Hiroshi Kamakura
21Patents
10h-index
35Co-inventors
75Inventor score
Filing activity: Jan 17, 1975 → Feb 16, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6172657A | Body mount-type information display apparatus and display method using the same | Physics | 207 | Expired |
| US7251675B1 | Meeting system and information storage medium | Electricity | 184 | Expired |
| US5977935A | Head-mounted image display device and data processing apparatus including the same | Electricity | 145 | Expired |
| US4850685A | Projection-type color display device | Electricity | 91 | Expired |
| US5739797A | Head-mounted virtual image display device having switching means enabling user to select eye to view image | Physics | 63 | Expired |
| US6320559A | Head-mounted image display device and data processing apparatus including the same | Electricity | 51 | Expired |
| US6607277B2 | Projector display comprising light source units | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6805448B2 | Projector display comprising light source units | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6839061B1 | Image display system and information storage medium | Emerging Cross-Sectional Technologies | 17 | Expired |
| US3988652A | Stabilized brushless motor drive circuit | Electricity | 12 | Expired |
| US4075623A | Reference voltage circuit | Electricity | 7 | Expired |
| US5953158A | Water droplet removing system for vehicle | Performing Operations; Transporting | 6 | Expired |
| US3952219A | Compact motor | Electricity | 5 | Expired |
| US6012817A | Waterdrop removing apparatus for vehicle | Performing Operations; Transporting | 4 | Expired |
| US10957193B2 | Driving assistance system for vehicle | Physics | 0 | Active |
| US11837088B2 | Driving assistance apparatus | Physics | 0 | Active |
| US11862018B2 | Driving assistance apparatus | Performing Operations; Transporting | 0 | Active |
| US12280779B2 | Driving assistance apparatus | Performing Operations; Transporting | 0 | Active |
| US12307893B2 | Driving assistance apparatus | Physics | 0 | Active |
| US10957197B2 | Vehicle driving assistance system | Physics | 0 | Active |
| US12170022B2 | Driving assistance apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.