article with back sheet, and method for manufacturing the back sheetUNI CHARM CORP·Filed 2002·Granted Apr 25, 2006·13 cites·2 claims
- 2359US4532173AFibre-implanted nonwoven fabricUNI CHARM CORP·Filed 1983·Granted Jul 30, 1985·21 cites·7 claims
- 2458US6531204B2Absorbent article with back sheet, and method for manufacturing the back sheetUNI CHARM CORP·Filed 2000·Granted Mar 11, 2003·11 cites·7 claims
- 2558US6489533B2Water-decomposable absorbent article and method for producing itUNI CHARM CORP·Filed 2001·Granted Dec 3, 2002·11 cites·5 claims
- 2657US7518452B2Voltage-controlled current source and variable-gain amplifierTOSHIBA KK·Filed 2007·Granted Apr 14, 2009·3 cites·20 claims
- 2757US6616787B2Water-decomposable absorbent article and method for producing itUNI CHARM CORP·Filed 2002·Granted Sep 9, 2003·10 cites·1 claims
- 2856US2019038158A1Pulse wave measurement device, pulse wave measurement system and signal processing methodTOSHIBA KK·Filed 2018·Application pending·0 cites
- 2955US12011385B2Collecting implementINTRON SPACE INC·Filed 2022·Granted Jun 18, 2024·0 cites·8 claims
- 3055US6485478B2Disposable undergarmentUNI CHARM CORP·Filed 2001·Granted Nov 26, 2002·8 cites·5 claims
- 3151US9181689B2Toilet apparatusIMAI SHIGEO·Filed 2011·Granted Nov 10, 2015·1 cites·21 claims
- 3250US7800418B2Current mirror circuit and digital-to-analog conversion circuitTOSHIBA KK·Filed 2009·Granted Sep 21, 2010·1 cites·15 claims
- 3349US11916543B2Analog switch circuitTOSHIBA KK·Filed 2022·Granted Feb 27, 2024·0 cites·4 claims
- 3449US6589632B1Liquid-impervious backsheet for body fluids disposal articleUNI CHARM CORP·Filed 2000·Granted Jul 8, 2003·4 cites·12 claims
- 3548US2003091797A1Liquid-impervious backsheet for body fluids disposal articleUNI CHARM CORP·Filed 2002·Application pending·0 cites
- 3647US2025345201A1Biological Fluid Receptacle Container and Container Body, Closure Member, and Detachment Prevention Member Used ThereforINTRON SPACE INC·Filed 2023·Application pending·0 cites
- 3745USD1084311SUrine container bodyINTRON SPACE INC·Filed 2023·Granted Jul 15, 2025·1 cites·1 claims
- 3845US2018353018A1Toilet, toilet seat, and toilet deviceLIXIL CORP·Filed 2016·Application pending·0 cites
- 3942US6709751B1Ceramic product to be used around water and method of antifouling treatment thereforINAX CORPROATION·Filed 2000·Granted Mar 23, 2004·4 cites·22 claims
- 4040US2017086687A1Biosignal measuring device and biosignal measuring systemTOSHIBA KK·Filed 2016·Application pending·0 cites
- 4139US9350306B2Amplification circuit, amplification device, AFE circuit, and signal processing systemTOSHIBA KK·Filed 2014·Granted May 24, 2016·0 cites·20 claims
- 4238US2014253350A1Digital/analog converter circuitTOSHIBA KK·Filed 2014·Application pending·0 cites
- 4335USD795403SToilet bowlLIXIL CORP·Filed 2016·Granted Aug 22, 2017·1 cites·1 claims
- 4433US2012242524A1Current source cell and digital-to-analog converterIMAI SHIGEO·Filed 2011·Application pending·0 cites
- 4531US2012056768A1Digital/analog converterIMAI SHIGEO·Filed 2011·Application pending·0 cites
- 4631US2012176263A1Current switch circuit and da converterIMAI SHIGEO·Filed 2011·Application pending·0 cites
- 4729US9484870B2Semiconductor integrated circuit deviceTOSHIBA KK·Filed 2015·Granted Nov 1, 2016·0 cites·16 claims
- 4826US2016079924A1Bias circuit, operational amplifier, and delta sigma type ad converterTOSHIBA KK·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →