Inventor · disambiguated record
Hideaki Oikawa
Also filed as: OIKAWA HIDEAKI · YAMAGUCHI AKIHIRO
46 granted patents·737 citations·filing 1986–2023
98Inventor score
Files withMITSUI TOATSU CHEMICALS31MITSUI CHEMICALS INC10HITEC CO LTD2AMDAHL CORP1PENTEL KABUSIKI KAISHA1
Top patents by PatentIndex Score
46 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
- 0287US6531568B1Polyimide containing crosslinkable group and process for producing the sameMITSUI CHEMICALS INC·Filed 1999·Granted Mar 11, 2003·45 cites·35 claims
- 0386US6080833ALow-birefringent organic optical component and a spirobiindan polymerMITSUI CHEMICALS INC·Filed 1997·Granted Jun 27, 2000·51 cites·24 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
- 0583US4931531APolyimide and high-temperature adhesive thereofMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jun 5, 1990·28 cites·10 claims
- 0681US6417361B1Fluorination agent and preparation and use of sameMITSUI CHEMICALS INC·Filed 2000·Granted Jul 9, 2002·9 cites·24 claims
- 0780US6710160B2Polyamic acid, polyimide, process for producing these, and film of the polyimideMITSUI CHEMICALS INC·Filed 2001·Granted Mar 23, 2004·17 cites·20 claims
- 0880US5354839APolyimide and preparation process of sameMITSUI TOATSU CHEMICALS·Filed 1993·Granted Oct 11, 1994·23 cites·28 claims
- 0980US5278276APolyimide and high-temperature adhesive of polyimideMITSUI TOATSU CHEMICALS·Filed 1993·Granted Jan 11, 1994·27 cites·9 claims
- 1079US5043419AProcess for preparing a polyimide and a composite material containing the sameMITSUI TOATSU CHEMICALS·Filed 1988·Granted Aug 27, 1991·26 cites·37 claims
- 1178US5708128ALinear polyamic acid, linear polyimide and thermoset polyimideMITSUI TOATSU CHEMICALS·Filed 1996·Granted Jan 13, 1998·31 cites·14 claims
- 1278US4795798AHigh-temperature adhesive polyimide from 2,2-bis[4-(3-amino phenoxy)phenyl]1,1,1,3,3,3-hexafluoro propaneMITSUI TOATSU CHEMICALS·Filed 1987·Granted Jan 3, 1989·22 cites·5 claims
- 1377US4883718AFlexible copper-clad circuit substrateMITSUI TOATSU CHEMICALS·Filed 1986·Granted Nov 28, 1989·33 cites·3 claims
- 1475US5288843APolyimides, process for the preparation thereof and polyimide resin compositionsMITSUI TOATSU CHEMICALS·Filed 1990·Granted Feb 22, 1994·15 cites·42 claims
- 1572US5231160AAromatic diamine compound, preparation process of same and polyimide prepared from sameMITSUI TOATSU CHEMICALS·Filed 1991·Granted Jul 27, 1993·10 cites·24 claims
- 1671US4908409APolyimideMITSUI TOATSU CHEMICALS·Filed 1987·Granted Mar 13, 1990·17 cites·1 claims
- 1770US6458912B1Crystalline polyimide for melt molding with satisfactory thermal stabilityMITSUI CHEMICALS INC·Filed 1999·Granted Oct 1, 2002·24 cites·16 claims
- 1870US5210174APreparation process of polyimideMITSUI TOATSU CHEMICALS·Filed 1990·Granted May 11, 1993·18 cites·13 claims
- 1969US5480965AReadily soluble, amorphous polyimide, and preparation process of sameMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jan 2, 1996·14 cites·32 claims
- 2069US5013817AProcess for preparing a polyimide and a composite material containing the sameMITSUI TOATSU CHEMICALS·Filed 1988·Granted May 7, 1991·17 cites·37 claims
- 2169US4797466AHigh-temperature adhesive polyimide from 2,6-bis(3-aminophenoxy)pyridineMITSUI TOATSU CHEMICALS·Filed 1987·Granted Jan 10, 1989·16 cites·6 claims
- 2265US5205894APolyimide and high-temperature adhesive of polyimideMITSUI TOATSU CHEMICALS·Filed 1991·Granted Apr 27, 1993·11 cites·9 claims
- 2364US5506311APolyimides, process for the preparation thereof and polyimide resin compositionsMITSUI TOATSU CHEMICALS·Filed 1994·Granted Apr 9, 1996·8 cites·8 claims
- 2463US5041520AProcess for preparing polyimide having excellent high temperature stabilityMITSUI TOATSU CHEMICALS·Filed 1989·Granted Aug 20, 1991·13 cites·9 claims
- 2561US12011006B2Stick turning device for stick on which chain of sausages is suspendedHITEC CO LTD·Filed 2022·Granted Jun 18, 2024·0 cites·8 claims
- 2660US6344579B1Process for producing fluorinated silicon compoundMITSUI CHEMICALS INC·Filed 2000·Granted Feb 5, 2002·3 cites·5 claims
- 2759US5086125APolyimide resin compositionMITSUI TOATSU CHEMICALS·Filed 1990·Granted Feb 4, 1992·15 cites·5 claims
- 2859US4937316AProcess for preparing polyimidesAMDAHL CORP·Filed 1989·Granted Jun 26, 1990·11 cites·4 claims
- 2958US4987197APolyimide/polyamideimide resin compositionMITSUI TOATSU CHEMICALS·Filed 1989·Granted Jan 22, 1991·13 cites·12 claims
- 3058US4959440APolymide for high-temperature adhesiveMITSUI TOATSU CHEMICALS·Filed 1987·Granted Sep 25, 1990·10 cites·9 claims
- 3157US6242654B1Preparation process of fluorine substituted aromatic compoundMITSUI CHEMICALS INC·Filed 1999·Granted Jun 5, 2001·6 cites·2 claims
- 3255US5321096APolyimide compositionMITSUI TOATSU CHEMICALS·Filed 1993·Granted Jun 14, 1994·13 cites·14 claims
- 3353US6103806APolyimide resin compositionMITSUI CHEMICALS INC·Filed 1998·Granted Aug 15, 2000·14 cites·13 claims
- 3453US5087689APolyimide and high-temperature adhesive of polyimide based on meta-phenoxy diaminesMITSUI TOATSU CHEMICALS·Filed 1990·Granted Feb 11, 1992·6 cites·4 claims
- 3553US4803258AThermoplastic aromatic polyether-pyridine and process for preparing sameMITSUI TOATSU CHEMICALS·Filed 1987·Granted Feb 7, 1989·3 cites·5 claims
- 3652US5380805APolyimides, process for the preparation thereof and polyimide resin compositionsMITSUI TOATSU CHEMICALS·Filed 1993·Granted Jan 10, 1995·7 cites·6 claims
- 3751US12256746B2Sausage sticking systemHITEC CO LTD·Filed 2023·Granted Mar 25, 2025·0 cites·8 claims
- 3850US5286840AThermally stable polyimide and preparation process of polyimideMITSUI TOATSU CHEMICALS·Filed 1991·Granted Feb 15, 1994·7 cites·2 claims
- 3945US5459233APolyimides, process for the preparation thereof and polyimide resin compositionsMITSUI TOATSU CHEMICALS·Filed 1993·Granted Oct 17, 1995·3 cites·11 claims
- 4043US5990261AOrganic optical componentMITSUI CHEMICALS INC·Filed 1997·Granted Nov 23, 1999·6 cites·1 claims
- 4142US5494996APolyimide resin compositionMITSUI TOATSU CHEMICALS·Filed 1994·Granted Feb 27, 1996·4 cites·18 claims
- 4242US5157085APolyimide resin compositionMITSUI TOATSU CHEMICALS·Filed 1989·Granted Oct 20, 1992·8 cites·24 claims
- 4336US6103860AFluorine-containing polyamideMITSUI CHEMICALS INC·Filed 1999·Granted Aug 15, 2000·3 cites·2 claims
- 4436US4838721AAutomatic lead advance for mechanical pencilsPENTEL KABUSIKI KAISHA·Filed 1988·Granted Jun 13, 1989·7 cites·3 claims
- 4533US4884911AMechanical pencil with latching chuck actuatorPENTEL KK·Filed 1988·Granted Dec 5, 1989·3 cites·5 claims
- 4630US5322962AAromatic diamine intermediates useful in the preparation of polyimideMITSUI TOATSU CHEMICALS·Filed 1993·Granted Jun 21, 1994·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →