MH

Masaki Hirooka

JC Japan Vilene Company: 1 patents #1 of 14Top 8%
📍 Ibaraki, JP: #186 of 576 inventorsTop 35%
Overall (1994): #97,086 of 165,921Top 60%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5290645 Battery separator and a battery Masanao Tanaka, Nobutoshi Tokutake, Yoshihiko Kondo, Hiroaki Yamazaki, Koji Kimura 1994-03-01