Inventor
KOYANAGI TOSHIFUMI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KOYANAGI TOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO KOHAN CO LTD
5 patentsUS11760063B2Sep 19, 2023
Roughened nickel-plated sheet
TOYO KOHAN CO LTD0 citations59
US12104271B2Oct 1, 2024
Roughened plated sheet
TOYO KOHAN CO LTD0 citations57
US11732376B2Aug 22, 2023
Roughened plated sheet
TOYO KOHAN CO LTD0 citations57
US12018395B2Jun 25, 2024
Roughened nickel-plated material and method for manufacturing same
TOYO KOHAN CO LTD0 citations52
US12325928B2Jun 10, 2025
Roughened nickel-plated sheet
TOYO KOHAN CO LTD0 citations41