| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Republic of Korea | 4 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Surface technology and coating | |
| #3 | Civil engineering | |
| #4 | Measurement | |
| #5 | Audio-visual technology | |
| #6 | Semiconductors | |
| #7 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Coating metallic material | |
| #3 | Analysing materials | |
| #4 | Earth drilling | |
| #5 | Foundations and excavations | |
| #6 | Casings and printed circuits | |
| #7 | Magnets and transformers | |
| #8 | Ice-boxes | |
| #9 | Semiconductor devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Endo Tetsuya | 11 |
| #2 | Abarra Einstein Noel | 5 |
| #3 | Suzuki Yoshikazu | 4 |
| #4 | Hosoya Hiroyuki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2011155569A1 | Cooling system | |
| KR20030068498A | Excavating bit for geological pollution investigation and sample gathering pipe therefor | |
| KR20030068499A | Portable drill |