TN

Tetsuji Nagayama

SO Sony: 3 patents #57 of 1,124Top 6%
Overall (1994): #8,175 of 165,921Top 5%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5368686 Dry etching method for W polycide using sulfur deposition Tetsuya Tatsumi 1994-11-29
5369061 Method of producing semiconductor device using a hydrogen-enriched layer 1994-11-29
5354421 Dry etching method Tetsuya Tatsumi, Shingo Kadomura 1994-10-11