Inventor · disambiguated record
Yoshihiko Masuda
Also filed as: MASUDA YOSHIHIKO
26 granted patents·3 pending applications·2,280 citations·filing 1980–2009
97Inventor score
Files withNIPPON CATALYTIC CHEM IND16TOYOTA MOTOR CO LTD7TAKEDA YASUMARO2KIORITZ CORP1MASUDA YOSHIHIKO1
Top patents by PatentIndex Score
29 records- 0199US6809158B2Water-absorbing agent and process for producing the sameNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Oct 26, 2004·187 cites·35 claims
- 0298US4286082AAbsorbent resin composition and process for producing sameNIPPON CATALYTIC CHEM IND·Filed 1980·Granted Aug 25, 1981·694 cites·18 claims
- 0397US4734478AWater absorbing agentNIPPON CATALYTIC CHEM IND·Filed 1985·Granted Mar 29, 1988·535 cites·39 claims
- 0495US5574121AProcess for preparing an absorbent resin crosslinked with a mixture of trimethylolpropane diacrylate and triacrylateNIPPON CATALYTIC CHEM IND·Filed 1994·Granted Nov 12, 1996·142 cites·29 claims
- 0594US5422405AMethod for production of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Jun 6, 1995·119 cites·15 claims
- 0689US5610208AWater-absorbent agent, method for production thereof, and water-absorbent compositionNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Mar 11, 1997·150 cites·13 claims
- 0789US5478879AMethod for production of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Dec 26, 1995·82 cites·38 claims
- 0884US6992144B2Water-absorbent agent, method for production thereof, and water-absorbent compositionNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Jan 31, 2006·15 cites·11 claims
- 0984US6415753B1Variable valve apparatus of internal combustion engine and method of varying the open-close characteristic of an engine valveTOYOTA MOTOR CO LTD·Filed 2000·Granted Jul 9, 2002·24 cites·9 claims
- 1081US5713262AEngine piston having a recess defined in the lower surface of the headTOYOTA MOTOR CO LTD·Filed 1996·Granted Feb 3, 1998·28 cites·16 claims
- 1180US7250459B2Absorbent resin compositionNIPPON CATALYTIC CHEM IND·Filed 2005·Granted Jul 31, 2007·4 cites·11 claims
- 1280US5866678AAbsorbent and method for production of absorbent resinNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Feb 2, 1999·37 cites·21 claims
- 1379US4497335AControl valve of exhaust gas recirculation apparatusTOYOTA MOTOR CO LTD·Filed 1982·Granted Feb 5, 1985·32 cites·7 claims
- 1475US6561150B1Engine valve characteristic controllerTOYOTA MOTOR CO LTD·Filed 2000·Granted May 13, 2003·14 cites·20 claims
- 1572US8598405B2Waste solution solidifying agent, process for preparing the same and use of the sameMASUDA YOSHIHIKO·Filed 2005·Granted Dec 3, 2013·5 cites·22 claims
- 1672US5760080AAbsorbing agent, process of manufacturing same, and absorbent product containing sameNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Jun 2, 1998·102 cites·22 claims
- 1769US6280120B1Adhesion preventing method and support body extracting methodNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Aug 28, 2001·23 cites·23 claims
- 1863US4349003AExhaust gas recirculation control valveTOYOTA MOTOR CO LTD·Filed 1980·Granted Sep 14, 1982·11 cites·3 claims
- 1956US6476155B1Method of producing a hydrophilic resinNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Nov 5, 2002·1 cites·8 claims
- 2053US8960681B2Cylinder head gasketTAKEDA YASUMARO·Filed 2009·Granted Feb 24, 2015·1 cites·22 claims
- 2151US4874437AMethod of adjusting hardness of metallic materialKIORITZ CORP·Filed 1989·Granted Oct 17, 1989·8 cites·3 claims
- 2247US6517601B1Three-dimensional cam and production method thereofTOYOTA MOTOR CO LTD·Filed 2000·Granted Feb 11, 2003·3 cites·16 claims
- 2344US2011127729A1Cylinder head gasketTAKEDA YASUMARO·Filed 2009·Application pending·0 cites
- 2443US6180724B1Process for manufacturing an absorbing agent and absorbent materialNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Jan 30, 2001·23 cites·9 claims
- 2542USRE38444EAbsorbing agent, process of manufacturing same, and absorbent product containing sameNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Feb 24, 2004·16 cites·30 claims
- 2642US2002084438A1Hygroscopic composition, hygroscopic agent, and production process thereforFiled 2001·Application pending·0 cites
- 2738US6054541AProcess of manufacturing precursor of an absorbing agentNIPPON CATALYTIC CHEM IND·Filed 1998·Granted Apr 25, 2000·17 cites·8 claims
- 2835US6257590B1Sealing structure and method of mounting piston ring structural body for use in the sealing stuctureTOYOTA MOTOR CO LTD·Filed 1999·Granted Jul 10, 2001·7 cites·15 claims
- 2931US2002013394A1Water-absorbent agent, method for production thereof, and water- absorbent compositionFiled 1996·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yoshihiko Masuda 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 →