Inventor · disambiguated record
Sakae Naito
Also filed as: NAITO SAKAE
7 granted patents·100 citations·filing 1987–1992
86Inventor score
Top patents by PatentIndex Score
7 records- 0173US5182011AProcess for preparing pitchesMARUZEN PETROCHEM CO LTD·Filed 1990·Granted Jan 26, 1993·27 cites·29 claims
- 0264US4789456AProcess for preparing mesophase pitchesAGENCY IND SCIENCE TECHN·Filed 1987·Granted Dec 6, 1988·15 cites·6 claims
- 0363US5091072AProcess for preparing pitchesMARUZEN PETROCHEM CO LTD·Filed 1990·Granted Feb 25, 1992·18 cites·16 claims
- 0459US4820401AProcess for the preparation of mesophase pitchesIIZUKA KOZO·Filed 1987·Granted Apr 11, 1989·14 cites·17 claims
- 0549US4925547AProcess 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
- 0646US4874502AMethod 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
- 0740US5240613AProcess 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 →