How many patents does
Hitachi Elevator have?
patents
458
families
334
granted
127
applications
331
CN
458
Buy the report
The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
Hitachi Elevator
Top ten assignees appearing on patents
Hitachi Elevator
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| elevator charging device and charging method thereof | 2 | 2010 |
| elevator door lock electric switch pre-diagnosis system and method | 2 | 2014 |
| mechanical brake release device of machine-room-less lift brake | 2 | 2013 |
| overheat protection method and device for power device of elevator frequency converter | 2 | 2014 |
| elevator intelligent brake control method and device | 2 | 2013 |
| unloading device for guide rail of high speed elevator | 2 | 2012 |
| device and method for reducing gap between hoistway door sill and lift car door sill | 2 | 2010 |
| elevator safety stop trigger device | 2 | 2010 |
| double-driving-wheel type landing door lock | 2 | 2014 |
| anti-clamping device for skirt plate of escalator | 2 | 2010 |