MH

Masao Hosokawa

HC Hitachi Industrial Equipment Systems Co.: 6 patents #76 of 550Top 15%
NS NS Sumikin Stainless: 3 patents #21 of 78Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #652,156 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8432244 Power distribution transformer and tank therefor Mitsuaki Kawashima, Kazuyuki Fukui, Kouji Yamashita, Izumi Muto, Eiichiro Ishimaru +1 more 2013-04-30
8198973 Transformer Kazuyuki Fukui, Katsutoshi Inagaki 2012-06-12
8143985 Power distribution transformer and tank therefor Mitsuaki Kawashima, Kazuyuki Fukui, Kouji Yamashita, Izumi Muto, Eiichiro Ishimaru +1 more 2012-03-27
7843298 Power distribution transformer and tank therefor Mitsuaki Kawashima, Kazuyuki Fukui, Kouji Yamashita, Izumi Muto, Eiichiro Ishimaru +1 more 2010-11-30
7471183 Transformer Kouji Yamashita, Youji Matsuda, Kazuo Nishiyama, Kazuyuki Fukui, Hidemasa Yamaguchi +3 more 2008-12-30
7292127 Transformer Kouji Yamashita, Youji Matsuda, Kazuo Nishiyama, Kazuyuki Fukui, Hidemasu Yamaguchi +3 more 2007-11-06
4562322 SF.sub.6 Gas arc extinguishing electric apparatus and process for producing the same Motoo Yamaguchi, Isamu Sone, Kunio Hirasawa, Yoshio Yoshioka, Akio Nishikawa +2 more 1985-12-31
4549132 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current Tokio Yamagiwa, Toshio Ishikawa, Jun Ozawa, Kaoru Endo 1985-10-22