Hiroshi Nakao
53Patents
12h-index
81Co-inventors
87Inventor score
Filing activity: Apr 10, 1991 → Nov 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5481278A | Information processing apparatus | Physics | 110 | Expired |
| US6075066A | Material to be worn on the eyeball | Physics | 58 | Expired |
| US5796406A | Gesture-based input information processing apparatus | Physics | 58 | Expired |
| US6938220B1 | Information processing apparatus | Physics | 52 | Expired |
| US6509621B2 | Magnetic random access memory capable of writing information with reduced electric current | Electricity | 50 | Expired |
| US6054349A | Single-electron device including therein nanocrystals | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5220540A | Data processing apparatus with schedule creation, prioritization, display and control functions | Physics | 45 | Expired |
| US6351410B1 | Ferromagnetic tunnel junction random access memory, spin valve random access memory, single ferromagnetic layer random access memory, and memory cell array using the same | Electricity | 39 | Expired |
| US6197273A | Method for producing fine spherical particles of carbonate or hydroxide of nickel, cobalt or copper | Chemistry; Metallurgy | 37 | Expired |
| US5670800A | Semiconductor device and method for fabricating the same | Electricity | 30 | Expired |
| US8749210B1 | Power supply device | Emerging Cross-Sectional Technologies | 16 | Active |
| US5921687A | Printing apparatus | Performing Operations; Transporting | 12 | Expired |
| US5351069A | Sublimation type thermal transfer printer and ink sheet used with the same | Performing Operations; Transporting | 11 | Expired |
| US6301743A | Vacuum cleaner with static dissipation circuit | Electricity | 11 | Expired |
| US5724159A | Image reading device provided with structural features for fixing the reading unit during transport | Electricity | 10 | Expired |
| US5585937A | Image reading device for percisely moving optical components to provide relatively reduced and magnified images | Electricity | 9 | Expired |
| US5645362A | Printer | Performing Operations; Transporting | 8 | Expired |
| US7335408B2 | Carbon nanotube composite material comprising a continuous metal coating in the inner surface, magnetic material and production thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6592645B1 | Method for producing fine powder of metallic nickel comprised of fine spherical particles | Performing Operations; Transporting | 7 | Expired |
| US7698777B2 | Vacuum cleaner | Human Necessities | 4 | Active |
| US5421661A | Sheet discharge in multi-color thermal printer | Performing Operations; Transporting | 4 | Expired |
| US9837208B2 | Inductor apparatus and inductor apparatus manufacturing method | Emerging Cross-Sectional Technologies | 4 | Active |
| US5474394A | Printing apparatus | Performing Operations; Transporting | 4 | Expired |
| US5107119A | Method of evaluating characteristics of superconductors and process and apparatus for forming superconductor film by using the method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5421660A | Output path in a printer | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.