Inventor · disambiguated record
Fuka Yamaoka
Also filed as: YAMAOKA Fuka
3 granted patents·0 citations·filing 2018–2020
40Inventor score
Files withISHIHARA CHEMICAL CO LTD3
Top patents by PatentIndex Score
3 records- 0153US11946153B2Copper or copper alloy electroplating bathISHIHARA CHEMICAL CO LTD·Filed 2020·Granted Apr 2, 2024·0 cites·13 claims
- 0247US11993862B2Structure including copper plating layer or copper alloy plating layerISHIHARA CHEMICAL CO LTD·Filed 2020·Granted May 28, 2024·0 cites·7 claims
- 0344US11052637B2Structure containing Sn layer or Sn alloy layerISHIHARA CHEMICAL CO LTD·Filed 2018·Granted Jul 6, 2021·0 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →