How many patents does
Topcon Corporation have?
patents
4,025
families
1,214
granted
1,199
applications
2,826
JP
1,242
US
1,057
EP
793
CN
371
WO
231
KR
59
GB
19
RoW
253
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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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patents
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patent families
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the following tables are just extracts from the report
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Topcon Corporation
Top ten assignees appearing on patents
2009 - 2018
| topcon corporation | 3132 |
| toshiba corporation | 18 |
| hoya corporation | 17 |
| tokai kogaku | 11 |
| fujifilm | 11 |
| sokkia topcon company | 9 |
| tokyo electron | 7 |
| miyoshi oil & fat company | 5 |
| ebara corporation | 4 |
| horiba | 3 |
Topcon Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| ophthalmologic apparatus | 25 | 2013 |
| omnidirectional camera | 24 | 2011 |
| rotation angle detecting apparatus and surveying instrument | 19 | 2011 |
| method for designing eyeglass lens | 17 | 2008 |
| ophthalmologic apparatus | 17 | 2012 |
| optical image measurement device, image display device, and image display method | 14 | 2012 |
| geographic atrophy identification and measurement | 13 | 2014 |
| ophthalmologic observation device | 13 | 2012 |
| optical product and eyeglass plastic lens | 13 | 2009 |
| funduscopic device | 13 | 2012 |