| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | China | 1 | |
| #3 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Magnets and transformers | |
| #2 | Working metallic powder | |
| #3 | Unspecified technologies | |
| #4 | Coating metallic material | |
| #5 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takahashi Yasunori | 9 |
| #2 | Sato Hiroji | 2 |
| #3 | Sekine Shigenobu | 2 |
| #4 | Hiroji Sato | 1 |
| #5 | Shigenobu Sekine | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0784328A1 | Method of preparing raw material powder for permanent magnets superior in moldability |