Toshihide Hamaguchi
12Patents
5h-index
16Co-inventors
59Inventor score
Filing activity: Mar 29, 1991 → Feb 3, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5251195A | Disc player with simplified lifting and lowering mechanism | Physics | 19 | Expired |
| US6404085B2 | Vibration generator for reporting and portable communication equipment using the same | Electricity | 19 | Expired |
| US6281785A | Vibration generator for notification and portable communication device using the vibration generator | Physics | 18 | Expired |
| US6255937A | Notifying device using alternating drive signals | Performing Operations; Transporting | 13 | Expired |
| US6529455B1 | Disk apparatus with enhanced focal positioning | Physics | 9 | Expired |
| US6091561A | Magnetic recording/reproduction apparatus which simultaneously scans two continuous tracks in both standard and long play modes | Physics | 5 | Expired |
| US7936251B1 | Alerting device and radio communication device having the alerting device | Electricity | 5 | Expired |
| US5619385A | Video tape recorder carrying out field extraction recording and/or reproduction of a video signal | Electricity | 4 | Expired |
| US5794873A | Magnetic recording-reproduction apparatus having movable reel supports | Physics | 2 | Expired |
| US5757577A | Magnetic recording-playback apparatus for cassettes of two different sizes | Physics | 2 | Expired |
| US5594596A | Video tape recorder carrying out field extraction recording and/or reproduction of a video signal | Electricity | 2 | Expired |
| US8107330B2 | Information recording and reproducing apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.