TN

Toshihiko Nagai

Sumitomo Electric Industries: 4 patents #198 of 3,885Top 6%
Mitsubishi Electric: 2 patents #336 of 2,499Top 15%
Overall (2003): #11,871 of 273,478Top 5%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6645807 Method for manufacturing semiconductor device Akihiko Tsuzumitani, Yasutoshi Okuno 2003-11-11
6642142 Substrate cleaning method and method for producing an electronic device Hiroshi Tanaka, Naoki Yokoi, Yasuhiro Asaoka, Seiji Muranaka 2003-11-04
6586145 Method of fabricating semiconductor device and semiconductor device Naoki Yokoi, Hiroshi Tanaka, Yasuhiro Asaoka, Seiji Muranaka 2003-07-01
6531381 Method and apparatus for cleaning semiconductor device and method of fabricating semiconductor device Yasuhiro Asaoka, Hiroshi Tanaka, Naoki Yokoi, Seiji Muranaka 2003-03-11