Inventor · disambiguated record
Ippei Fujinaga
Also filed as: FUJINAGA IPPEI
10 granted patents·1 pending application·48 citations·filing 2006–2013
86Inventor score
Top patents by PatentIndex Score
11 records- 0191US7964173B2Feedstock composition and raw coke for electricity storage carbon material and needle cokeNIPPON OIL CORP·Filed 2006·Granted Jun 21, 2011·18 cites·12 claims
- 0289US9142832B2Graphite material for negative electrodes of lithium ion secondary battery, manufacturing method for said material, and lithium ion secondary battery using sameJX NIPPON OIL & ENERGY CORP·Filed 2013·Granted Sep 22, 2015·10 cites·8 claims
- 0384US8226921B2Raw coke for electricity storage carbon material and needle cokeOYAMA TAKASHI·Filed 2011·Granted Jul 24, 2012·4 cites·4 claims
- 0482US8197788B2Raw coke for electricity storage carbon material and needle cokeOYAMA TAKASHI·Filed 2011·Granted Jun 12, 2012·4 cites·7 claims
- 0579US7959888B2Raw coke for electricity storage carbon material and needle cokeNIPPON OIL CORP·Filed 2006·Granted Jun 14, 2011·8 cites·9 claims
- 0665US7993619B2Raw oil composition for carbon material for electric double layer capacitor electrodeNIPPON OIL CORP·Filed 2006·Granted Aug 9, 2011·4 cites·14 claims
- 0754US8741125B2Raw oil composition for negative electrode material for lithium ion secondary batteryTANO TAMOTSU·Filed 2009·Granted Jun 3, 2014·0 cites·12 claims
- 0853US9147873B2Method of producing amorphous carbon material for the negative electrode of lithium ION secondary battery, and lithium ION secondary batteryJX NIPPON OIL & ENERGY CORP·Filed 2013·Granted Sep 29, 2015·0 cites·1 claims
- 0953US8715484B2Process for producing needle coke for graphite electrode and stock oil composition for use in the processTANO TAMOTSU·Filed 2009·Granted May 6, 2014·0 cites·6 claims
- 1051US9214666B2Graphite material with lattice distortion for use in lithium-ion secondary battery negative electrodes, and lithium-ion secondary batteryJX NIPPON OIL & ENERGY CORP·Filed 2013·Granted Dec 15, 2015·0 cites·2 claims
- 1147US2013089491A1Raw petroleum coke composition for anode material for lithium ion secondary batteryJX NIPPON OIL & ENERGY CORP·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →