AT

Akihiko Tsuzumitani

Sumitomo Electric Industries: 3 patents #364 of 3,885Top 10%
Overall (2003): #34,107 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6645807 Method for manufacturing semiconductor device Yasutoshi Okuno, Toshihiko Nagai 2003-11-11
6642564 Semiconductor memory and method for fabricating the same Hisashi Ogawa, Yoshihiro Mori 2003-11-04
6531729 Semiconductor device and method for fabricating the same Yasutoshi Okuno, Yoshihiro Mori 2003-03-11