How many patents does
Tokai Carbon Company have?
patents
420
families
122
granted
136
applications
284
JP
115
EP
88
US
62
CN
58
KR
26
WO
18
RoW
53
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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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Tokai Carbon Company
Top ten assignees appearing on patents
Tokai Carbon Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| sic molded body and method for producing sic molded body | 15 | 2012 |
| method for producing aqueous dispersion of surface-treated carbon black particles and aq… 🛈 | 14 | 2011 |
| aqueous dispersion of surface-treated carbon black and method of producing the same | 14 | 2007 |
| process for producing dispersion of surface-treated carbon black powder and process for … 🛈 | 13 | 2009 |
| preparation method for aqueous polyurethane resin-pigment dispersion, aqueous polyuretha… 🛈 | 13 | 2009 |
| method for producing a fuel cell separator | 12 | 2009 |
| semiconductor substrate, method for producing semiconductor substrate, substrate for sem… 🛈 | 12 | 2009 |
| process for producing pigment dispersion composition | 12 | 2011 |
| process for manufacturing graphite powder for lithium secondary battery negative electro… 🛈 | 11 | 2012 |
| polyurethane resin adhesion pigment, pigment dispersion composition and inkjet ink compo… 🛈 | 10 | 2010 |