How many patents does
Opnext Japan have?
patents
425
families
236
granted
146
applications
279
JP
212
US
150
EP
31
CN
17
RoW
15
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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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Opnext Japan
Top ten assignees appearing on patents
2009 - 2018
| opnext japan | 309 |
| oclaro japan | 46 |
| japan oclaro | 8 |
| hitachi | 2 |
| opnext japan inc. (jp) | 1 |
| nippon koshin company | 1 |
2009
| opnext japan | 80 |
| hitachi | 1 |
2018
Opnext Japan
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| wavelength tunable filter and wavelength tunable laser module | 7 | 2008 |
| differential transmission circuit, optical module, and information processing system | 7 | 2011 |
| differential transmission circuit and information processing system | 6 | 2011 |
| laser device and controlling method therefor | 6 | 2007 |
| optimized wire bonding of an integrated modulator and laser diode on a mount | 6 | 2006 |
| printed circuit board and optical transmission device | 5 | 2008 |
| optical receptacle, optical module, and method of manufacturing an optical module | 5 | 2007 |
| optical receiver | 5 | 2006 |
| demodulator and optical transceiver | 5 | 2010 |
| optical receiver and method of detecting loss of optical signal of the optical receiver | 5 | 2008 |