How many patents does
Kehnon Kabusiki Kajsja have?
patents
7,268
families
532
granted
2,023
applications
5,245
US
1,561
CN
1,131
EP
1,072
JP
723
KR
566
WO
167
GB
71
RoW
1,977
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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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Kehnon Kabusiki Kajsja
Top ten assignees appearing on patents
2009 - 2018
| canon | 5639 |
| kehnon kabusiki kajsja | 283 |
| kishino, kazuo | 12 |
| kishino, kengo | 8 |
| oji paper company | 2 |
| anon | 1 |
| ricoh company | 1 |
| mitsubishi heavy industries | 1 |
2009
| canon | 493 |
| kehnon kabusiki kajsja | 64 |
| kishino, kazuo | 1 |
2018
| canon | 220 |
| mitsubishi heavy industries | 1 |
Kehnon Kabusiki Kajsja
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| process cartridge, electrophotographic image forming apparatus, and electrophotographic … 🛈 | 133 | 2006 |
| developer supply container and developer supplying system | 116 | 2005 |
| video encoding and decoding with improved error resilience | 96 | 2011 |
| electrophotographic image forming apparatus, developing apparatus, and coupling member | 86 | 2007 |
| process cartridge and image forming apparatus | 85 | 2006 |
| developer supply container and developer supplying system | 81 | 2009 |
| developer supply container and developer supplying system | 78 | 2009 |
| process cartridge and image forming apparatus | 78 | 2006 |
| cartridge, and electrophotographic image forming apparatus which uses cartridge | 73 | 2008 |
| rotational force transmitting part | 73 | 2006 |