| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | United States | 3 | |
| #3 | Canada | 2 | |
| #4 | Republic of Korea | 2 | |
| #5 | Taiwan | 2 | |
| #6 | China | 1 | |
| #7 | Germany | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | France | 1 | |
| #10 | Indonesia | 1 | |
| #11 | New Zealand | 1 | |
| #12 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Electrical machinery and energy | |
| #3 | Chemical engineering | |
| #4 | Environmental technology | |
| #5 | Thermal processes | |
| #6 | Medical technology | |
| #7 | Surface technology and coating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kiyokawa Shin | 16 |
| #2 | Yanagisawa Masaru | 6 |
| #3 | Namiki Hideo | 6 |
| #4 | Kiyokawa Taro | 2 |
| #5 | Sakaguchi Shokichi | 2 |
| #6 | Takeuchi Toru | 2 |
| #7 | Shimoda Kenji | 1 |
| #8 | Tairo Kiyokawa | 1 |
| #9 | Shin Kiyokawa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2009054081A1 | Heat-storage perspiration device | |
| WO2008053853A1 | Heat storage panel body, composite panel body, and cold insulating vehicle and container using the same | |
| WO2008029526A1 | Heat storage structure | |
| NZ280315A | Drying chamber with temperature controlled far infrared radiation heater and separate air supply and exhaust fans with chamber at reduced pressure | |
| US4074222A | Planar heating element | |
| US4055526A | Planar heating element and production thereof |