YK

Yukio Koizumi

KT Kabushiki Kaisha Toshiba: 1 patents #480 of 1,730Top 30%
Overall (1997): #54,319 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5620823 Developing agent for electrophotography and developing method Akira Kambayashi, Shigeyuki Kuroiwa 1997-04-15