| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Republic of Korea | 4 | |
| #3 | China | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | Taiwan | 2 | |
| #6 | Australia | 1 | |
| #7 | Canada | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Surface technology and coating | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Coating metallic material | |
| #2 | Metal tempering | |
| #3 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yashiro Kuniji | 7 |
| #2 | Yamamura Tetsuya | 7 |
| #3 | Sawano Yutaka | 7 |
| #4 | Eiraku Hiroshi | 7 |
| #5 | Tenmaya Motohiro | 6 |
| #6 | Miyashita Makoto | 4 |
| #7 | Kawamura Takashi | 4 |
| #8 | Abe Hisashi | 4 |
| #9 | Hoshino Kaoru | 4 |
| #10 | Totsuka Toshiko | 4 |
| Publication | Filing date | Title |
|---|---|---|
| KR20070095390A | High-concentration carburized/low-strain quenched member and process for producing the same | |
| CN1910303A | Method for activating surface of metal member | |
| TW557330B | Improved salt bath nitrogenating method for corrosion-resistant iron material and iron units |