Hidekazu Hattori
16Patents
7h-index
23Co-inventors
66Inventor score
Filing activity: Jan 19, 1990 → Jan 23, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6075626A | Hologram | Physics | 135 | Expired |
| US6317227A | Hologram | Physics | 99 | Expired |
| US6288803A | Hologram display | Physics | 37 | Expired |
| US6141123A | Hologram and process for producing hologram | Physics | 15 | Expired |
| US7439655B2 | Laminated-type piezoelectric element | Mechanical Engineering; Lighting; Heating | 14 | Active |
| US6111670A | Hologram device and method for producing the same | Physics | 12 | Expired |
| US5054014A | Optical disk recording/reproducing apparatus and rotary drive therefor | Physics | 7 | Expired |
| US6787975B2 | Piezoelectric device for injector | Electricity | 6 | Expired |
| US6873089B2 | Piezoelectric device for injector | Electricity | 4 | Expired |
| US6483611B1 | Hologram and process for producing hologram | Physics | 3 | Expired |
| US7339310B2 | Laminated piezoelectric element | Electricity | 3 | Expired |
| US7468112B2 | Method of producing a ceramic laminate | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7067960B2 | Piezoelectric device for injector | Electricity | 3 | Expired |
| US7326309B2 | Method of producing ceramic laminate body | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6330087A | Hologram device and method for producing the same | Physics | 0 | Expired |
| US10862154B2 | Fuel cell stack | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.