Inventor · disambiguated record
Fumio Sakai
Also filed as: SAKAI FUMIO
16 granted patents·1 pending application·653 citations·filing 1975–2015
94Inventor score
Files withCANON KK7NIPPON KAYAKU KK4MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2MATSUMOTO HIDEKI1PANASONIC CORP1
Top patents by PatentIndex Score
17 records- 0197US4814829AProjection exposure apparatusCANON KK·Filed 1987·Granted Mar 21, 1989·162 cites·43 claims
- 0294US4737824ASurface shape controlling deviceCANON KK·Filed 1985·Granted Apr 12, 1988·91 cites·7 claims
- 0391US4952060AAlignment method and a projection exposure apparatus using the sameCANON KK·Filed 1990·Granted Aug 28, 1990·78 cites·20 claims
- 0485US9387607B2Imprint apparatus, imprint method, and method for producing deviceMATSUMOTO HIDEKI·Filed 2012·Granted Jul 12, 2016·5 cites·12 claims
- 0584US6028220AProducing acrolein and acrylic acid using a supported dual activity molybdenum, iron, and bismuth based catalyst in a fixed bed multitubular reactorNIPPON KAYAKU KK·Filed 1997·Granted Feb 22, 2000·69 cites·14 claims
- 0684US5929275ACatalyst and process for producing unsaturated aldehyde and unsaturated acidNIPPON KAYAKU KK·Filed 1997·Granted Jul 27, 1999·35 cites·4 claims
- 0783US5751404AExposure apparatus and method wherein alignment is carried out by comparing marks which are incident on both reticle stage and wafer stage reference platesCANON KK·Filed 1996·Granted May 12, 1998·54 cites·29 claims
- 0882US5959143ACatalysts and process for the preparation thereofNIPPON KAYAKU KK·Filed 1996·Granted Sep 28, 1999·70 cites·6 claims
- 0982US5925887AProjection exposure apparatus including an optical characteristic detector for detecting a change in optical characteristic of a projection optical system and device manufacturing method using the sameCANON KK·Filed 1997·Granted Jul 20, 1999·50 cites·43 claims
- 1075US4012449AProduction of methacrolein and oxidation catalyst used thereforNIPPON KAYAKU KK·Filed 1975·Granted Mar 15, 1977·26 cites·7 claims
- 1173US9880463B2Imprint method, imprint apparatus, and article manufacturing methodWAKABAYASHI KOHEI·Filed 2012·Granted Jan 30, 2018·3 cites·8 claims
- 1259US10144156B2Imprint apparatus, imprint method, and method for producing deviceCANON KK·Filed 2015·Granted Dec 4, 2018·0 cites·9 claims
- 1351US2009116822A1Image displaying systemPANASONIC CORP·Filed 2008·Application pending·0 cites
- 1445US8586785B2Process for producing catalyst for methacrylic acid production and process for producing methacrylic acidSUDO ATSUSHI·Filed 2011·Granted Nov 19, 2013·0 cites·7 claims
- 1541US5734462AExposure apparatus and exposure methodCANON KK·Filed 1995·Granted Mar 31, 1998·7 cites·10 claims
- 1637US5917682AMagnetic head and manufacturing method thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jun 29, 1999·3 cites·28 claims
- 1719US5774310AMagnetic head and magnetic recording apparatus which prevent generation of a false magnetic head tending to disturb a previously formed magnetic recording trackMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 30, 1998·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Fumio Sakai 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 →