Seiro Oshima
11Patents
3h-index
15Co-inventors
53Inventor score
Filing activity: Jul 5, 2001 → Feb 13, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6618350B2 | Rewritable optical recording medium and manufacturing method and apparatus therefor | Physics | 25 | Expired |
| US6687214B2 | Recording medium and apparatus and method for manufacturing the same | Physics | 3 | Expired |
| US6813237B2 | Optical recording medium having a plurality of meandering groove tracks, optical recording medium producing apparatus and optical recording medium producing method | Physics | 3 | Expired |
| US7548499B2 | Offset amount measuring method and apparatus | Physics | 1 | Active |
| US6692809B2 | Optical recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11885957B2 | Optical deflector | Performing Operations; Transporting | 0 | Active |
| US6837072B2 | Rewritable optical recording medium and manufacturing method and apparatus therefor | Physics | 0 | Expired |
| US7260052B2 | Information recording medium | Physics | 0 | Expired |
| US7848215B2 | Optical recording medium, information recording apparatus and information reproduction apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US7092351B2 | Optical recording medium, optical recording medium producing apparatus and optical recording medium producing method | Physics | 0 | Expired |
| US7768901B2 | Optical disc | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.