How many patents does
Hitachi Zosen Corporation have?
patents
2,531
families
928
granted
535
applications
1,996
JP
1,088
WO
310
CN
301
US
277
EP
225
KR
137
GB
3
RoW
190
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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 Zosen Corporation
Top ten assignees appearing on patents
Hitachi Zosen Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| electron beam emitter for sterilizing containers | 14 | 2006 |
| exhaust gas nox removal device for diesel engine | 14 | 2012 |
| floating flap gate | 14 | 2011 |
| floating flap gate | 12 | 2014 |
| treatment device equipped with catalyst-supporting honeycomb structure and process for p… 🛈 | 12 | 2012 |
| apparatus for cleaning filtration layer in seawater infiltration intake | 12 | 2011 |
| two-stroke engine and four-stroke engine | 11 | 2011 |
| on-site regeneration method for denitrification catalyst in exhaust gas purification sys… 🛈 | 11 | 2013 |
| processing apparatus equipped with catalyst-supporting honeycomb structure, and method f… 🛈 | 11 | 2012 |
| bit exchange method and bit exchange device for shield tunneling machine | 11 | 2012 |