MW

Masatoshi Watanabe

HI Hitachi: 2 patents #87 of 1,214Top 8%
Overall (1982): #10,127 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4334159 Slip ring cooling devices for electrical rotary machines Norihiro Ooki, Shoji Motegi 1982-06-08
4316113 Electric rotary machine Masaki Sato, Hironori Okuda, Motoya Ito, Yuji Makino, Yasuyuki Wachi +1 more 1982-02-16