Inventor · disambiguated record
Takehiko Kitamura
Also filed as: KITAMURA TAKEHIKO · SHIGEYASU MOTOO · YAMAZAKI HATSUTARO
11 granted patents·267 citations·filing 1974–1995
92Inventor score
Files withSUMITOMO HEAVY INDUSTRIES5MATSUYAMA PETROCHEMICALS INC3MARUZEN OIL CO LTD1MITSUI PETROCHEMICAL IND1SEIKO GIKEN KK1
Top patents by PatentIndex Score
11 records- 0196US4327226AProcess and apparatus for producing aromatic dicarboxylic acidsMATSUYAMA PETROCHEMICALS INC·Filed 1980·Granted Apr 27, 1982·82 cites·31 claims
- 0296US4062654AApparatus for continuous liquid-phase oxidation reactionMATSUYAMA PETROCHEMICALS INC·Filed 1974·Granted Dec 13, 1977·61 cites·11 claims
- 0379US4159307AApparatus for producing aromatic dicarboxylic acidsMATSUYAMA PETROCHEMICALS INC·Filed 1977·Granted Jun 26, 1979·24 cites·12 claims
- 0462US5018962AInjection molding die apparatus for use in the production of substrate of optical diskSUMITOMO HEAVY INDUSTRIES·Filed 1989·Granted May 28, 1991·26 cites·2 claims
- 0556US4979891AMold for molding optical disk baseSUMITOMO HEAVY INDUSTRIES·Filed 1989·Granted Dec 25, 1990·18 cites·2 claims
- 0651US5417899AInjection compression molding method for compact discs or the likeSUMITOMO HEAVY INDUSTRIES·Filed 1994·Granted May 23, 1995·15 cites·7 claims
- 0749US5098281AInjection mold capable of shearing film gate within moldSUMITOMO HEAVY INDUSTRIES·Filed 1990·Granted Mar 24, 1992·14 cites·1 claims
- 0844US5501592AMold having opposed offset cooling channelsSUMITOMO HEAVY INDUSTRIES·Filed 1994·Granted Mar 26, 1996·9 cites·3 claims
- 0939US4189603AProcess for producing high-quality terephthalic acid suitable for use in direct polymerizationMARUZEN OIL CO LTD·Filed 1978·Granted Feb 19, 1980·4 cites·23 claims
- 1038US5354517AProcess for the preparation of substrates for optical diskMITSUI PETROCHEMICAL IND·Filed 1993·Granted Oct 11, 1994·7 cites·7 claims
- 1136US5693348ADisc molding dieSEIKO GIKEN KK·Filed 1995·Granted Dec 2, 1997·7 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →