KK

Keiji Kataoka

HI Hitachi: 1 patents #856 of 3,149Top 30%
HC Hitachi Koki Co.: 1 patents #15 of 87Top 20%
Overall (1994): #27,883 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5325172 Optical system for analyzing samples separated by a centrifugal separator Sadamoto Tachihara, Masakuni Koreeda 1994-06-28
5296995 Method of magnetically recording and reading data, magnetic recording medium, its production method and magnetic recording apparatus Seiji Yonezawa, Hajime Fukke, Tsuneo Terasawa, Keizo Kato, Harukazu Miyamoto +3 more 1994-03-22