Tsuyoshi Itakura
15Patents
8h-index
2Co-inventors
62Inventor score
Filing activity: Feb 4, 1977 → Jun 22, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7172246B1 | Seat cover | Human Necessities | 32 | Expired |
| US4301767A | Holding clamp for an aquarium heater | Human Necessities | 32 | Expired |
| US5052904A | Aquarium air pump | Human Necessities | 27 | Expired |
| USD612997S1 | Work glove | General | 15 | Expired |
| USD269633S | Check valve | General | 14 | Expired |
| US4886093A | Vent valve of an air pump | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4315143A | Aquarium heater | Electricity | 12 | Expired |
| US7419213B2 | Seat cover | Human Necessities | 9 | Active |
| US4180377A | Valve element for an air pump | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5554012A | Air controller for air pump | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8979195B2 | Seat cover and cover attaching tool | Performing Operations; Transporting | 6 | Active |
| US5977868A | Instrumentation for vehicle | Performing Operations; Transporting | 4 | Expired |
| US4137016A | Valve mechanism for an air pump | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4099544A | Vent valve of an air pump | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4255648A | Aquarium heater | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.