SA

Seiji Aotani

JR Japan Synthetic Rubber: 1 patents #11 of 74Top 15%
UN Unknown: 1 patents #172 of 2,033Top 9%
Overall (1994): #70,289 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5291012 High resolution optical microscope and irradiation spot beam-forming mask Isao Shimizu 1994-03-01