YM

Yasumasa Matsuda

HI Hitachi: 1 patents #814 of 2,935Top 30%
HS Hitachi Seiko: 1 patents #2 of 14Top 15%
📍 Ibaraki, JP: #110 of 447 inventorsTop 25%
Overall (1989): #42,016 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4849909 Ink-jet recording device Takahiro Yamada, Eiji Yoshino 1989-07-18