KN

Kohji Nagaoka

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HS Hitachi Tohbu Semiconductor: 3 patents #58 of 223Top 30%
📍 Nikko, JP: #21 of 81 inventorsTop 30%
Overall (All Time): #1,655,213 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5334875 Stacked semiconductor memory device and semiconductor memory module containing the same Toshio Sugano, Seiichiro Tsukui, Yoshiaki Wakashima, Michio Tanimoto, Masayuki Watanabe +8 more 1994-08-02
5198888 Semiconductor stacked device Toshio Sugano, Seiichiro Tsukui, Yoshiaki Wakashima, Michio Tanimoto, Masayuki Watanabe +8 more 1993-03-30
5028986 Semiconductor device and semiconductor module with a plurality of stacked semiconductor devices Toshio Sugano, Seiichiro Tsukui, Yoshiaki Wakashima, Michio Tanimoto, Masayuki Watanabe +8 more 1991-07-02