| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Indonesia | 2 | |
| #4 | Australia | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Audio-visual technology | |
| #5 | Organic fine chemistry | |
| #6 | Materials and metallurgy | |
| #7 | Chemical engineering | |
| #8 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okado Hideo | 7 |
| #2 | Wakatsuki Toshiya | 5 |
| #3 | Tsuzuki Naohide | 5 |
| #4 | Chaki Kazutoshi | 4 |
| #5 | Yamamura Masami | 4 |
| #6 | Hirano Hitomi | 4 |
| #7 | Inaba Kiyoshi | 3 |
| #8 | Miyairi Makoto | 3 |
| #9 | Fuziwara Jun | 2 |
| #10 | Niitsuma Hiroaki | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5049736A | Apparatus for measurement of geological age by measuring zirconium color |