RM

Rintaro Misawa

SC Sunwa Sharyo Manufacturing Co.: 8 patents #1 of 3Top 35%
SU Sunwa: 3 patents #1 of 3Top 35%
Overall (All Time): #473,195 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6158536 Stair-climbing vehicle for wheelchair 2000-12-12
5996767 Wheelchair transporter for use on an escalator and an escalator control system for transporting the wheelchair transporter on the escalator 1999-12-07
5797606 Transporter for patient's emergency escape 1998-08-25
5676215 Stair-climbing crawler transporter 1997-10-14
5197558 Stair-climbing wheelchair carrier 1993-03-30
4771839 Stair-climbing wheelchair carrier 1988-09-20
4688813 Carrier for rescuing patients Kou Takahashi 1987-08-25
4681330 Hand truck 1987-07-21
4585241 Carrier for rescuing patients Kou Takahashi 1986-04-29
4566550 Stair-climbing wheelchair carrier 1986-01-28
4432426 Stair climbing wheelchair carrier 1984-02-21