TO

Tetsuo Ohkawa

HI Hitachi: 2 patents #899 of 4,225Top 25%
Overall (2003): #40,105 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6648728 Polishing system Hiroyuki Kojima, Hidemi Sato 2003-11-18
6531399 Polishing method Hiroyuki Kojima, Hidemi Sato 2003-03-11