| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Australia | 1 | |
| #6 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Electrical machinery and energy | |
| #3 | Materials and metallurgy | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Details of furnaces | |
| #3 | Electrolytic metal production | |
| #4 | Special electric heating or lighting | |
| #5 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arakawa Eigo | 8 |
| #2 | Nakamura Junichi | 8 |
| #3 | Koyama Yasuhiro | 4 |
| #4 | Okamoto Tatsuya | 4 |
| Publication | Filing date | Title |
|---|---|---|
| JP2017222914A | Cathode | |
| JP2016133277A | Heat treatment device | |
| JP2016132602A | Crucible, and production method of carbon material using the same |