Yoshihisa Harada
11Patents
3h-index
19Co-inventors
53Inventor score
Filing activity: Apr 25, 1994 → Feb 12, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6507398B1 | Czerny-turner spectroscope | Physics | 9 | Expired |
| US9192514B2 | Medical instrument | Human Necessities | 4 | Active |
| US5467849A | Brake band | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7540023B2 | Information processing apparatus and authentication program storage medium | Physics | 3 | Active |
| US6401878B1 | Brake band | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6891615B2 | Conical diffraction grazing incidence spectrometer and diffraction grating for use in the spectrometer | Physics | 1 | Expired |
| US6197371A | Brake band having an improved initial friction coefficient | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6844973B1 | Plane diffraction grating based on surface normal rotation and its application to an optical system | Physics | 0 | Expired |
| US6068092A | Brake band | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US7546238B2 | Digital circuit transmission device | Electricity | 0 | Expired |
| US7398555B2 | Electronic apparatus and medium | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.