KY

Keiichi Yoshizumi

Sumitomo Electric Industries: 3 patents #122 of 1,892Top 7%
HI Hitachi: 2 patents #343 of 3,149Top 15%
Overall (1994): #3,096 of 165,921Top 2%
5
Patents 1994

Issued Patents 1994

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5371023 Gate circuit, semiconductor integrated circuit device and method of fabrication thereof, semiconductor memory and microprocessor Masataka Minami, Mitsuru Hiraki, Kazuo Yano, Atsuo Watanabe, Kouichi Seki +3 more 1994-12-06
5328864 Method of doping gate electrodes discretely with either P-type or N-type impurities to form discrete semiconductor regions Satoshi Kudo 1994-07-12
5319194 Apparatus for measuring birefringence without employing rotating mechanism Keishi Kubo 1994-06-07
5315374 Three-dimensional measuring apparatus 1994-05-24
5283630 Error correcting method for measuring object surface using three-dimension measuring apparatus 1994-02-01