KM

Kimio Murakami

SP Sakura Color Products: 2 patents #47 of 115Top 45%
Overall (All Time): #2,369,826 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4256494 Erasable ink composition for writing on an impervious surface Masaji Yamamoto, Keiko Shioi 1981-03-17
4212786 Crayon compositions 1980-07-15