Inventor · disambiguated record
Koichi Katsuyama
Also filed as: KATSUYAMA KOICHI
2 granted patents·2 pending applications·4 citations·filing 2004–2006
47Inventor score
Top patents by PatentIndex Score
4 records- 0161US7438754B2Cobalt-containing black pigment particulatesMITSUI MINING & SMELTING CO·Filed 2005·Granted Oct 21, 2008·1 cites·13 claims
- 0251US7465495B2Composite black oxide particle, method for producing same, black coating material and black matrixMITSU MINING & SMELTING CO LTD·Filed 2004·Granted Dec 16, 2008·3 cites·20 claims
- 0342US2009270239A1Black Complex Oxide Particles, Process for Producing the Same, Black Pastes, and Black MatrixesKATSUYAMA KOICHI·Filed 2006·Application pending·0 cites
- 0438US2009269585A1Black complex oxide particlesMITSUI MINING & SMELTING CO·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →