YI

Yoshikazu Ishijima

OE Otis Elevator: 1 patents #39 of 115Top 35%
Overall (1994): #48,781 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5276292 Operation check device of dynamic brake circuit for elevator Michio Goto 1994-01-04