Inventor
SAGAWA KOICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SAGAWA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPPAN INC
5 patentsUS12454116B2Oct 28, 2025
Decorative sheet and decorative member
TOPPAN INC0 citations61
US12194716B2Jan 14, 2025
Decorative sheet, decorative material, and method of producing decorative sheet
TOPPAN INC0 citations60
US12515444B2Jan 6, 2026
Decorative sheet and decorative member
TOPPAN INC0 citations51
US12415346B2Sep 16, 2025
Decorative sheet and method for producing the same
TOPPAN INC0 citations49
US12320128B2Jun 3, 2025
Decorative sheet, decorative material including the same, and method for producing decorative sheet
TOPPAN INC0 citations45