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Naobumi Nakata

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Hitachinaka, JP: #1,699 of 2,447 inventorsTop 70%
Overall (All Time): #3,869,092 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4989694 Elevator group supervisory system Takaaki Ueshima, Kenji Yoneda, Toshimitsu Tobita, Soshiro Kuzunuki, Yuzo Morita +3 more 1991-02-05