Inventor · disambiguated record
Masatoshi Tsuchitani
Also filed as: TSUCHITANI MASATOSHI
14 granted patents·227 citations·filing 1986–2001
93Inventor score
Files withMARUZEN PETROCHEM CO LTD11AGENCY IND SCIENCE TECHN1IIZUKA KOZO1ITARU TODOROK DIRECTOR GENERAL1
Top patents by PatentIndex Score
14 records- 0181US4705618AProcess for the preparation of an intermediate pitch for manufacturing carbon productsMARUZEN PETROCHEM CO LTD·Filed 1986·Granted Nov 10, 1987·30 cites·7 claims
- 0275US6323149B1Catalyst component and catalyst containing the component for polymerization of olefinsMARUZEN PETROCHEM CO LTD·Filed 2000·Granted Nov 27, 2001·7 cites·8 claims
- 0374US6569800B2Catalyst component for polymerization of olefins, polymerization catalyst and process of polymerization of olefins by using the sameMARUZEN PETROCHEM CO LTD·Filed 2001·Granted May 27, 2003·10 cites·8 claims
- 0473US5182011AProcess for preparing pitchesMARUZEN PETROCHEM CO LTD·Filed 1990·Granted Jan 26, 1993·27 cites·29 claims
- 0572US5736030AProcess for manufacturing fine particles of pitch with a high softening pointMARUZEN PETROCHEM CO LTD·Filed 1995·Granted Apr 7, 1998·27 cites·18 claims
- 0664US6350831B1Process for the polymerization of olefins using a catalyst containing a novel catalyst componentMARUZEN PETROCHEM CO LTD·Filed 1998·Granted Feb 26, 2002·15 cites·26 claims
- 0764US4789456AProcess for preparing mesophase pitchesAGENCY IND SCIENCE TECHN·Filed 1987·Granted Dec 6, 1988·15 cites·6 claims
- 0863US5091072AProcess for preparing pitchesMARUZEN PETROCHEM CO LTD·Filed 1990·Granted Feb 25, 1992·18 cites·16 claims
- 0962US4818449AProcess to prevent crack formation in the production of carbon fibersITARU TODOROK DIRECTOR GENERAL·Filed 1986·Granted Apr 4, 1989·15 cites·10 claims
- 1059US4820401AProcess for the preparation of mesophase pitchesIIZUKA KOZO·Filed 1987·Granted Apr 11, 1989·14 cites·17 claims
- 1158US6194344B1Process for preparing carbonaceous material carrying ultrafinely dispersed metalMARUZEN PETROCHEM CO LTD·Filed 1999·Granted Feb 27, 2001·23 cites·12 claims
- 1249US4925547AProcess for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibersMARUZEN PETROCHEM CO LTD·Filed 1989·Granted May 15, 1990·9 cites·40 claims
- 1346US4874502AMethod of purifying coal tars for use in the production of carbon productsMARUZEN PETROCHEM CO LTD·Filed 1988·Granted Oct 17, 1989·6 cites·4 claims
- 1440US5240613AProcess for regenerating clogged filtersMARUZEN PETROCHEM CO LTD·Filed 1992·Granted Aug 31, 1993·11 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →