How many patents does
Nippon Steel & Sumikin Stainless Steel Corporation have?
patents
1,325
families
271
granted
383
applications
942
JP
371
CN
183
EP
176
KR
150
US
140
WO
122
RoW
183
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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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Nippon Steel & Sumikin Stainless Steel Corporation
Top ten assignees appearing on patents
2009 - 2018
Nippon Steel & Sumikin Stainless Steel Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| low-alloy duplex stainless steel wherein weld heat-affected zones have good corrosion re… 🛈 | 22 | 2008 |
| ferritic stainless-steel sheet with excellent non-ridging property and process for produ… 🛈 | 19 | 2011 |
| high-purity ferritic stainless steel sheet with excellent corrosion resistance and anti-… 🛈 | 17 | 2011 |
| ferrite stainless steel exhibiting excellent corrosion resistance and strength in weld z… 🛈 | 16 | 2011 |
| clear-coated stainless steel sheet with excellent pressure mark resistance and scratch r… 🛈 | 16 | 2010 |
| heat-resistant austenitic stainless steel sheet | 15 | 2013 |
| duplex stainless steel, duplex stainless steel slab, and duplex stainless steel material | 15 | 2011 |
| ferrite stainless steel with low black spot generation | 14 | 2009 |
| high-purity ferritic stainless steel excellent in corrosion resistance and workability a… 🛈 | 14 | 2008 |
| ferritic stainless steel sheet superior in surface glossiness and corrosion resistance a… 🛈 | 14 | 2010 |