| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | China | 2 | |
| #4 | Taiwan | 2 | |
| #5 | Australia | 1 | |
| #6 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Semiconductors | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Semiconductor devices | |
| #3 | Unspecified technologies | |
| #4 | Electric machines not otherwise provided for | |
| #5 | Measuring volume |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ogawa Kenji | 16 |
| #2 | Kenji Ogawa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2008024040A1 | Piezoelectric drive device and liquid discharging device | |
| WO2006078018A1 | Liquid discharging device | |
| WO2005111422A1 | Diaphragm pump and manufacturing apparatus of electronic component | |
| WO2004090331A1 | Liquid jetting device | |
| US6467655B1 | Pump dispenser |