Hideaki Hayashi
66Patents
6h-index
113Co-inventors
75Inventor score
Filing activity: Oct 13, 1976 → Jan 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8849558B2 | Collision position predicting device | Physics | 188 | Active |
| US4831615A | Dual differential optical system moving apparatus | Physics | 12 | Expired |
| US4074873A | Tension servo apparatus | Physics | 11 | Expired |
| US6405148B1 | Automatic semiconductor device classification system, method for classifying semiconductor device and recording medium having program for the system | Physics | 11 | Expired |
| US4110670A | Braking apparatus | Electricity | 9 | Expired |
| US5401965A | Secondary ion mass spectrometer for analyzing positive and negative ions | Electricity | 9 | Expired |
| US8309974B2 | Light emitting diode package | Electricity | 6 | Active |
| US5243189A | Ion neutralizer | Physics | 5 | Expired |
| US5994439A | Vinyl chloride resin composition for powder molding | Chemistry; Metallurgy | 5 | Expired |
| US5457457A | Digital to analog conversion device which decreases low level high frequency noise | Electricity | 4 | Expired |
| US4654108A | Unit tile pack manufacturing apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6819860B2 | Optical amplifying glass and optical waveguide | Emerging Cross-Sectional Technologies | 4 | Expired |
| USD566754S1 | Toner cartridge | General | 4 | Expired |
| US4101133A | Pickup tone arm | Physics | 4 | Expired |
| US4261023A | Magnetic recording reproducing apparatus | Physics | 4 | Expired |
| US4193099A | Device for reproducing the recorded content of a magnetic card | Physics | 3 | Expired |
| US9908481B2 | Vehicle forward information acquiring device | Performing Operations; Transporting | 3 | Active |
| US8385802B2 | Fixing device and image forming apparatus | Physics | 3 | Active |
| US7585800B2 | Silica glass and optical material | Chemistry; Metallurgy | 3 | Active |
| US5240381A | Exhaust apparatus and vacuum pumping unit including the exhaust apparatus | Electricity | 3 | Expired |
| US9424750B2 | Vehicle control system, specific object determination device, specific object determination method, and non-transitory storage medium storing specific object determination program | Physics | 3 | Active |
| US7827287B2 | Interim execution context identifier | Electricity | 2 | Active |
| US10502644B2 | Force-sense presenting apparatus | Electricity | 2 | Active |
| US8265538B2 | Fixing device and image formation apparatus | Physics | 2 | Active |
| US5847339A | Handle portions of multipole breakers | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.