KS

Katsuhiko Shiraishi

ML Mitsubishi Pencil Company, Limited: 1 patents #1 of 15Top 7%
Overall (1994): #107,745 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5348989 Ink volatilization preventing composition for aqueous ball point pen — 1994-09-20