YH

Yuji Hayakawa

Brother Kogyo: 1 patents #78 of 215Top 40%
TL Tokyo Electron Limited: 1 patents #14 of 82Top 20%
📍 Moriyama, JP: #12 of 125 inventorsTop 10%
Overall (1989): #12,177 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4884026 Electrical characteristic measuring apparatus Takuo Uchida 1989-11-28
4796113 Method and apparatus for automatically replacing defective recording tracks in data storage apparatus 1989-01-03