Inventor · disambiguated record
Yoshio Hayakawa
Also filed as: HAYAKAWA YOSHIO
13 granted patents·57 citations·filing 1983–2020
89Inventor score
Top patents by PatentIndex Score
13 records- 0170US4755809AMethod for controlling windows displayed in a card image data processing systemFUJITSU LTD·Filed 1983·Granted Jul 5, 1988·26 cites·6 claims
- 0265US11939443B2Polyphenylene ether resin composition, prepreg, metal-clad laminateNIPPON SODA CO·Filed 2020·Granted Mar 26, 2024·0 cites·10 claims
- 0361US12428533B2Resin composition for metal-clad laminates, prepreg, and metal-clad laminateNIPPON SODA CO·Filed 2020·Granted Sep 30, 2025·0 cites·2 claims
- 0460US5347002ANitrogen-containing perfluoroalkanoyl peroxide and method for production thereofAGENCY IND SCIENCE TECHN·Filed 1993·Granted Sep 13, 1994·4 cites·3 claims
- 0556US9487605B2Method for producing hydrogenated unsaturated polyhydroxyhydrocarbon polymerNIPPON SODA CO·Filed 2013·Granted Nov 8, 2016·0 cites·4 claims
- 0650US5256825ANitrogen-containing perfluoralkanoyl peroxide and method for production thereofAGENCY IND SCIENCE TECHN·Filed 1992·Granted Oct 26, 1993·3 cites·3 claims
- 0740US5486275ANitrogen-containing perfluoroalkyl bromide and method for production thereofAGENCY IND SCIENCE TECHN·Filed 1994·Granted Jan 23, 1996·2 cites·12 claims
- 0838US5208339ANitrogen-containing perfluoroalkanoyl peroxide and method for production thereofAGENCY IND SCIENCE TECHN·Filed 1992·Granted May 4, 1993·2 cites·3 claims
- 0937US4835735ACard image data processing systemFUJITSU LTD·Filed 1987·Granted May 30, 1989·10 cites·19 claims
- 1037US4663731AWord processing system for inserting characters into a series of charactersFUJITSU LTD·Filed 1984·Granted May 5, 1987·9 cites·6 claims
- 1136US5476934ANitrogen-containing perfluoroalkanoyl peroxide and method for production thereofAGENCY IND SCIENCE TECHN·Filed 1994·Granted Dec 19, 1995·0 cites·5 claims
- 1235US5380844ANitrogen-containing perfluoroalkanoyl peroxide and method for production thereofAGENCY IND SCIENCE TECHN·Filed 1994·Granted Jan 10, 1995·1 cites·3 claims
- 1329US5609787AMethod for extinguishing fireAGENCY IND SCIENCE TECHN·Filed 1994·Granted Mar 11, 1997·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Yoshio Hayakawa 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 →