Inventor · disambiguated record
Toshifumi Kawamura
Also filed as: KAWAMURA TOSHIFUMI
11 granted patents·4 pending applications·38 citations·filing 1992–2021
86Inventor score
Files withJX NIPPON MINING & METALS CORP5PETOCA LTD4KAWAMURA TOSHIFUMI2NIPPON MINING CO2JX METALS CORP1
Top patents by PatentIndex Score
15 records- 0173US7713340B2Pretreating agent for electroless plating, method of electroless plating using the same and product of electroless platingNIPPON MINING CO·Filed 2004·Granted May 11, 2010·11 cites·12 claims
- 0264US8043705B2Resin substrate material, electronic component substrate material manufactured by electroless plating on the same, and method for manufacturing electronic component substrate materialNIPPON MINING CO·Filed 2006·Granted Oct 25, 2011·2 cites·11 claims
- 0362US5308599AProcess for producing pitch-based carbon fiberPETOCA LTD·Filed 1992·Granted May 3, 1994·13 cites·6 claims
- 0455US10422022B2Method for producing tungstenJX NIPPON MINING & METALS CORP·Filed 2016·Granted Sep 24, 2019·0 cites·20 claims
- 0554US10227235B2Method for producing tungsten carbideJX NIPPON MINING & METALS CORP·Filed 2016·Granted Mar 12, 2019·0 cites·14 claims
- 0654US2024047776A1Method for Processing Lithium Ion Battery WasteJX NIPPON MINING & METALS CORP·Filed 2021·Application pending·0 cites
- 0753US10538849B2Method for recovering at least one valuable containing tungstenJX NIPPON MINING & METALS CORP·Filed 2016·Granted Jan 21, 2020·0 cites·20 claims
- 0851US10647589B2Polyoxometalate and method for producing polyoxometalateJX NIPPON MINING & METALS CORP·Filed 2016·Granted May 12, 2020·0 cites·15 claims
- 0949US2007269680A1Electroless Plating Pretreatment Agent and Copper-Clad Laminate for Flexible SubstrateKAWAMURA TOSHIFUMI·Filed 2005·Application pending·0 cites
- 1044US12026867B2Apparatus for analyzing composition of electronic and electrical device part scraps, device for processing electronic and electrical device part scraps, and method for processing electronic and electrical device part scrapsJX METALS CORP·Filed 2019·Granted Jul 2, 2024·0 cites·10 claims
- 1140US2007120880A1Inkjet ink compositionKAWAMURA TOSHIFUMI·Filed 2004·Application pending·0 cites
- 1238US5888928AProcess for producing activated carbon fiber molding and activated carbon fiber moldingPETOCA LTD·Filed 1997·Granted Mar 30, 1999·6 cites·6 claims
- 1336US2002160266A1Graphite material for negative electrode of lithium ion secondary battery and process for producing the samePETOCA MATERIALS LTD·Filed 2002·Application pending·0 cites
- 1435US5547363ANozzle for spinning pitch-based carbon fibersPETOCA LTD·Filed 1995·Granted Aug 20, 1996·3 cites·4 claims
- 1535US5292473AProcess for preparing pitch for matrixPETOCA LTD·Filed 1993·Granted Mar 8, 1994·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →