Inventor · disambiguated record
Ryouji Iwanaga
Also filed as: IWANAGA RYOUJI
1 granted patent·1 pending application·0 citations·filing 2018–2022
13Inventor score
Technology areasC23C
Files withDIPSOL CHEM2
Top patents by PatentIndex Score
2 records- 0172US11987888B2Trivalent chromium chemical conversion treatment liquid for zinc or zinc alloy base and chemical conversion treatment method using the sameDIPSOL CHEM·Filed 2022·Granted May 21, 2024·0 cites·15 claims
- 0262US2019078214A1Trivalent chromium chemical conversion treatment liquid for zinc or zinc alloy base and chemical conversion treatment method using the sameDIPSOL CHEM·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →