YO

Yoshimitsu Ohtaka

TL Tokyo Electron Limited: 3 patents #1 of 82Top 2%
Overall (1989): #5,926 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4885830 Process of producing a valve element — 1989-12-12
4864325 Printing device — 1989-09-05
4821999 Valve element and process of producing the same — 1989-04-18