| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | China | 1 | |
| #4 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Unspecified technologies | |
| #3 | Dynamo-electric machines | |
| #4 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukami Tadashi | 9 |
| #2 | Kakizawa Goro | 6 |
| #3 | Onishi Koji | 6 |
| #4 | Nakatsugi Koichi | 5 |
| #5 | Fukami Sho | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1308622A2 | Diaphragm pump | |
| TW587127B | Diaphragm pump | |
| US6215208B1 | Miniature motor unit | |
| US4476409A | Coils of coreless motor and method of manufacturing the same |