Inventor
SUGIYAMA SIRO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA SIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KUBOTA KK
4 patentsUS6615942B2Sep 9, 2003
Swivel type working vehicle
KUBOTA KK47 citations90
US5904444AMay 18, 1999
Propelling apparatus for underground propelling construction work
KUBOTA KK35 citations89
US5433249AJul 18, 1995
Hydraulic pilot valve
KUBOTA KK14 citations71
US5878825AMar 9, 1999
Underground propelling method
KUBOTA KK15 citations70