YM

Yukio Murai

EB Ebara: 6 patents #362 of 1,611Top 25%
HC Hitachi Plant Engineering & Construction Co.: 3 patents #12 of 194Top 7%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Overall (All Time): #585,564 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7126294 Method and device for controlling photovoltaic inverter, and feed water device Masahiro Minami, Hiroaki Ichikawa, Masahito Kawai, Kaoru Nakajima 2006-10-24
6922348 Water supply Kaoru Nakajima, Kenichi Kajiwara, Masahito Kawai, Masahiko Kishi, Nobuhiro Higaki 2005-07-26
6627080 Flat membrane disk Makoto Oonishi, Naoki Ohkuma, Yutaka Okuno 2003-09-30
6596164 Rotary flat membrane separation apparatus Makoto Oonishi, Naoki Ohkuma, Yutaka Okuno 2003-07-22
6336746 Structure for supporting rotary shaft Masayuki Matsuura, Mitsuru Hatanaka, Takashi Fujimoto 2002-01-08
RE36610 Evacuation apparatus and evacuation method Katsuya Okumura, Fumio Kuriyama, Manabu Tsujimura, Hiroshi Sobukawa 2000-03-14
5667362 Pump system and method for operating the same Seiichi Toguchi 1997-09-16
5062271 Evacuation apparatus and evacuation method Katsuya Okumura, Fumio Kuriyama, Manabu Tsujimura, Hiroshi Sobukawa 1991-11-05
4926648 Turbomolecular pump and method of operating the same Katsuya Okumura, Fumio Kuriyama, Manabu Tsujimura, Hiroshi Sobukawa 1990-05-22