YA

Yoji Arai

HI Hitachi: 1 patents #311 of 1,214Top 30%
📍 Hitachinaka, JP: #27 of 109 inventorsTop 25%
Overall (1982): #22,281 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4366418 Spectral source, particularly for atomic absorption spectrometry Shinji Mayama 1982-12-28