Inventor · disambiguated record
Koujirou Nagatsuka
Also filed as: NAGATSUKA KOUJIROU
2 granted patents·9 citations·filing 1997–1999
55Inventor score
Files withCHELEST CORP2
Top patents by PatentIndex Score
2 records- 0132US6200481B1Chelate-forming fiber, process for preparing the same, and use thereofCHELEST CORP·Filed 1999·Granted Mar 13, 2001·5 cites·18 claims
- 0226US6156075AMetal chelate forming fiber, process for preparing the same, and method of metal ion sequestration using said fiberCHELEST CORP·Filed 1997·Granted Dec 5, 2000·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →