Inventor · disambiguated record
Fumio Yamamoto
Also filed as: YAMAMOTO FUMIO
27 granted patents·3 pending applications·567 citations·filing 1981–2017
97Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE10NIPPON STEEL CORP4TOSHIBA KK4DAINIPPON INK & CHEMICALS3NHK SPRING CO LTD2
Top patents by PatentIndex Score
30 records- 0186US5233018APerfluorinated polyimide, perfluorinated poly(amic acid), starting compounds therefor, and methods for preparing themNIPPON TELEGRAPH & TELEPHONE·Filed 1991·Granted Aug 3, 1993·22 cites·28 claims
- 0284US6117555AWater repellent coating composition, and coated films and coated articles using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Sep 12, 2000·55 cites·9 claims
- 0384US5108201APolyimide optical waveguideNIPPON TELEGRAPH & TELEPHONE·Filed 1991·Granted Apr 28, 1992·70 cites·4 claims
- 0481US10995811B2Coil springNHK SPRING CO LTD·Filed 2017·Granted May 4, 2021·3 cites·5 claims
- 0581US5858264AComposite polymer electrolyte membraneJAPAN GORE TEX INC·Filed 1997·Granted Jan 12, 1999·73 cites·15 claims
- 0681US5598501APolyimide optical waveguide and method of manufacturing the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Jan 28, 1997·53 cites·14 claims
- 0781US4378390AProcess of coating a metal strip with high-viscosity coating materialNIPPON STEEL CORP·Filed 1981·Granted Mar 29, 1983·35 cites·5 claims
- 0878US6048986AMethod for preparing aromatic compoundsNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Apr 11, 2000·14 cites·3 claims
- 0976US4891274AHot-dip aluminum coated steel sheet having excellent corrosion resistance and heat resistanceNIPPON STEEL CORP·Filed 1986·Granted Jan 2, 1990·32 cites·11 claims
- 1075US5572619APolimide optical waveguideNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Nov 5, 1996·39 cites·6 claims
- 1171US4801186ACoated optical fiber, fabrication process thereof and fabrication apparatus thereofNIPPON TELEGRAPH & TELEPHONE·Filed 1985·Granted Jan 31, 1989·32 cites·9 claims
- 1271US4524410AIncandescent lamp with film of alternately stacked layersTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Jun 18, 1985·21 cites·4 claims
- 1370US5849934AMethod for preparing aromatic compoundsNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Dec 15, 1998·9 cites·4 claims
- 1470US5449741APolyimide optical materialNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Sep 12, 1995·16 cites·23 claims
- 1567US4731301ATinned steel sheet having a high degree of corrosion resistance and a method of producing the sameNIPPON STEEL CORP·Filed 1985·Granted Mar 15, 1988·27 cites·14 claims
- 1660US6559533B1High-frequency package and the method for manufacturing the sameTOSHIBA KK·Filed 2000·Granted May 6, 2003·9 cites·19 claims
- 1759US7838990B2High-frequency hermetically-sealed circuit packageTOSHIBA KK·Filed 2009·Granted Nov 23, 2010·1 cites·6 claims
- 1857US8757383B2Medical trayNUMATA SHIGEKI·Filed 2012·Granted Jun 24, 2014·2 cites·18 claims
- 1957US5750731APerfluorinated aromatic compoundsNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted May 12, 1998·4 cites·4 claims
- 2057US4684705AContact lensKURARAY CO·Filed 1986·Granted Aug 4, 1987·14 cites·7 claims
- 2156US4910073ABowling lane and method of repairing sameDAINIPPON INK & CHEMICALS·Filed 1988·Granted Mar 20, 1990·15 cites·23 claims
- 2247US2007230145A1Semiconductor packageTOSHIBA KK·Filed 2006·Application pending·0 cites
- 2345US2016160306A1Coil spring, and method for manufacturing sameNHK SPRING CO LTD·Filed 2014·Application pending·0 cites
- 2444US7792503B2High frequency moduleTOSHIBA KK·Filed 2006·Granted Sep 7, 2010·0 cites·12 claims
- 2542US4672095AProcess for producing vinyl polymerDAINIPPON INK & CHEMICALS·Filed 1982·Granted Jun 9, 1987·5 cites·11 claims
- 2640USD274990SMicrometerMITUTOYO MFG CO LTD·Filed 1982·Granted Aug 7, 1984·2 cites·1 claims
- 2737US7964653B2Polyol composition for two-component curable abrasive foam, composition for two-component curable abrasive foam, abrasive foam, and method for producing abrasive foamDAINIPPON INK & CHEMICALS·Filed 2003·Granted Jun 21, 2011·0 cites·9 claims
- 2837US5576832AOptical measuring apparatus and measuring method of the sameMITUTOYO CORP·Filed 1995·Granted Nov 19, 1996·7 cites·15 claims
- 2936US4842958AChromate surface treated steel sheetNIPPON STEEL CORP·Filed 1987·Granted Jun 27, 1989·7 cites·8 claims
- 3035US2006088710A1Oil tempered steel wire excellent in coiling workability and method for production thereofFUJIWARA TADAYOSHI·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Fumio Yamamoto 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 →