Inventor · disambiguated record
Yoshitsugu Hirokawa
Also filed as: HIROKAWA YOSHITSUGU
10 granted patents·2 pending applications·405 citations·filing 1983–2016
91Inventor score
Files withNIPPON ZEON CO7ZEON CORP2HIROKAWA YOSHITSUGU1MASSACHUSETTS INST TECHNOLOGY1THE UNIV OF SHIGA PREFECTURE1
Top patents by PatentIndex Score
12 records- 0196US4732930AReversible, discontinuous volume changes of ionized isopropylacrylamide cellsMASSACHUSETTS INST TECHNOLOGY·Filed 1985·Granted Mar 22, 1988·137 cites·4 claims
- 0294US4677153AMethod for modifying rubbersNIPPON ZEON CO·Filed 1986·Granted Jun 30, 1987·77 cites·12 claims
- 0394US4412041AProcess for modifying rubbers employing a compound containing a carboxyl and an aldehyde groupNIPPON ZEON CO·Filed 1983·Granted Oct 25, 1983·59 cites·15 claims
- 0493US4412031AModified rubber composition employing a compound containing a carboxyl and an aldehyde groupNIPPON ZEON CO·Filed 1983·Granted Oct 25, 1983·50 cites·32 claims
- 0586US4654435AProcess for addition reaction of unsaturated organic compoundsNIPPON ZEON CO·Filed 1983·Granted Mar 31, 1987·22 cites·14 claims
- 0671US5248746AMethod of producing polymersNIPPON ZEON CO·Filed 1991·Granted Sep 28, 1993·28 cites·4 claims
- 0768US10391555B2Silver nanowires, method for producing same, and inkTHE UNIV OF SHIGA PREFECTURE·Filed 2016·Granted Aug 27, 2019·1 cites·29 claims
- 0865US8048478B2Method of manufacturing electrode for electrochemical deviceZEON CORP·Filed 2009·Granted Nov 1, 2011·3 cites·20 claims
- 0948US5399646AAlkylidenenorbornene polymer and process for producing the sameNIPPON ZEON CO·Filed 1993·Granted Mar 21, 1995·7 cites·27 claims
- 1047US2009220847A1Fuel container for fuel cellZEON CORP·Filed 2005·Application pending·0 cites
- 1139US4982465ALevel-variable supporting apparatusNIPPON ZEON CO·Filed 1990·Granted Jan 8, 1991·21 cites·21 claims
- 1238US2006153972A1Method of manufacturing electrode for electrochemical deviceHIROKAWA YOSHITSUGU·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yoshitsugu Hirokawa 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 →