Jun Sawai
17Patents
4h-index
29Co-inventors
60Inventor score
Filing activity: Jul 9, 1991 → Aug 30, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8106733B2 | Switch and recording medium | Electricity | 16 | Active |
| US7990706B2 | Cooling duct and electronic apparatus | Electricity | 11 | Active |
| USD844630S1 | Disc cartridge | General | 7 | Active |
| US7995119B2 | Information recording apparatus, non-contact recording medium and recording method for the same | Electricity | 6 | Active |
| US5299085A | Compact rotating head assembly | Physics | 4 | Expired |
| US8199501B2 | Electronic equipment | Physics | 4 | Active |
| US6309558A | Process of fabricating a manganese-zinc-ferrite core, and manganese zinc-base ferrite core | Chemistry; Metallurgy | 4 | Expired |
| US6113843A | Process for preparation of oxide magnetic compact | Electricity | 3 | Expired |
| US7035136B2 | Nonvolatile magnetic memory device and method of writing data into tunnel magnetoresistance device in nonvolatile magnetic memory device | Physics | 2 | Expired |
| US7940632B2 | Recording medium, data use limitating method, and program | Physics | 1 | Active |
| USD766251S1 | Disc cartridge | General | 1 | Active |
| US8132735B2 | Recording medium and apparatus for holding the same | Physics | 1 | Active |
| US7696835B2 | Communication system, transmitting device, transmitting method, receiving device, and receiving method | Electricity | 1 | Active |
| US7209425B2 | Drive apparatus for tape-like optical recording medium | Physics | 1 | Expired |
| US7292518B2 | Apparatus for recording information and apparatus for recording and reproducing information | Physics | 0 | Expired |
| US5237478A | Rotary head drum unit | Physics | 0 | Expired |
| US8110756B2 | Electronic device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.