Inventor · disambiguated record
Yoichiro Kubo
Also filed as: KUBO YOICHIRO
23 granted patents·549 citations·filing 1980–1991
97Inventor score
Files withNIPPON ZEON CO23
Top patents by PatentIndex Score
23 records- 0195US4337329AProcess for hydrogenation of conjugated diene polymersNIPPON ZEON CO·Filed 1980·Granted Jun 29, 1982·80 cites·5 claims
- 0293US4452951AProcess for hydrogenating conjugated diene polymersNIPPON ZEON CO·Filed 1982·Granted Jun 5, 1984·76 cites·11 claims
- 0393US4384081AProcess for production of hydrogenated conjugated diene polymersNIPPON ZEON CO·Filed 1982·Granted May 17, 1983·56 cites·4 claims
- 0482US5272202AHydrogenation process of unsaturated, nitrile-group-containing polymer and aqueous emulsion of hydrogenated polymerNIPPON ZEON CO·Filed 1990·Granted Dec 21, 1993·40 cites·12 claims
- 0579US4643938ABelt comprising rubber and fibersNIPPON ZEON CO·Filed 1983·Granted Feb 17, 1987·27 cites·7 claims
- 0679US4510293AProcess for hydrogenating conjugated diene polymersNIPPON ZEON CO·Filed 1983·Granted Apr 9, 1985·23 cites·7 claims
- 0775US4560729ARubber compositionNIPPON ZEON CO·Filed 1984·Granted Dec 24, 1985·19 cites·11 claims
- 0874US4654404AOil-resistant rubber compositionNIPPON ZEON CO·Filed 1985·Granted Mar 31, 1987·25 cites·8 claims
- 0973US4965323AMethod of vulcanizing rubber at pH 5 to 10NIPPON ZEON CO·Filed 1987·Granted Oct 23, 1990·22 cites·4 claims
- 1072US4910267AOil-resistant and anti-degrading rubber articleNIPPON ZEON CO·Filed 1988·Granted Mar 20, 1990·23 cites·7 claims
- 1169US4956417ANitrile group-containing highly saturated copolymer rubber and rubber composition having improved cold resistanceNIPPON ZEON CO·Filed 1989·Granted Sep 11, 1990·13 cites·12 claims
- 1268US4954576AProcess for hydrogenating conjugated diene polymersNIPPON ZEON CO·Filed 1989·Granted Sep 4, 1990·16 cites·15 claims
- 1365US4593070AImpact-resistant phenolic resin compositionNIPPON ZEON CO·Filed 1985·Granted Jun 3, 1986·17 cites·7 claims
- 1463US4614779AOil- and heat-resistant rubber composition comprising nitrile containing rubber and fluorine containing rubberNIPPON ZEON CO·Filed 1985·Granted Sep 30, 1986·18 cites·6 claims
- 1562US4786675ASealed semiconductor containing an epoxy resin compositionNIPPON ZEON CO·Filed 1987·Granted Nov 22, 1988·18 cites·5 claims
- 1661US5013797ANitrile group-containing highly saturated copolymer rubber and rubber composition having improved cold resistanceNIPPON ZEON CO·Filed 1990·Granted May 7, 1991·10 cites·12 claims
- 1761US5013796ANitrile group-containing highly saturated copolymer rubber and rubber composition having improved cold resistanceNIPPON ZEON CO·Filed 1990·Granted May 7, 1991·10 cites·12 claims
- 1860US5164457AMethod for hydrogenating nitrile group-containing unsaturated copolymerNIPPON ZEON CO·Filed 1991·Granted Nov 17, 1992·12 cites·2 claims
- 1956US5128297AMethod for hydrogenating conjugated diene polymerNIPPON ZEON CO·Filed 1991·Granted Jul 7, 1992·11 cites·3 claims
- 2045US5151333AMagnetic recording medium comprising a magnetic layer or backcoat layer containing a specified dispersantNIPPON ZEON CO·Filed 1990·Granted Sep 29, 1992·10 cites·10 claims
- 2144US4656219ARubber member having oil resistance and resistance to deteriorationNIPPON ZEON CO·Filed 1985·Granted Apr 7, 1987·15 cites·9 claims
- 2236US5169901AMethod for hydrogenating conjugated diene polymerNIPPON ZEON CO·Filed 1991·Granted Dec 8, 1992·4 cites·2 claims
- 2332US4559390AMethod for preventing degradation and deterioration of vulcanized rubber materialNIPPON ZEON CO·Filed 1984·Granted Dec 17, 1985·4 cites·6 claims
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