KN

Keiichiro Nakai

OE Otis Elevator: 9 patents #160 of 1,840Top 9%
Overall (All Time): #592,172 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5105109 Support structure for a linear motor drive type of elevator Manabu Suganuma 1992-04-14
5074384 Rope weight compensating device for a linear motor driven elevator Manabu Suganuma 1991-12-24
5052522 Encoder installing structure Manabu Suganuma 1991-10-01
5036955 Column vibration system for a linear motor driven elevator Manabu Suganuma 1991-08-06
5033588 Apparatus for maintaining an air gap in a toroidal linear motor Yoshinori Nakanishi 1991-07-23
5033587 Braking system for a linear motor driven elevator Manabu Suganuma 1991-07-23
5014826 Apparatus for maintaining an air gap in a toroidal type linear motor Yoshinori Nakanishi 1991-05-14
5009288 Sheave array arrangement for elevator Yoshinori Nakanishi 1991-04-23
5005672 Air gap apparatus for a linear motor Yoshinori Nakanishi 1991-04-09