EI

Eiki Izumi

HC Hitachi Construction Machinery Co.: 25 patents #35 of 1,234Top 3%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TK Terumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%
📍 Taito, JP: #10 of 149 inventorsTop 7%
Overall (All Time): #139,201 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4451893 Control method and control system for hydrostatic drive system Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma, Kichio Nakajima 1984-05-29
4395199 Control method of a system of internal combustion engine and hydraulic pump Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma, Kichio Nakajima 1983-07-26
4369625 Drive system for construction machinery and method of controlling hydraulic circuit means thereof Kazuo Honma, Katsuro Abe, Masaaki Uno, Kichio Nakajima 1983-01-25