Inventor · disambiguated record
Wataru Yamashita
Also filed as: YAMASHITA WATARU
26 granted patents·1 pending application·237 citations·filing 1991–2021
96Inventor score
Files withMITSUI TOATSU CHEMICALS13MITSUI CHEMICALS INC9FUKUKAWA KENICHI3MITSUBISHI GENERATOR CO LTD1NISHIURA KATSUNORI1
Top patents by PatentIndex Score
27 records- 0186US6080833ALow-birefringent organic optical component and a spirobiindan polymerMITSUI CHEMICALS INC·Filed 1997·Granted Jun 27, 2000·51 cites·24 claims
- 0283US6734276B2Polyimide and circuit substrate comprising the sameMITSUI CHEMICALS INC·Filed 2001·Granted May 11, 2004·19 cites·12 claims
- 0381US5470943APolyimideMITSUI TOATSU CHEMICALS·Filed 1994·Granted Nov 28, 1995·27 cites·18 claims
- 0480US6710160B2Polyamic acid, polyimide, process for producing these, and film of the polyimideMITSUI CHEMICALS INC·Filed 2001·Granted Mar 23, 2004·17 cites·20 claims
- 0580US5354839APolyimide and preparation process of sameMITSUI TOATSU CHEMICALS·Filed 1993·Granted Oct 11, 1994·23 cites·28 claims
- 0677US9339992B2Low-thermal-expansion block polyimide, precursor thereof, and use thereofFUKUKAWA KENICHI·Filed 2010·Granted May 17, 2016·3 cites·34 claims
- 0771US12424894B2Phase ring support structure and rotating electric machineMITSUBISHI GENERATOR CO LTD·Filed 2021·Granted Sep 23, 2025·0 cites·8 claims
- 0869US5508377APolyimideMITSUI TOATSU CHEMICALS·Filed 1994·Granted Apr 16, 1996·13 cites·16 claims
- 0969US5480965AReadily soluble, amorphous polyimide, and preparation process of sameMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jan 2, 1996·14 cites·32 claims
- 1068US7666573B2Positive photosensitive resin composition and method for forming patternMITSUI CHEMICALS INC·Filed 2006·Granted Feb 23, 2010·1 cites·6 claims
- 1168US5719256AProcess for preparing polycondensation polymer compoundMITSUI TOATSU CHEMICALS·Filed 1996·Granted Feb 17, 1998·20 cites·74 claims
- 1258US5260388APolyimide and process for the preparation thereofMITSUI TOATSU CHEMICALS·Filed 1992·Granted Nov 9, 1993·9 cites·21 claims
- 1353US9540487B2Polyimide composite material and film thereofFUKUKAWA KENICHI·Filed 2008·Granted Jan 10, 2017·0 cites·33 claims
- 1445US5283313AReadily processable polyimide, preparation process of polyimide, and resin composition of polyimideMITSUI TOATSU CHEMICALS·Filed 1991·Granted Feb 1, 1994·5 cites·12 claims
- 1543US5990261AOrganic optical componentMITSUI CHEMICALS INC·Filed 1997·Granted Nov 23, 1999·6 cites·1 claims
- 1643US5892061AProcess for preparing isoimidesMITSUI CHEMICALS INC·Filed 1997·Granted Apr 6, 1999·2 cites·21 claims
- 1742US5494996APolyimide resin compositionMITSUI TOATSU CHEMICALS·Filed 1994·Granted Feb 27, 1996·4 cites·18 claims
- 1841US2012301718A1Metal-resin compositeNISHIURA KATSUNORI·Filed 2011·Application pending·0 cites
- 1940US5506291APolyimide resin composition having excellent fatigue resistance and injection molded article of sameMITSUI TOATSU CHEMICALS·Filed 1994·Granted Apr 9, 1996·3 cites·16 claims
- 2038US5868968APolyimide resin compositions for optical filtersMITSUI CHEMICALS INC·Filed 1997·Granted Feb 9, 1999·5 cites·5 claims
- 2137US5916488APolyimide resin compositions for optical filtersMITSUI CHEMICALS INC·Filed 1998·Granted Jun 29, 1999·5 cites·4 claims
- 2237US5484880APolyimideMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jan 16, 1996·4 cites·16 claims
- 2336US9752030B2Polyamic acid and polyimide, processes for the production of same, compositions containing same, and uses thereofFUKUKAWA KENICHI·Filed 2010·Granted Sep 5, 2017·0 cites·17 claims
- 2436US6103860AFluorine-containing polyamideMITSUI CHEMICALS INC·Filed 1999·Granted Aug 15, 2000·3 cites·2 claims
- 2532US5763537APolyimide based resin compositionMITSUI TOATSU CHEMICALS·Filed 1995·Granted Jun 9, 1998·2 cites·6 claims
- 2631US5371168AAmorphous polyimide powder, preparation process of the powder, and heat-resistant adhesive and bonding method by use of the powderMITSUI TOATSU CHEMICALS·Filed 1992·Granted Dec 6, 1994·1 cites·9 claims
- 2731US5354890AAromatic diamine intermediates useful in the preparation of polyimidesMITSUI TOATSU CHEMICALS·Filed 1993·Granted Oct 11, 1994·0 cites·3 claims
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