| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 13 | |
| #2 | China | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Optics | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Measurement | |
| #6 | Materials and metallurgy | |
| #7 | Textiles and paper |
| # | Name | Total Patents |
|---|---|---|
| #1 | Imai Osamu | 4 |
| #2 | Seike Shoji | 4 |
| #3 | Nozaki Masayuki | 3 |
| #4 | Ikeda Mitsuji | 2 |
| #5 | Mima Toshiyuki | 2 |
| #6 | Nakanishi Kazumi | 2 |
| #7 | Itoo Naohito | 1 |
| #8 | Uda Minoru | 1 |
| #9 | Itoo Hiromu | 1 |
| #10 | Moriya Tsutomu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR970007767B1 | Optical fiber containing insulators |