How many patents does
Kumagai Gumi Company have?
patents
485
families
374
granted
105
applications
380
JP
476
US
5
CN
2
RoW
2
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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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Kumagai Gumi Company
Top ten assignees appearing on patents
2018
Kumagai Gumi Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method and apparatus for estimating sound source | 5 | 2009 |
| sensor with aging function | 3 | 2011 |
| reinforced sensor with optical fiber woven into fabric | 3 | 2009 |
| sensor and bonding agent for same | 3 | 2011 |
| method of installing roll-like water stop to upper part of concrete placing scheduled pa… 🛈 | 2 | 2011 |
| method for predicting heavy floor impact sound level of building with dry type double fl… 🛈 | 2 | 2011 |
| floor slab | 2 | 2011 |
| cement-based composition | 2 | 2011 |
| reinforcement method of existing segment | 2 | 2011 |
| discharge crushing method | 2 | 2011 |