SN

Seiji Nishiwaki

Sumitomo Electric Industries: 3 patents #122 of 1,892Top 7%
📍 Kasai, JP: #31 of 502 inventorsTop 7%
Overall (1994): #8,876 of 165,921Top 6%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5343038 Scanning laser microscope with photo coupling and detecting unit Junichi Asada, Shinji Uchida 1994-08-30
5313450 Optical disk drive Junichi Asada, Shinji Uchida 1994-05-17
5307184 Exposure apparatus Junichi Asada, Shinji Uchida 1994-04-26