ST

Sadahisa Tomita

HC Hitachi Construction Machinery Co.: 6 patents #208 of 1,234Top 20%
📍 Ibaraki, JP: #1,651 of 6,779 inventorsTop 25%
Overall (All Time): #878,970 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6766600 Display device and display controller of construction machinery Hiroshi Ogura, Hiroshi Watanabe, Kazuo Fujishima 2004-07-27
6564480 Working apparatus for construction machine Genroku Sugiyama, Masakazu Haga, Ryohei Suzuki, Toshio Hasegawa, Koji Tahara 2003-05-20
6532409 Target excavation surface setting device for excavation machine, recording medium therefor and display unit Kazuo Fujishima, Hiroshi Watanabe, Hiroshi Ogura 2003-03-11
6430490 Hydraulic circuit control device of construction machinery Hiroshi Watanabe, Shuji Ohira, Kazuo Fujishima, Hiroshi Ogura, Masakazu Haga 2002-08-06
5643080 Air outlet member Yoshiyuki Kondoh, Tsuyoshi Sakyo, Yoshimi Iwase, Kazunori Komatsu, Kazuhisa Tamura 1997-07-01
4914952 Ultrasonic method for measurement of size of any flaw within solid mass Takeshi Miyajima, Yukio Ogura 1990-04-10