HK

Hiromi Kumagai

TL Tokyo Electron Limited: 2 patents #16 of 210Top 8%
KT Kabushiki Kaisha Toshiba: 1 patents #404 of 1,641Top 25%
Overall (1994): #31,957 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5376211 Magnetron plasma processing apparatus and processing method Hiromi Harada, Sinji Kubota, Junichi Arami, Keiji Horioka, Isahiro Hasegawa +3 more 1994-12-27
5332442 Surface processing apparatus Masao Kubodera, Masaki Narushima, Masahito Ozawa, Tomihiro Yonenaga, Sumi Tanaka 1994-07-26