| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | Republic of Korea | 3 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Engines, pumps and turbines | |
| #3 | Computer technology | |
| #4 | Machine tools | |
| #5 | Machines | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Rotary pistons | |
| #3 | Fluid-circuit elements for computing | |
| #4 | Gearing | |
| #5 | Metal-working | |
| #6 | Rotary-pistons | |
| #7 | Unspecified technologies | |
| #8 | Weighing | |
| #9 | Hybrid computing arrangements | |
| #10 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamamoto Hiroshi | 5 |
| #2 | Kawakami Tatsuo | 3 |
| #3 | Okuda Kuniteru | 2 |
| #4 | Sekine Toshiaki | 2 |
| #5 | Mogami Shotaro | 1 |
| #6 | Koji Hotta | 1 |
| #7 | Kanayama Masahiro | 1 |
| #8 | Atsumi Koji | 1 |
| #9 | Hotta Koji | 1 |
| #10 | Hotta Koju | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1140772A | Flow meter | |
| US3327637A | Transmission gear arrangement for a rotary machine operable as pump or fluid motor |