Shizuo Arai
11Patents
5h-index
13Co-inventors
63Inventor score
Filing activity: Mar 19, 1990 → Oct 15, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5091901A | Disc Cartridge with dual identification elements | Physics | 32 | Expired |
| US5511055A | Optical disk device with cooling fan | Physics | 17 | Expired |
| US6154431A | Recording and reproducing apparatus | Physics | 7 | Expired |
| US5867477A | Optical disk with snap-fit magnetized hub | Physics | 7 | Expired |
| US6021108A | Optical pickup device in recording and/reproducing apparatus | Physics | 5 | Expired |
| US6314076A | Optical pickup device in recording and/reproducing apparatus | Physics | 5 | Expired |
| US6285643A | Disk cartridge, disk driving device using disk cartridge, and storage system comprising disk cartridge and disk driving device | Physics | 5 | Expired |
| US6272092A | Recording and reproducing apparatus with lock and release mechanism | Physics | 4 | Expired |
| US6188661A | Recording and reproducing apparatus having elevation mechanism | Physics | 3 | Expired |
| US6046976A | Disc cartridge with grooves for a recording and reproducing apparatus | Physics | 2 | Expired |
| US8031462B2 | Molded component, electronic apparatus, and method of producing a molded component | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.