Hirofumi Takikawa
6Patents
2Active
6Granted
33Portfolio score
Filing activity: Nov 21, 2001 → Mar 25, 2005 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6827823B2 | Nano-carbon and composite material or mixed material containing nano-carbon and metal fine particle and methods for producing and patterning the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6759024B2 | METHOD FOR MANUFACTURING NANO-TUBE, NANO-TUBE MANUFACTURED THEREBY, APPARATUS FOR MANUFACTURING NANO-TUBE, METHOD FOR PATTERNING NANO-TUBE, NANO-TUBE MATERIAL PATTERNED THEREBY, AND ELECTRON EMISSION SOURCE | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6989083B2 | Method for preparing carbon nano-fine particle, apparatus for preparing the same and mono-layer carbon nanotube | Chemistry; Metallurgy | 1 | Expired |
| US7754177B2 | Carbon nanoballoon structure and method for preparation thereof, and electron emitter | Electricity | 1 | Expired |
| US7719198B2 | Power supply circuit for plasma generation, plasma generating apparatus, plasma processing apparatus and plasma processed object | Electricity | 0 | Active |
| US7823537B2 | Plasma generator | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.