TT

Tsutomu Tetsuka

HI Hitachi: 4 patents #260 of 3,950Top 7%
Overall (2002): #11,244 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6499424 Plasma processing apparatus and method Hideyuki Kazumi, Ryoji Nishio, Masatsugu Arai, Ken Yoshioka, Tsunehiko Tsubone +4 more 2002-12-31
6481370 Plasma processsing apparatus Hideyuki Kazumi, Ryoji Nishio, Masatsugu Arai, Ken Yoshioka, Tsunehiko Tsubone +4 more 2002-11-19
6427621 Plasma processing device and plasma processing method Masato Ikegawa, Ichiro Sasaki, Tatehito Usui, Hironobu Kawahara 2002-08-06
6388382 Plasma processing apparatus and method Akira Doi, Ken Yoshioka, Manabu Edamura, Hideyuki Kazumi, Saburou Kanai +3 more 2002-05-14