KY

Keiichi Yoshizumi

Sumitomo Electric Industries: 2 patents #693 of 4,178Top 20%
RT Renesas Technology: 1 patents #498 of 1,436Top 35%
Overall (2004): #25,493 of 270,089Top 10%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6770492 Ferroelectric memory device Hiromichi Waki, Mitsuhiro Mori 2004-08-03
6763319 Profilometer and method for measuring, and method for manufacturing object of surface profiling Koji Handa, Keishi Kubo, Hiroyuki Takeuchi 2004-07-13
6710883 Apparatus and method for measuring flatness of thin plate Keishi Kubo, Hiroyuki Takeuchi, Kouji Handa 2004-03-23