Inventor · disambiguated record
Yoshiho Sonobe
Also filed as: SONOBE YOSHIHO
24 granted patents·388 citations·filing 1986–2013
96Inventor score
Top patents by PatentIndex Score
24 records- 0197US4847349APolyimide and high-temperature adhesive of polyimide from meta substituted phenoxy diaminesMITSUI TOATSU CHEMICALS·Filed 1986·Granted Jul 11, 1989·89 cites·6 claims
- 0292US8785574B2Bridged metallocene compound, olefin polymerization catalyst containing the same, and ethylene polymer obtained with the catalystMITSUI CHEMICALS INC·Filed 2013·Granted Jul 22, 2014·12 cites·12 claims
- 0390US5439994AMethod of polymerizing an olefin using a novel transition metal compoundMITSUI TOATSU CHEMICALS·Filed 1994·Granted Aug 8, 1995·38 cites·6 claims
- 0485US4734482APolyimide from ether diamine having the indane structure and high-temperature adhesive of polyimideMITSUI TOATSU CHEMICALS·Filed 1986·Granted Mar 29, 1988·31 cites·7 claims
- 0582US6897176B2Olefin polymerization catalyst and process for producing olefin polymer with the catalystMITSUI CHEMICALS INC·Filed 2002·Granted May 24, 2005·20 cites·5 claims
- 0681US5990352APhosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxide)MITSUI CHEMICALS INC·Filed 1997·Granted Nov 23, 1999·21 cites·11 claims
- 0780US7601423B2Ethylene-based polymer microparticles, functional group-containing ethylene-based polymer microparticles, and catalyst carriers for manufacture thereofMITSUI CHEMICALS INC·Filed 2005·Granted Oct 13, 2009·11 cites·6 claims
- 0880US5278276APolyimide and high-temperature adhesive of polyimideMITSUI TOATSU CHEMICALS·Filed 1993·Granted Jan 11, 1994·27 cites·9 claims
- 0978US7528091B2Magnesium-containing carrier component and application to olefin polymerizationMITSUI CHEMICALS INC·Filed 2007·Granted May 5, 2009·3 cites·5 claims
- 1077US7858723B2Ethylene-based resin and molded object obtained therefromMITSUI CHEMICALS INC·Filed 2006·Granted Dec 28, 2010·5 cites·4 claims
- 1177US7208559B2Ethylened polymer and molded object obtained therefromMITSUI CHEMICALS INC·Filed 2003·Granted Apr 24, 2007·14 cites·10 claims
- 1275US7253132B2Magnesium-containing carrier components and application thereof to olefin polymerizationMITSUI CHEMICALS INC·Filed 2003·Granted Aug 7, 2007·10 cites·2 claims
- 1374US5359102ATransition metal compound having two transition metal atoms in one molecule and method for polymerizing olefin by using the compoundMITSUI TOATSU CHEMICALS·Filed 1992·Granted Oct 25, 1994·21 cites·5 claims
- 1469US4797466AHigh-temperature adhesive polyimide from 2,6-bis(3-aminophenoxy)pyridineMITSUI TOATSU CHEMICALS·Filed 1987·Granted Jan 10, 1989·16 cites·6 claims
- 1565US5205894APolyimide and high-temperature adhesive of polyimideMITSUI TOATSU CHEMICALS·Filed 1991·Granted Apr 27, 1993·11 cites·9 claims
- 1662US6936684B2Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compoundMITSUI TOATSU CHEMICALS·Filed 2003·Granted Aug 30, 2005·2 cites·5 claims
- 1759US5658999ASyndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the waxMITSUI TOATSU CHEMICALS·Filed 1995·Granted Aug 19, 1997·13 cites·14 claims
- 1859US5219968APropylene copolymerMITSUI TOATSU CHEMICALS·Filed 1991·Granted Jun 15, 1993·13 cites·10 claims
- 1958US4959440APolymide for high-temperature adhesiveMITSUI TOATSU CHEMICALS·Filed 1987·Granted Sep 25, 1990·10 cites·9 claims
- 2053US5087689APolyimide and high-temperature adhesive of polyimide based on meta-phenoxy diaminesMITSUI TOATSU CHEMICALS·Filed 1990·Granted Feb 11, 1992·6 cites·4 claims
- 2150US5677409ASyndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the waxMITSUI TOATSU CHEMICALS·Filed 1995·Granted Oct 14, 1997·8 cites·4 claims
- 2239US4937339AProcess for preparing isocyanurate ring-containing materialsMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jun 26, 1990·4 cites·22 claims
- 2334US6664365B2Process for producing poly(alkylene oxide) in the presence of a phosphazenium salt or compoundFiled 1999·Granted Dec 16, 2003·0 cites·17 claims
- 2434US4865795AProcess for producing thermosetting resinsMITSUI TOATSU CHEMICALS·Filed 1988·Granted Sep 12, 1989·3 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when Yoshiho Sonobe 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 →