| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Republic of Korea | 3 | |
| #3 | Singapore | 3 | |
| #4 | Taiwan | 2 | |
| #5 | United States | 2 | |
| #6 | Philippines | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Measurement | |
| #3 | Semiconductors |
| # | Technology | |
|---|---|---|
| #1 | Building materials | |
| #2 | Measuring electric variables | |
| #3 | Semiconductor devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eto Shunichi | 14 |
| #2 | Yamagishi Wataru | 9 |
| #3 | Mori Kazumasa | 9 |
| #4 | Fukuo Osanobu | 5 |
| #5 | Saitou Kiyotaka | 5 |
| Publication | Filing date | Title |
|---|---|---|
| SG11202003738VA | Ceramic, probe guiding member, probe card, and socket for package inspection | |
| KR20200072524A | Sockets for inspecting ceramics, probe guiding parts, probe cards and packages | |
| US2020239368A1 | Alumina sintered body, method for manufacturing the same, and part for semiconductor manufacturing apparatus |