ON

Osamu Nakai

SC Sumitomo Metal Mining Co.: 8 patents #1 of 99Top 2%
SS Sumitomo Wiring Systems: 1 patents #147 of 366Top 45%
Overall (2017): #8,648 of 506,227Top 2%
9
Patents 2017

Issued Patents 2017

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9751035 Operation method for dezincification plant Hiroyuki Mitsui, Satoshi Matsubara 2017-09-05
9752211 Neutralization method and neutralization plant Hiroyuki Mitsui, Satoshi Matsubara 2017-09-05
9751783 Method for a treatment for wastewater containing aluminum, magnesium, and manganese Hiroshi Kobayashi, Tatsuya Higaki, Hirofumi Shoji, Norihisa Toki, Keiji Kudo +1 more 2017-09-05
9731980 Processing device and processing method for hydrogen-sulphide-containing barren solution Takayuki Nakai, Satoshi Matsubara, Yoji Kyoda 2017-08-15
9732400 Autoclave apparatus used during high-pressure acid leaching process Satoshi Matsubara, Yoji Kyoda, Takashi Sakamoto, Haruo Ishikawa, Koichiro Maki 2017-08-15
9719153 Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process Keisuke Shibayama, Yoshitomo Ozaki 2017-08-01
9651200 Slurry-transporting facility and slurry transportation control method Satoshi Matsubara, Hiroyuki Mitsui, Kenji Tachi, Masayuki Oku 2017-05-16
9561972 Method for effluent treatment in smelting of nickel oxide ore Yasuo Yoshii, Keisuke Shibayama, Yoji Kyoda, Yoshitomo Ozaki, Hiroyuki Mitsui 2017-02-07
9550674 Plant for manufacturing hydrogen sulfide gas and method for exhausting hydrogen sulfide gas Satoshi Matsubara, Tomoyuki Hirose, Koichi Nakagawa 2017-01-24