YF

Yasumasa Fukatsu

Pioneer Electronic: 1 patents #88 of 240Top 40%
Overall (1989): #42,253 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4837637 Scanning method for disk player Toru Akiyama, Shigeru Yasuda, Kenichiro Yasukawa 1989-06-06