TY

Tohru Yoshida

NS Nippon Steel: 27 patents #23 of 4,423Top 1%
NM Nippon Steel & Sumitomo Metal: 10 patents #63 of 1,491Top 5%
KT Kabushiki Kaisha Toshiba: 6 patents #4,898 of 21,451Top 25%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Samsung: 3 patents #30,683 of 75,807Top 45%
HS Hitachi Tohbu Semiconductor: 3 patents #58 of 223Top 30%
Casio Computer Co.: 2 patents #935 of 1,970Top 50%
NE Nec: 1 patents #7,889 of 14,502Top 55%
KE Kokusai Electric: 1 patents #344 of 583Top 60%
HC H-One Co.: 1 patents #9 of 16Top 60%
Overall (All Time): #45,518 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
5166762 Dynamic RAM having 3-dimensional memory cell structure 1992-11-24
5049956 Memory cell structure of semiconductor memory device Mitsumasa Furukawa 1991-09-17
5028986 Semiconductor device and semiconductor module with a plurality of stacked semiconductor devices Toshio Sugano, Kohji Nagaoka, Seiichiro Tsukui, Yoshiaki Wakashima, Michio Tanimoto +8 more 1991-07-02
4974658 Sheet shutter Akio Komatsu, Nakayoshi Imada, Shuichi Katsura 1990-12-04
4833598 I/O interrupt handling mechanism in a multiprocessor system Jiro Imamura, Katsuro Wakai 1989-05-23