Assignee
NIPPON CARBON CO LTD
JP·34 granted patents·1 pending application·589 citations·filing 1974–2019
Top patents by PatentIndex Score
35 records- 0198US4234638AComposite graphite sheetsNIPPON CARBON CO LTD·Filed 1977·Granted Nov 18, 1980·184 cites·17 claims
- 0283US11276858B2Negative electrode active material for lithium ion rechargeable battery and negative electrode using the sameNIPPON CARBON CO LTD·Filed 2019·Granted Mar 15, 2022·1 cites·3 claims
- 0383US10283775B2Negative electrode active material for lithum ion rechargeable battery and negative electrode using the sameNIPPON CARBON CO LTD·Filed 2016·Granted May 7, 2019·2 cites·4 claims
- 0482US4084399AGut for racketNIPPON CARBON CO LTD·Filed 1976·Granted Apr 18, 1978·44 cites·20 claims
- 0579US3956568ACarbon-metal composite materialNIPPON CARBON CO LTD·Filed 1974·Granted May 11, 1976·19 cites·16 claims
- 0678US4075114AFlexible graphite material containing boric acidNIPPON CARBON CO LTD·Filed 1976·Granted Feb 21, 1978·30 cites·5 claims
- 0773US4726980AElectromagnetic wave absorbers of silicon carbide fibersNIPPON CARBON CO LTD·Filed 1987·Granted Feb 23, 1988·36 cites·15 claims
- 0873US4226821AProcess for producing flexible graphiteNIPPON CARBON CO LTD·Filed 1978·Granted Oct 7, 1980·25 cites·10 claims
- 0972US5270280APacking material for liquid chromatography and method of manufacturing thereofNIPPON CARBON CO LTD·Filed 1991·Granted Dec 14, 1993·30 cites·8 claims
- 1060US11002369B2High sealing property ball valve seatNIPPON CARBON CO LTD·Filed 2017·Granted May 11, 2021·2 cites·8 claims
- 1159US4507354AElectromagnetic wave absorbers of silicon carbide fibersNIPPON CARBON CO LTD·Filed 1983·Granted Mar 26, 1985·16 cites·5 claims
- 1258US4117051ACarbon article manufacturing methodNIPPON CARBON CO LTD·Filed 1976·Granted Sep 26, 1978·16 cites·9 claims
- 1356US4650773AContinuous inorganic fiber consisting of Si, N and O and a method of producing the sameNIPPON CARBON CO LTD·Filed 1985·Granted Mar 17, 1987·13 cites·4 claims
- 1456US4094951AComposites of oxidized graphite material and expanded graphite materialNIPPON CARBON CO LTD·Filed 1976·Granted Jun 13, 1978·13 cites·5 claims
- 1555US3972984AProcess for the preparation of carbon fiberNIPPON CARBON CO LTD·Filed 1975·Granted Aug 3, 1976·11 cites·6 claims
- 1654US10102980B2Negative-electrode active material for lithium ion capacitorNIPPON CARBON CO LTD·Filed 2014·Granted Oct 16, 2018·0 cites·1 claims
- 1753US4941149AMethod of melting and/or refining metals and cooling device for the graphite electrode used for the sameNIPPON CARBON CO LTD·Filed 1987·Granted Jul 10, 1990·16 cites·10 claims
- 1852US4440571AProcess for the surface treatment of inorganic fibers for reinforcing titanium or nickel and productNIPPON CARBON CO LTD·Filed 1982·Granted Apr 3, 1984·7 cites·6 claims
- 1951US5272126AAdsorption type packing for gas chromatography and process for producing the sameNIPPON CARBON CO LTD·Filed 1992·Granted Dec 21, 1993·14 cites·10 claims
- 2048US5344709ASilicon carbide fiber and method of manufacturing the sameNIPPON CARBON CO LTD·Filed 1992·Granted Sep 6, 1994·14 cites·2 claims
- 2148US5025243AInfrared detective elementNIPPON CARBON CO LTD·Filed 1989·Granted Jun 18, 1991·10 cites·2 claims
- 2248US4916093AMethod of producing continuous inorganic fiber consisting of Si, N and ONIPPON CARBON CO LTD·Filed 1989·Granted Apr 10, 1990·9 cites·8 claims
- 2346US5795539AMethod for cooling graphite electrodes used for metal melting and refining in an electric arc furnace and a ladleNIPPON CARBON CO LTD·Filed 1996·Granted Aug 18, 1998·10 cites·4 claims
- 2445US4356158AProcess for producing carbon fibersNIPPON CARBON CO LTD·Filed 1981·Granted Oct 26, 1982·6 cites·5 claims
- 2543US4717589AMethod for manufacturing a silicon carbide fiber reinforced glass compositeNIPPON CARBON CO LTD·Filed 1986·Granted Jan 5, 1988·8 cites·3 claims
- 2641US5447624APackings for liquid chromatography and process for producing the sameNIPPON CARBON CO LTD·Filed 1994·Granted Sep 5, 1995·7 cites·8 claims
- 2740US5037699AHeat-resistant, corrosion-resistant inorganic composite bodies and process for preparing the sameNIPPON CARBON CO LTD·Filed 1990·Granted Aug 6, 1991·6 cites·4 claims
- 2839US2018327322A1Coating formed on graphite substrate and method for producing the sameNIPPON CARBON CO LTD·Filed 2016·Application pending·0 cites
- 2938US4973516AGaskets for use in internal combustion enginesNIPPON CARBON CO LTD·Filed 1988·Granted Nov 27, 1990·10 cites·7 claims
- 3037US5824281AProcess for producing silicon carbide fibersNIPPON CARBON CO LTD·Filed 1996·Granted Oct 20, 1998·6 cites·4 claims
- 3132US5966794AMethod of manufacturing multiple-piece graphite crucibleNIPPON CARBON CO LTD·Filed 1998·Granted Oct 19, 1999·8 cites·9 claims
- 3232US4769195AManufacturing a silicon carbide fiber reinforced glass composite using plasma sprayingNIPPON CARBON CO LTD·Filed 1987·Granted Sep 6, 1988·3 cites·3 claims
- 3332US4045526AProcess for the preparation of graphite-clad nuclear fuel rodsNIPPON CARBON CO LTD·Filed 1975·Granted Aug 30, 1977·5 cites·10 claims
- 3431US5234675AManufacturing sintered body of silicon carbide by using SiC whiskers in a multiple heating step processNIPPON CARBON CO LTD·Filed 1991·Granted Aug 10, 1993·2 cites·2 claims
- 3526US6184507B1Package for carbon heater used for manufacturing a mono crystal body and method of forming the sameNIPPON CARBON CO LTD·Filed 1999·Granted Feb 6, 2001·6 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →