RU

Ryujiro Udo

HH Hitachi High-Technologies: 4 patents #621 of 1,917Top 35%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HT Hitachi Plant Technologies: 2 patents #55 of 279Top 20%
Overall (All Time): #743,539 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8426766 Welding method and welding apparatus for an impeller Takeshi Tsukamoto, Yoshihisa Maeda, Hiromi Kobayashi, Hideto Nogiwa, Tetsuya Kuwano +1 more 2013-04-23
8408873 Welding slot sealing structure and welding method Masaaki Iwasa, Takeshi Tsukamoto, Hideto Nogiwa, Tetsuya Kuwano, Yoshihisa Maeda +1 more 2013-04-02
7303998 Plasma processing method Tooru Aramaki, Tsunehiko Tsubone, Motohiko Yoshigai, Takashi Fujii 2007-12-04
6897403 Plasma processing method and plasma processing apparatus Masatsugu Arai, Motohiko Yoshigai, Masanori Kadotani 2005-05-24
6838833 Plasma processing apparatus Masatsugu Arai, Naoyuki Tamura, Masanori Kadotani, Motohiko Yoshigai 2005-01-04
6812725 Semiconductor processing apparatus and wafer sensor module Masatsugu Arai, Manabu Edamura 2004-11-02
6664738 Plasma processing apparatus Masatsugu Arai, Naoyuki Tamura, Masanori Kadotani, Motohiko Yoshigai 2003-12-16