Inventor · disambiguated record
Shigeyoshi Hara
Also filed as: HARA SHIGEYOSHI · TAKETANI YUTAKA
34 granted patents·971 citations·filing 1972–1991
98Inventor score
Top patents by PatentIndex Score
34 records- 0197US4353802ASemipermeable composite membraneTEIJIN LTD·Filed 1979·Granted Oct 12, 1982·121 cites·31 claims
- 0297US4302336ASemipermeable composite membraneTEIJIN LTD·Filed 1979·Granted Nov 24, 1981·149 cites·38 claims
- 0395US4388189AProcess for preparation of improved semipermeable composite membranesKAWAGUCHI TAKEYUKI·Filed 1980·Granted Jun 14, 1983·162 cites·32 claims
- 0492US5096644AProcess for making a filled metathesis polymer articleHERCULES INC·Filed 1989·Granted Mar 17, 1992·56 cites·5 claims
- 0592US4764427AFiber having thermoplastic resin coatingTEIJIN LTD·Filed 1986·Granted Aug 16, 1988·65 cites·14 claims
- 0692US4360434AAmphoteric ion-permeable composite membraneTEIJIN LTD·Filed 1981·Granted Nov 23, 1982·78 cites·25 claims
- 0791US4086209ANovel nitrogen-containing aromatic polymers and process for their preparationTEIJIN LTD·Filed 1975·Granted Apr 25, 1978·57 cites·23 claims
- 0886US4242208ASemipermeable composite membrane and process for preparation thereofTEIJIN LTD·Filed 1979·Granted Dec 30, 1980·41 cites·42 claims
- 0985US5055499AMolded polymer article filled with inorganic material and production of said articleHERCULES INC·Filed 1990·Granted Oct 8, 1991·36 cites·18 claims
- 1084US3951920APermselective polymeric membrane prepared from polybenzimidazolesTEIJIN LTD·Filed 1972·Granted Apr 20, 1976·43 cites·14 claims
- 1184US3946033AProcess for the preparation of hydantoin derivativesTEIJIN LTD·Filed 1973·Granted Mar 23, 1976·14 cites·11 claims
- 1267US5064919AMetathesis polymerization of cycloolefinsHERCULES INC·Filed 1989·Granted Nov 12, 1991·15 cites·8 claims
- 1366US4994535AMetathesis polymerization cross-linked halogen-containing copolymerHERCULES INC·Filed 1990·Granted Feb 19, 1991·15 cites·4 claims
- 1463US4137221AHeat-curable and solvent-soluble ester group-containing polymer compositions and process for their preparationTEIJIN LTD·Filed 1975·Granted Jan 30, 1979·12 cites·12 claims
- 1559US4923943AMetathesis polymerized copolymerHERCULES INC·Filed 1988·Granted May 8, 1990·11 cites·17 claims
- 1658US4251649AHeat-curable and solvent-soluble ester group-containing polymer compositions and process for their preparationTEIJIN LTD·Filed 1978·Granted Feb 17, 1981·9 cites·2 claims
- 1756US4918138AProcess for producing a colored molded article of metathesis polymerized polymerHERCULES INC·Filed 1989·Granted Apr 17, 1990·11 cites·8 claims
- 1855US4760124ACrystalline polyester-imide, process for production thereof, and use thereofTEIJIN LTD·Filed 1986·Granted Jul 26, 1988·9 cites·18 claims
- 1953US4218247APhotoconductive resin containing tertiary amino groups for electrophotographyTEIJIN LTD·Filed 1978·Granted Aug 19, 1980·8 cites·11 claims
- 2052US4220563AHeat-curable and solvent-soluble ester group-containing polymer compositions and process for their preparationTEIJIN LTD·Filed 1977·Granted Sep 2, 1980·5 cites·14 claims
- 2151US5068296AMetathesis polymerized cross-linked copolymerHERCULES INC·Filed 1991·Granted Nov 26, 1991·6 cites·38 claims
- 2247US5069943AProcess for producing modified molded polymer articleHERCULES INC·Filed 1989·Granted Dec 3, 1991·10 cites·13 claims
- 2344US4900799AMetathesis polymerization of cycloolefinsTEIJIN LTD·Filed 1987·Granted Feb 13, 1990·5 cites·87 claims
- 2444US4085090AAromatic polymers containing a nitrogen-containing ring group, and process for preparation thereofTEIJIN LTD·Filed 1975·Granted Apr 18, 1978·6 cites·25 claims
- 2540US5061521AProcess for producing modified molded polymer articlesHERCULES INC·Filed 1989·Granted Oct 29, 1991·6 cites·9 claims
- 2640US5006616AMetathesis polymerized copolymerHERCULES INC·Filed 1988·Granted Apr 9, 1991·3 cites·16 claims
- 2739US5068307APolyamideimides containing 3,4'-diamino-diphenylether as diamine component and process for preparing the sameTEIJIN LTD·Filed 1989·Granted Nov 26, 1991·4 cites·5 claims
- 2839US5015710AProcess for producing a blended metathesis/radical polymer compositionHERCULES INC·Filed 1990·Granted May 14, 1991·4 cites·28 claims
- 2936US5019620AElastic crosslinked metathesis polymer compositionHERCULES INC·Filed 1990·Granted May 28, 1991·3 cites·18 claims
- 3033US5045362AProcess for producing modified molded polymer articleHERCULES INC·Filed 1989·Granted Sep 3, 1991·2 cites·17 claims
- 3133US4902740APolyamideimides containing 3,4'-diamino-diphenylether as diamine component, with plasticizerTEIJIN LTD·Filed 1988·Granted Feb 20, 1990·2 cites·10 claims
- 3230US4296218AHeat-curable and solvent-soluble ester group-containing polymer compositions and process for their preparationTEIJIN LTD·Filed 1980·Granted Oct 20, 1981·1 cites·16 claims
- 3329US4069206ANovel aromatic imine polymers and process for the preparation thereofTEIJIN LTD·Filed 1975·Granted Jan 17, 1978·1 cites·32 claims
- 3424US5017647ABlack-pigmented polymeric compositions of matterHERCULES INC·Filed 1990·Granted May 21, 1991·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →