Kazue Sato
13Patents
10h-index
35Co-inventors
72Inventor score
Filing activity: Dec 12, 1977 → Dec 31, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5025474A | Speaker system with image projection screen | Electricity | 74 | Expired |
| US4239945A | Sealed headphone | Electricity | 67 | Expired |
| US4930596A | Loudspeaker system | Electricity | 39 | Expired |
| US4893695A | Speaker system | Electricity | 29 | Expired |
| US4300655A | Acoustic diaphragm for speakers and method of producing the same | Electricity | 21 | Expired |
| US6305491A | Speaker | Electricity | 17 | Expired |
| US6259935A | Electro-mechanical-acoustic transducing device | Electricity | 14 | Expired |
| US4426556A | Electrodynamic loudspeaker | Electricity | 13 | Expired |
| US4211898A | Headphone with two resonant peaks for simulating loudspeaker reproduction | Electricity | 12 | Expired |
| US5073946A | Thin speaker having an enclosure with an open portion and a closed portion | Electricity | 11 | Expired |
| US6656130B2 | Female physical condition managing apparatus | Human Necessities | 3 | Expired |
| US6725088B2 | Female physical condition managing apparatus | Human Necessities | 3 | Expired |
| US8351760B2 | Controller, recording device and menu display method | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.