Hiroshi Soma
18Patents
11h-index
46Co-inventors
72Inventor score
Filing activity: Oct 18, 1974 → Apr 22, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4365114A | Automotive loudspeaker having variable speaker orientation and particular electrical connections | Electricity | 58 | Expired |
| US4597470A | Car speaker system | Electricity | 40 | Expired |
| US4056165A | Sound reproducing apparatus in the inside of a car | Electricity | 32 | Expired |
| US6208809A | Camera with motor-driven lens barrel | Physics | 20 | Expired |
| US3952834A | Embedded type speaker with over lying grill | Electricity | 17 | Expired |
| US4005761A | Car loud speaker | Electricity | 15 | Expired |
| US7020493B2 | Portable communication terminal with multiple displays | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7239416B2 | Printing method, portable communication terminal and portable printer | Electricity | 13 | Expired |
| US5742624A | Fault detecting apparatus and method | Physics | 13 | Expired |
| US5574264A | Active exhaust-noise attenuation muffler | Physics | 12 | Expired |
| US4365113A | Speaker unit for automotive vehicles | Electricity | 11 | Expired |
| US5740479A | Photographic camera | Physics | 10 | Expired |
| US6349173B1 | Camera with motor-driven lens barrel | Physics | 7 | Expired |
| US6815073B2 | Electronic component and method of manufacturing the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4643366A | Roller mill | Performing Operations; Transporting | 2 | Expired |
| US7542783B2 | Portable communication terminal | Emerging Cross-Sectional Technologies | 1 | Active |
| US6573925B2 | Optical printer module | Physics | 1 | Expired |
| US10221537B2 | Artificial ground freezing method and artificial ground freezing system | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.