Inventor

HAMANAKA SEIJI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “HAMANAKA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAINIPPON TORYO KK

2 patents

US11732148B2Aug 22, 2023

Ink composition

DAINIPPON TORYO KK0 citations49

US10023754B2Jul 17, 2018

Metallic ink composition for inkjet printing for polyvinyl chloride substrate

DAINIPPON TORYO KK0 citations33

IWASAWA AKIRA

1 patent

US8940823B2Jan 27, 2015

Water-based coating composition

IWASAWA AKIRA0 citations30