Inventor · disambiguated record
Koichi Nagaoka
Also filed as: NAGAOKA KOICHI
13 granted patents·632 citations·filing 1972–1999
94Inventor score
Top patents by PatentIndex Score
13 records- 0195US4874666APolyolefinic biconstituent fiber and nonwove fabric produced therefromUNITIKA LTD·Filed 1988·Granted Oct 17, 1989·106 cites·7 claims
- 0294US5068141APolyolefin-type nonwoven fabric and method of producing the sameUNITIKA LTD·Filed 1989·Granted Nov 26, 1991·111 cites·5 claims
- 0394US4981749APolyolefin-type nonwoven fabric and method of producing the sameUNITIKA LTD·Filed 1989·Granted Jan 1, 1991·63 cites·4 claims
- 0482US6787493B1Biodegradable formable filament nonwoven fabric and method of producing the sameUNITIKA LTD·Filed 1999·Granted Sep 7, 2004·78 cites·12 claims
- 0579US5718972ANonwoven fabric made of fine denier filaments and a production method thereofUNITIKA LTD·Filed 1996·Granted Feb 17, 1998·43 cites·4 claims
- 0679US5688582ABiodegradable filament nonwoven fabrics and method of manufacturing the sameUNITIKA LTD·Filed 1996·Granted Nov 18, 1997·81 cites·47 claims
- 0776US5814569AUniaxially elastic nonwoven fabricUNITIKA LTD·Filed 1997·Granted Sep 29, 1998·64 cites·7 claims
- 0869US6607996B1Biodegradable filament nonwoven fabric and method of producing the sameUNITIKA LTD·Filed 1999·Granted Aug 19, 2003·50 cites·22 claims
- 0952US5795651AFilament having plexifilamentary structure, nonwoven fabric comprising said filament and their productionUNITIKA LTD·Filed 1997·Granted Aug 18, 1998·17 cites·5 claims
- 1049US5786284AFilament having plexifilamentary structure, nonwoven fabric comprising said filament and their productionUNITIKA LTD·Filed 1997·Granted Jul 28, 1998·15 cites·6 claims
- 1137US3945952ANovel resinous material by reaction of epoxy compounds and polyglutamic acid saltsKYOWA HAKKO KOGYO KK·Filed 1972·Granted Mar 23, 1976·3 cites·20 claims
- 1227US4039710ANovel resinous materialKYOWA HAKKO KOGYO KK·Filed 1975·Granted Aug 2, 1977·1 cites·27 claims
- 1319US4595470AProcess for the preparation of benzene polycarboxylic acidsSUGITA NOBUYUKI·Filed 1984·Granted Jun 17, 1986·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Koichi Nagaoka 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 →