Inventor
MISAWA RINTARO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MISAWA RINTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUNWA SHARYO MFG CO
9 patentsUS5197558AMar 30, 1993
Stair-climbing wheelchair carrier
SUNWA SHARYO MFG CO89 citations95
US4681330AJul 21, 1987
Hand truck
SUNWA SHARYO MFG CO65 citations95
US4566550AJan 28, 1986
Stair-climbing wheelchair carrier
SUNWA SHARYO MFG CO67 citations95
US4688813AAug 25, 1987
Carrier for rescuing patients
SUNWA SHARYO MFG CO70 citations94
US5676215AOct 14, 1997
Stair-climbing crawler transporter
SUNWA SHARYO MFG CO30 citations92
US4771839ASep 20, 1988
Stair-climbing wheelchair carrier
SUNWA SHARYO MFG CO36 citations92
US4432426AFeb 21, 1984
Stair climbing wheelchair carrier
SUNWA SHARYO MFG CO27 citations92
US4585241AApr 29, 1986
Carrier for rescuing patients
SUNWA SHARYO MFG CO26 citations90
US4062418ADec 13, 1977
Apparatus for supporting loads in a cart
SUNWA SHARYO MFG CO24 citations81