Inventor

TSUKUI HIROYUKI

JP3 patents

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

NIPPON KAYAKU KK

2 patents

US7585361B2Sep 8, 2009

Porphyrazine coloring matter, ink, ink set and colored product

NIPPON KAYAKU KK32 citations91

US10899153B2Jan 26, 2021

Heat-sensitive recording material and diphenylsulfone

NIPPON KAYAKU KK0 citations55

NEC CORP

1 patent

US6432807B1Aug 13, 2002

Method of forming solder bumps on a semiconductor device using bump transfer plate

NEC CORP24 citations89