Hiroshi Yoshida
697Patents
34h-index
960Co-inventors
93Inventor score
Filing activity: Nov 29, 1973 → Jul 2, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5742189A | Frequency conversion circuit and radio communication apparatus with the same | Electricity | 147 | Expired |
| US6401121B1 | File server load distribution system and method | Electricity | 136 | Expired |
| USD528685S1 | Front combination lamp for an automobile | General | 123 | Expired |
| US4928260A | Content addressable memory array with priority encoder | Physics | 99 | Expired |
| US6574092B2 | Carbonaceous material, polarizable electrode for electrical double-layer capacitor, and electrical double-layer capacitor | Emerging Cross-Sectional Technologies | 85 | Expired |
| US5276624A | Turning control apparatus for vehicle | Performing Operations; Transporting | 80 | Expired |
| US6498929B1 | Receiver having DC offset decreasing function and communication system using the same | Electricity | 76 | Expired |
| US5081431A | Digital temperature-compensated oscillator | Electricity | 72 | Expired |
| US5471089A | Semiconductor power module | Electricity | 69 | Expired |
| US4378324A | Process for preparing aromatic polyimide semipermeable membranes | Emerging Cross-Sectional Technologies | 67 | Expired |
| US6270408A | Game machine informing prize mode information based on variable display stop request | Physics | 67 | Expired |
| US6315289A | Game machine informing small hit prize | Physics | 64 | Expired |
| USD567125S1 | Stress meter | General | 62 | Expired |
| US6306034A | Game machine informing prize mode information in a series of flow of game | Physics | 62 | Expired |
| USD632894S1 | Brush head for electric toothbrush | General | 59 | Expired |
| US5131119A | Hook structure for integrally molded surface fastener | Emerging Cross-Sectional Technologies | 58 | Expired |
| US4773196A | Flooring panels for free cable laying | Electricity | 54 | Expired |
| US4047580A | High-velocity jet digging method | Fixed Constructions | 52 | Expired |
| US4868041A | Cloth for protection against flames | Emerging Cross-Sectional Technologies | 52 | Expired |
| US7135940B2 | Tunable filter and portable telephone | Electricity | 49 | Expired |
| US4046403A | Strut type independent suspension system for automobiles | Performing Operations; Transporting | 45 | Expired |
| US8271115B2 | Media player and play method | Physics | 44 | Active |
| US6554333B2 | Vehicle bumper assembly | Performing Operations; Transporting | 42 | Expired |
| USD505399S1 | Semiconductor device | General | 42 | Expired |
| US7415074B2 | MIMO transmission and reception methods and devices | Electricity | 41 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.