KR

Koichi Rokuyama

TL Tokyo Electron Limited: 4 patents #1,723 of 5,567Top 35%
NC Nagano Japan Radio Co.: 2 patents #9 of 49Top 20%
Overall (All Time): #1,250,901 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7355379 Coaxial type impedance matching device and impedance detecting method for plasma generation Toshiaki Kitamura, Shigeru Kasai, Takashi Ogino, Yuki Osada 2008-04-08
7176634 Coaxial type impedance matching device and impedance detecting method for plasma generation Toshiaki Kitamura, Shigeru Kasai, Takashi Ogino, Yuki Osada 2007-02-13
6856211 Coaxial type impedance matching device Fumio Yamada, Toshiaki Kitamura, Hiroyuki Kobayashi, Akihiro Kubota, Shigeru Kasai +2 more 2005-02-15
6819052 Coaxial type impedance matching device and impedance detecting method for plasma generation Toshiaki Kitamura, Shigeru Kasai, Takashi Ogino, Yuki Osada 2004-11-16