HS

Hirofumi Sumi

SO Sony: 3 patents #63 of 1,361Top 5%
Overall (1997): #15,594 of 185,788Top 9%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5700722 Process for forming silicide plugs in semiconductor devices 1997-12-23
5686355 Method for forming film of refractory metal Chigusa Yamane 1997-11-11
5597739 MOS transistor and method for making the same Naoki Nagashima 1997-01-28