SN

Shigetaka Nakamura

HC Hitachi Construction Machinery Co.: 2 patents #3 of 51Top 6%
📍 Tsuchiura, JP: #7 of 54 inventorsTop 15%
Overall (1994): #19,911 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5307631 Hydraulic control apparatus for hydraulic construction machine Akira Tatsumi, Seiji Tamura, Mitsuo Kihara, Kazuhiro Ichimura, Hiroshi Onoue 1994-05-03
5285642 Load sensing control system for hydraulic machine Hiroshi Watanabe, Yasuo Tanaka, Eiki Izumi, Hiroshi Onoue 1994-02-15