How many patents does
Tohoku Ricoh Company have?
patents
238
families
181
granted
52
applications
186
JP
155
US
45
CN
21
EP
8
GB
3
WO
1
RoW
5
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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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Tohoku Ricoh Company
Top ten assignees appearing on patents
2009 - 2018
| tohoku ricoh company | 206 |
| ricoh company | 30 |
| tohoku riko | 7 |
| g r advanced materials | 2 |
| mishima paper company | 2 |
| tokoku ricoh company | 1 |
| tohoku ricoh cc. | 1 |
| tohoku riko kk tohoku riko | 1 |
2018
| ricoh company | 1 |
Tohoku Ricoh Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| image forming apparatus and image forming system | 8 | 2009 |
| high voltage inverter device | 6 | 2010 |
| high voltage inverter device and electrical leakage detector thereof | 5 | 2010 |
| high voltage inverter device | 5 | 2011 |
| optical deflector, optical scanner, and image forming apparatus | 5 | 2008 |
| stencil printing apparatus | 4 | 2008 |
| tintenstrahlaufzeichnungsverfahren und tintenstrahlaufzeichnungsvorrichtung | 4 | 2008 |
| stencil printing apparatus | 3 | 2007 |
| printing apparatus and printing method | 3 | 2007 |
| coating device and coating unit in a stencil printing apparatus | 3 | 2007 |