Hideki Ichikawa
23Patents
8h-index
40Co-inventors
75Inventor score
Filing activity: Jan 31, 1995 → Jun 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5778512A | Manufacturing method for a rotor of an electric rotary machine | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6156340A | Orally administrable time release drug containing products | Human Necessities | 22 | Expired |
| US6519837B1 | Assembly/processing apparatus | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7217955B2 | Semiconductor laser device | Electricity | 12 | Expired |
| US6784464B2 | Semiconductor laser device and wire bonding method capable of easily performing reliable wire bonding | Electricity | 12 | Expired |
| US6804874B2 | Method of manufacturing yoke of rotary electric machine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5745977A | Method of manufacturing rotary electric machine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6026558A | Method for manufacturing armature of rotating electric machine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7020096B2 | Physical quantity display device for displaying physical quantity of multiple signals, method and recording medium | Electricity | 7 | Expired |
| US7379851B2 | CDMA signal waveform quality display system, method, and program, and storage medium storing the program | Electricity | 7 | Expired |
| US5521441A | Starter with band-shaped seal member | Electricity | 5 | Expired |
| US7168151B2 | Method of manufacturing yoke of rotary electric machine | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6562693B2 | Semiconductor laser device and wire bonding method capable of easily performing reliable wire bonding | Electricity | 5 | Expired |
| US7013243B2 | Multiplexed signal quality display, method, and program, and recorded medium where the program is recorded | Electricity | 3 | Expired |
| US5973434A | Armature for rotary electric machine having welded joint between upper and lower coil conductors | Electricity | 2 | Expired |
| US10888520B2 | Coated particle and method for producing coated particle | Human Necessities | 1 | Active |
| US6118191A | Method for bonding rotors of an electric rotating machine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7352713B2 | Multiplexed signal quality display system, method, and program, and storage medium storing the program | Electricity | 1 | Expired |
| US6652790B2 | Method of fabricating brushes | Electricity | 0 | Expired |
| US11340638B2 | Electronic component handling device and electronic component testing apparatus | Physics | 0 | Active |
| US7999706B2 | Characteristic acquisition device, method and program | Electricity | 0 | Active |
| US11372021B2 | Electronic component handling device and electronic component testing apparatus | Physics | 0 | Active |
| US12152166B2 | Wet coating agent for fine particles | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.