| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Japan | 5 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Optics | |
| #5 | Engines, pumps and turbines | |
| #6 | Control | |
| #7 | Mechanical elements | |
| #8 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Cutting | |
| #3 | Unspecified technologies | |
| #4 | Optical systems | |
| #5 | Internal-combustion piston engines | |
| #6 | Vehicle wheels | |
| #7 | Shafts | |
| #8 | Cyclically operating valves | |
| #9 | Ticket-issuing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kawaguchi Kouji | 15 |
| #2 | Ando Minoru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS59231132A | Method and apparatus for supplying fresh air or air-fuel mixture to internal-combustion engine | |
| JPS5692316A | Method of and apparatus for reducing inertial mass produced in valve | |
| JPS5440936A | Fuel feed control valve | |
| JPS5427616A | Turbine pump that use exhaust gas | |
| JPS5425317A | Chamber of generating beltlike exhaust flame for rotary |