HY

Hiroshi Yamagata

UN Unknown: 1 patents #172 of 2,033Top 9%
YK Yoshida Kogyo K.K.: 1 patents #30 of 94Top 35%
Overall (1994): #123,928 of 165,921Top 75%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5366564 Hard wear-resistant film and method for production thereof Akihisa Inoue, Tsuyoshi Masumoto 1994-11-22