Inventor
FUJII TOMOKO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “FUJII TOMOKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
5 patentsUS12590373B2Mar 31, 2026
Aqueous composition, stainless steel surface roughening method using same, and method for manufacturing roughened stainless steel
MITSUBISHI GAS CHEMICAL CO0 citations62
US12351922B2Jul 8, 2025
Roughening treatment method for stainless steel surface, method for manufacturing roughened stainless steel, and aqueous composition used in said methods
MITSUBISHI GAS CHEMICAL CO0 citations62
US11926904B2Mar 12, 2024
Aqueous composition, method for roughening stainless steel surface in which same is used, roughened stainless steel, and method for manufacturing same
MITSUBISHI GAS CHEMICAL CO0 citations62
US11993851B2May 28, 2024
Aqueous solution for surface treatment, method for producing surface-treated alloy, and composite and method for producing the same
MITSUBISHI GAS CHEMICAL CO0 citations56
US11821092B2Nov 21, 2023
Etchant for selectively etching copper and copper alloy, and method for manufacturing semiconductor substrate using said etchant
MITSUBISHI GAS CHEMICAL CO0 citations45