Hiroaki Hashimoto
47Patents
7h-index
64Co-inventors
72Inventor score
Filing activity: Dec 10, 1993 → Dec 23, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5709106A | Condenser structure with liquid tank | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| USD361170S | Aquarium tank | General | 22 | Expired |
| USD357556S | Aquarium tank | General | 21 | Expired |
| US6160745A | Semiconductor storage device | Physics | 15 | Expired |
| US5936910A | Semiconductor memory device having burn-in test function | Physics | 12 | Expired |
| US7009130B2 | Switching device | Electricity | 10 | Expired |
| USD356404S | Aquarium tank | General | 8 | Expired |
| US10074935B2 | Floating connector | Electricity | 6 | Active |
| US7339132B2 | Method of current interruption using puffer type gas circuit breaker with combined-action of cylinder and piston | Electricity | 5 | Expired |
| US7528336B2 | Gas circuit-breaker | Electricity | 5 | Active |
| US7880105B2 | Circuit breaker | Electricity | 5 | Active |
| US7222962B2 | Opthalmic measuring apparatus | Human Necessities | 4 | Expired |
| US6446227B1 | Semiconductor memory device | Physics | 4 | Expired |
| US6654302B2 | Semiconductor memory device with a self refresh mode | Physics | 4 | Expired |
| USD361646S | Aquarium tank | General | 3 | Expired |
| US10005373B2 | Battery control system and vehicle control system | Emerging Cross-Sectional Technologies | 2 | Active |
| US9520699B2 | Switchgear | Electricity | 2 | Active |
| US10263365B2 | Plug unit and receptacle unit | Electricity | 2 | Active |
| US9620315B2 | Gas circuit breaker | Electricity | 1 | Active |
| US9899172B2 | Circuit breaker and circuit breaker operating method | Electricity | 1 | Active |
| US10199188B2 | Gas circuit breaker | Electricity | 1 | Active |
| US10634724B2 | Capacity maintenance rate estimation apparatus or capacity maintenance rate estimation method | Emerging Cross-Sectional Technologies | 1 | Active |
| US9425589B2 | Gas-insulated switchgear | Electricity | 1 | Active |
| US10348035B1 | Receptacle unit | Electricity | 1 | Active |
| US9979112B2 | Press-type connector | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.