Inventor

OSHIBA TOSHIO

JP3 patents

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

TOYO INK MFG CO

2 patents

US7255733B2Aug 14, 2007

Process for the production of β type copper phthalocyanine pigment and a use thereof

TOYO INK MFG CO4 citations60

US6860934B2Mar 1, 2005

Process for the production of β type copper phthalocyanine pigment

TOYO INK MFG CO6 citations58

TOYO INK MFG COMPANY

1 patent

US6692559B2Feb 17, 2004

Pigment yellow 74 and printing ink composition

TOYO INK MFG COMPANY6 citations51