How many patents does
Hitachi Tool Engineering have?
patents
465
families
174
granted
130
applications
335
JP
229
EP
67
CN
50
US
42
WO
31
KR
24
RoW
22
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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 Tool Engineering
Top ten assignees appearing on patents
2009 - 2018
Hitachi Tool Engineering
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| end mill for cutting of high-hardness materials | 13 | 2011 |
| multi-flute endmill | 12 | 2011 |
| member covered with hard coating film and process for the production of the member | 12 | 2007 |
| hard film coating tool and method for manufacturing said tool | 12 | 2012 |
| ball end mill and insert | 12 | 2012 |
| negative-type cutting insert, blade-interchangeable rotary cutting tool using same cutti… 🛈 | 12 | 2011 |
| multi-blade ball end mill | 11 | 2013 |
| small-diameter deep hole drill and fine deep hole processing method | 11 | 2007 |
| multi-flute endmill | 11 | 2012 |
| surface-modified wc-based cemented carbide member, hard film-coated wc-based cemented ca… 🛈 | 11 | 2011 |