How many patents does
Yoshino Gypsum Company have?
patents
683
families
80
granted
176
applications
507
JP
128
EP
80
US
68
CN
63
KR
43
WO
37
RoW
264
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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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Yoshino Gypsum Company
Top ten assignees appearing on patents
2009
| yoshino gypsum company | 27 |
| otsuka kagaku | 1 |
| hoya corporation | 1 |
| sc cement company | 1 |
| tic | 1 |
| josino dzhipsum ko. | 1 |
2018
| yoshino gypsum company | 58 |
| ishii saburo | 1 |
Yoshino Gypsum Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| process for continuous modification of dihydrate gypsum and modified dihydrate gypsum ob… 🛈 | 41 | 2008 |
| gypsum composition, gypsum slurry, gypsum hardened body, gypsum-based construction mater… 🛈 | 34 | 2012 |
| method for detecting voids in gypsum-based construction board and method for producing g… 🛈 | 22 | 2012 |
| gypsum board manufacturing method and manufacturing device | 22 | 2013 |
| gypsum slurry, hardened gypsum body, gypsum-based building material, gypsum board, proce… 🛈 | 20 | 2013 |
| scoring device for gypsum board production device | 19 | 2006 |
| debris processing composition and debris processing method | 19 | 2013 |
| mixing and stirring device, mixing and stirring method, and method for manufacturing lig… 🛈 | 18 | 2012 |
| gypsum dispersant | 17 | 2012 |
| coloring agent composition and method for producing same | 17 | 2013 |