YN

Yasuo Nakai

HO Hosiden: 15 patents #21 of 328Top 7%
Dai Nippon Printing Co.: 4 patents #587 of 2,222Top 30%
HL Hitachi Shipbuilding & Engineering Company Limited: 3 patents #12 of 117Top 15%
HZ Hitachi Zosen: 2 patents #121 of 531Top 25%
PU President Of Nagoya University: 2 patents #2 of 28Top 8%
YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
Overall (All Time): #146,833 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4526121 Ship for treating coal slurry Yasunobu Shudo, Masayoshi Kano, Tatsuya Murahashi, Kazuyoshi Hosogaya 1985-07-02
4481898 Slurry carrying ship Tatsuya Murahashi, Kazuyoshi Hosogaya 1984-11-13