HITACHI MITO ENGINEERING CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B66B ELEVATORS; ESCALATORS OR MOVING WALKWAYS 424
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 1101

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8964414 DC power supply including resonant circuit for reducing switching lossesMay 25, 12Feb 24, 15[H02M]
7740111 Elevator group supervisory control system with route preparation sectionJul 22, 09Jun 22, 10[B66B]
7730999 Elevator group supervisory control system using target route preparationAug 05, 08Jun 08, 10[B66B]
6557306 Elevator apparatus for use in a building having a seismic isolation building portion and a non-seismic isolation building portionAug 28, 00May 06, 03[B66B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7562746 Method, system, and display for elevator allocation using multi-dimensional coordinatesExpiredFeb 17, 06Jul 21, 09[B66B]
7426982 Elevator group supervisory control systemExpiredAug 25, 05Sep 23, 08[B66B]
2004/0216,636 Hybrid transport vehicleAbandonedMar 02, 04Nov 04, 04[B61C]
5638266 Free wheel diode arrangement for neutral point clamped electric power conversion apparatusExpiredMar 10, 95Jun 10, 97[H02M]
5526919 Escalator apparatus and method of operationExpiredJun 02, 95Jun 18, 96[B66B]

Top Inventors for This Owner

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