How many patents does
Central Japan Railway Company have?
patents
839
families
322
granted
238
applications
601
JP
362
US
152
EP
91
CN
68
WO
35
KR
23
GB
5
RoW
103
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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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Central Japan Railway Company
Top ten assignees appearing on patents
Central Japan Railway Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| coating liquid, titanium oxide thin-film formed using coating liquid, and method of form… 🛈 | 29 | 2006 |
| safety device of vehicle | 18 | 2004 |
| bogie frame for railroad vehicle | 18 | 2010 |
| photocatalyst thin film, method for forming photocatalyst thin film, and photocatalyst t… 🛈 | 15 | 2007 |
| wheel guard apparatus | 14 | 2007 |
| track status monitoring device | 13 | 2012 |
| open/close control system for inspection lid | 13 | 2007 |
| sensor state determination system | 13 | 2012 |
| compressed air supply apparatus | 13 | 2013 |
| traverse control unit of truck | 12 | 2009 |