How many patents does
Hitachi Engineering & Services Company have?
patents
289
families
157
granted
64
applications
225
JP
156
US
44
EP
32
CN
24
WO
11
KR
6
RoW
16
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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
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Hitachi Engineering & Services Company
Top ten assignees appearing on patents
2018
Hitachi Engineering & Services Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method of manufacturing adhesive-free laminate of aramid paper and polyphenylene sulfide… 🛈 | 13 | 2008 |
| power storage device for electric power generation system and method for operating the p… 🛈 | 12 | 2009 |
| pantograph device of trolley truck | 11 | 2012 |
| trolley-type truck | 7 | 2012 |
| control apparatus for process input-output device | 7 | 2008 |
| wireless power supply apparatus | 7 | 2012 |
| eddy current testing apparatus and method | 6 | 2006 |
| ultrasonic testing apparatus for turbine forks and method thereof | 6 | 2006 |
| charging controller and charging control method | 6 | 2011 |
| target absorption fixture and system for ultrasonic inspection | 6 | 2012 |