KU

Kaoru Umemura

HI Hitachi: 2 patents #771 of 3,950Top 20%
Overall (2002): #55,957 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6476390 Method and apparatus for inspecting integrated circuit pattern using a plurality of charged particle beams Hisaya Murakoshi, Yusuke Yajima, Hiroyuki Shinada, Mari Nozoe, Atsuko Takafuji +2 more 2002-11-05
6384411 Ion source and mass spectrometer instrument using the same Atsumu Hirabayashi, Minoru Sakairi, Yasuaki Takada, Hideaki Koizumi 2002-05-07