Yuichi Sakai
54Patents
11h-index
58Co-inventors
81Inventor score
Filing activity: Oct 31, 1988 → Apr 9, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7992318B2 | Heating apparatus, heating method, and computer readable storage medium | Electricity | 522 | Active |
| US8212136B2 | Exercise audio reproducing device, exercise audio reproducing method, and exercise audio reproducing program | Physics | 70 | Active |
| US6500223B1 | Granular fertilizer coated with decomposable coating film and process for producing the same | Chemistry; Metallurgy | 52 | Expired |
| US6570299B2 | Piezoelectric electroacoustic transducer and manufacturing method of the same | Emerging Cross-Sectional Technologies | 40 | Expired |
| US8017852B2 | Music content reproduction apparatus, method thereof and recording apparatus | Physics | 39 | Active |
| US5818567A | Frame structure for eyeglasses having a spring-hinge | Physics | 37 | Expired |
| US8022287B2 | Music composition data reconstruction device, music composition data reconstruction method, music content reproduction device, and music content reproduction method | Physics | 33 | Active |
| US6393919B1 | Pressure sensor with a thermal pressure detecting element | Physics | 19 | Expired |
| US5583058A | Infrared detection element array and method for fabricating the same | Physics | 18 | Expired |
| US5523806A | Eyeglasses having improved lens fastening member | Physics | 11 | Expired |
| US8451832B2 | Content using apparatus, content using method, distribution server apparatus, information distribution method, and recording medium | Physics | 11 | Active |
| US6615655B1 | Heat-sensitive type flow rate detecting element and holder therefor | Physics | 11 | Expired |
| US7960638B2 | Apparatus and method of creating content | Physics | 10 | Active |
| US8041801B2 | Information recommendation system based on biometric information | Physics | 10 | Active |
| US4882959A | Hand tool | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7980003B2 | Heat processing apparatus and heat processing method | Electricity | 9 | Active |
| US6675644B2 | Thermo-sensitive flow rate sensor | Physics | 8 | Expired |
| US7732700B2 | Playback device, contents selecting method, contents distribution system, information processing device, contents transfer method, and storing medium | Physics | 8 | Active |
| US6727170B2 | Semiconductor device having an improved interlayer conductor connections and a manufacturing method thereof | Electricity | 7 | Expired |
| US6278187A | Semiconductor device having an improved interlayer conductor connections and a manufacturing method thereof | Electricity | 7 | Expired |
| US7700867B2 | Apparatus and method of playing back audio signal | Human Necessities | 6 | Active |
| US8269092B2 | Musical content reproducing device and musical content reproducing method | Physics | 6 | Active |
| US6602725B2 | Method of manufacturing a semiconductor device having a monitor pattern, and a semiconductor device manufactured thereby | Electricity | 6 | Expired |
| US7728215B2 | Playback apparatus and playback method | Physics | 5 | Active |
| US9691925B2 | Light receiving element module and manufacturing method therefor | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.