| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | Germany | 3 | |
| #4 | Japan | 3 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Netherlands | 2 | |
| #8 | Australia | 1 | |
| #9 | Switzerland | 1 | |
| #10 | Denmark | 1 | |
| #11 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Pharmaceuticals | |
| #2 | Materials and metallurgy | |
| #3 | Textiles and paper | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Alloys | |
| #2 | Medical preparations | |
| #3 | Unspecified technologies | |
| #4 | Manufacturing artificial filaments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okuno Osamu | 16 |
| #2 | Kumei Yasuhiro | 16 |
| #3 | Miura Ishi | 14 |
| #4 | Sato Atsushige | 14 |
| #5 | Yoshida Bunsaku | 11 |
| #6 | Nakano Tsuyoshi | 9 |
| #7 | Yamamura Yoshinobu | 4 |
| #8 | Satou Atsushige | 2 |
| #9 | Nakano Takeshi | 2 |
| #10 | Miura I | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS62228441A | Selenium-containing alloy for dental amalgam | |
| US4702765A | Method of making selenium-containing amalgam alloys for dental restoration | |
| JPS58171540A | Alloy for dental amalgam containing selenium and its production | |
| JPS57155337A | Hardenable dental composition |