Keiko Ozawa

OE Otis Elevator: 1 patents #34 of 133Top 30%

Overall (2002): #175,136 of 266,432Top 70%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6374952	Elevator door apparatus	Hideki Itoh	2002-04-23