| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machine tools | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Heat-exchange device details | |
| #2 | Refrigerators | |
| #3 | Punching metal | |
| #4 | Air-conditioning | |
| #5 | Heat-exchanger without contact | |
| #6 | Climate change mitigation in buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Sangmu | 12 |
| #2 | Ishibashi Akira | 6 |
| #3 | Matsuda Takuya | 6 |
| #4 | Ishikawa Mitsuhiro | 2 |
| #5 | Takagi Masahiko | 1 |
| #6 | Okazaki Takashi | 1 |
| #7 | Onoda Toru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2013340986A1 | Heat exchanger tube with collared fins for enhanced heat transfer |