Hideaki Ishikawa
19Patents
8h-index
27Co-inventors
72Inventor score
Filing activity: Feb 24, 1988 → Jan 2, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5525054A | Burner device and a method of making the same | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5590407A | Drive through wireless order taking system | Electricity | 20 | Expired |
| US5047944A | Vehicle control apparatus including abnormality detection | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US8675364B2 | Power module and power conversion device | Emerging Cross-Sectional Technologies | 12 | Active |
| US9000553B2 | Power module and power converter containing power module | Electricity | 9 | Active |
| US5225692A | Non-linear quantum semiconductor optical device having a signal-to-noise ratio | Electricity | 9 | Expired |
| US5417566A | Method of preventing burning resonance noise and a burner plate | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5284783A | Method of fabricating a heterojunction bipolar transistor | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8653652B2 | Semiconductor device, power semiconductor module and power conversion device equipped with power semiconductor module | Electricity | 8 | Active |
| US4869224A | In-engine deposit detection apparatus for engine control system | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5160993A | High speed optosemiconductor device having multiple quantum wells | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5661905A | Method of making a burner device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5836156A | Driving device of sensors and actuators | Physics | 5 | Expired |
| US4953513A | Engine control apparatus | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4836169A | Engine control apparatus | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9184439B2 | Negative-electrode active material for non-aqueous-system secondary battery and production process for the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US8901345B2 | Process for preparation of optically active diamine derivative salt | Emerging Cross-Sectional Technologies | 1 | Active |
| US8859600B2 | Acetone solvate crystals of trityl olmesartan medoxomil | Chemistry; Metallurgy | 0 | Active |
| US5941916A | Driving apparatus with a function for detecting an electric current and method for detecting its electric current | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.