Takayuki Sako
7Patents
3h-index
10Co-inventors
54Inventor score
Filing activity: Sep 28, 1998 → Apr 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6904429B2 | Information retrieval apparatus and information retrieval method | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6442540B2 | Information retrieval apparatus and information retrieval method | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6662152B2 | Information retrieval apparatus and information retrieval method | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8933415B2 | Laser ion source and heavy particle beam therapy equipment | Human Necessities | 1 | Active |
| US12267941B2 | Particle beam accelerator, particle beam blocking method for particle beam accelerator, and particle beam therapy apparatus | Electricity | 0 | Active |
| US12279358B2 | Particle beam accelerator, method for operating particle beam accelerator, and particle beam therapy apparatus | Electricity | 0 | Active |
| USD627399S1 | Game machine | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.