MA

Masatsugu Arai

HI Hitachi: 2 patents #478 of 3,189Top 15%
HH Hitachi High-Technologies: 2 patents #16 of 157Top 15%
📍 Tsuchiura, JP: #2 of 47 inventorsTop 5%
Overall (2005): #20,373 of 245,428Top 9%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6897403 Plasma processing method and plasma processing apparatus Ryujiro Udo, Motohiko Yoshigai, Masanori Kadotani 2005-05-24
6846363 Plasma processing apparatus and method Hideyuki Kazumi, Tsutomu Tetsuka, Ryoji Nishio, Ken Yoshioka, Tsunehiko Tsubone +4 more 2005-01-25
6838833 Plasma processing apparatus Ryujiro Udo, Naoyuki Tamura, Masanori Kadotani, Motohiko Yoshigai 2005-01-04