How many patents does
Kitz Corporation have?
patents
440
families
175
granted
104
applications
336
JP
232
US
49
CN
42
EP
35
WO
27
KR
14
GB
7
RoW
34
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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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the following tables are just extracts from the report
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Kitz Corporation
Top ten assignees appearing on patents
2009 - 2018
2018
| kitz corporation | 15 |
| kitz metal works | 1 |
Kitz Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| brass alloy exhibiting excellent recyclability and corrosion resistance | 20 | 2012 |
| lead-free brass alloy with excellent resistance to stress corrosion cracking | 14 | 2006 |
| nutriculture system, and water treatment apparatus for sterilization and purification pu… 🛈 | 13 | 2009 |
| trunnion ball valve for high pressure, and hydrogen station | 13 | 2012 |
| shaft sealing device, and valve structure using the device | 11 | 2007 |
| circulating fish culture method and circulating fish culture device | 10 | 2014 |
| trunnion-type ball valve | 9 | 2014 |
| polymer actuator, and valve and shaft sealing structure using same | 9 | 2008 |
| shaft seal packing and shaft seal structure for valve | 9 | 2006 |
| high-pressure trunnion ball valve and hydrogen station using same | 9 | 2013 |