Yoshiya Nonaka
30Patents
10h-index
39Co-inventors
75Inventor score
Filing activity: May 18, 1989 → Oct 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4945335A | Electronic unit operable in conjunction with body unit | Physics | 29 | Expired |
| US5430698A | CD playing apparatus | Physics | 19 | Expired |
| US5471441A | CD player capable of playing back partially recorded CD | Physics | 18 | Expired |
| US6747920B2 | Information reproduction apparatus and information reproduction | Physics | 14 | Expired |
| US5414684A | Method and apparatus for discriminating type of disks positioned on a CD player | Physics | 14 | Expired |
| US6614732B2 | Record and playback apparatus and recording method | Physics | 12 | Expired |
| US5687150A | Apparatus for and method of recording information, and apparatus for recording and reproducing information | Physics | 11 | Expired |
| US7266724B2 | Apparatus and method for interruption of read and write operation and program storage medium for storing read and write procedure program | Physics | 10 | Expired |
| US5109420A | Car audio device | Electricity | 10 | Expired |
| US5508988A | Method and apparatus for reproducing information from a partially recorded recording medium | Physics | 10 | Expired |
| US7006424B2 | Information recording/reproducing system, music recording/reproducing system, information recorded medium and music recording/reproducing method | Physics | 7 | Expired |
| US5621712A | Reproducing system for an optical recording medium having improved response to a high speed scanning instruction | Physics | 6 | Expired |
| US6882493B2 | Data recording apparatus and data erasing apparatus capable of performing restoration when power supply malfunction occurs during recording or erasing | Physics | 5 | Expired |
| US5515351A | Method and apparatus for executing a CD playback setup operation in a CD player particularly suited to playback of partially recorded CDs | Physics | 5 | Expired |
| US5617381A | Reproducing system for automatically reproducing optical discs | Physics | 3 | Expired |
| US7187627B2 | System for controlling recording and reproducing data using management information on the medium | Physics | 3 | Expired |
| US5784346A | Optical disk reproducing device provided with improved spindle motor control | Physics | 2 | Expired |
| US6690527B1 | Method of and system for recording and reproducing information data | Physics | 2 | Expired |
| US6910629B2 | Information reproduction apparatus | Physics | 2 | Expired |
| US6667938B2 | Information recording and reproducing apparatus | Physics | 2 | Expired |
| US5654949A | Recording medium reproducing device | Physics | 2 | Expired |
| US7702657B2 | Portable information processor | Physics | 2 | Active |
| US7516283B2 | Memory control device, in-car device, memory control method, and computer product for managing data in response to various power states | Physics | 1 | Expired |
| US7467305B2 | Method of and system for recording and reproducing information data | Electricity | 0 | Expired |
| US7680280B2 | Electronic device, control method thereof, security program and others | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.