KI

Kiyotaka Imagawa

SP Sakura Color Products: 5 patents #23 of 115Top 20%
Overall (All Time): #1,051,928 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5716217 Water base ink compositions for neon boards Yasuji Okuda 1998-02-10
5677363 Water based erasable ink compositions 1997-10-14
5561175 Water base erasable ink compositions 1996-10-01
5004763 Water base erasable ink compositions 1991-04-02
4954174 Erasable ink compositions 1990-09-04