KM

Ken Matsubara

HI Hitachi: 2 patents #899 of 4,225Top 25%
MC Minolta Co.: 1 patents #119 of 328Top 40%
Overall (2003): #26,978 of 273,478Top 10%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6661555 Light shutter device Tomohiko Masuda, Isao Doi, Yasuyuki Hiromoto 2003-12-09
6507520 Nonvolatile memory system Tetsuya Tsujikawa, Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto 2003-01-14
6504764 Non-volatile memory device Tetsuya Tsujikawa, Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto 2003-01-07