ST

Shigeyoshi Tagata

IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
SC Sato Kogyo Co.: 1 patents #9 of 27Top 35%
TK Tokyo Keiki: 1 patents #60 of 166Top 40%
Overall (All Time): #3,876,749 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5017045 Method and apparatus for controlling attitude of shield excavator Yoshiharu Kiritani, Yutaka Onishi, Koichi Umeno 1991-05-21