Naohiro Sonobe
43Patents
8h-index
63Co-inventors
78Inventor score
Filing activity: Jul 26, 1988 → Jun 6, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6303249A | Carbonaceous electrode material for secondary battery and process for production thereof | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6569570B2 | Carbonaceous electrode material for secondary battery | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6335122B1 | Carbonaceous electrode material for non-aqueous secondary battery | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5587255A | Carbonaceous electrode material for secondary battery | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5527643A | Carbonaceous electrode material for secondary battery and process for production thereof | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5616436A | Carbonaceous electrode material for secondary battery and process for production thereof | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7781370B2 | Process for producing spherical activated carbon | Chemistry; Metallurgy | 9 | Active |
| US5721071A | Graphitic electrode material for secondary battery and process for production thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6258337A | Carbonaceous material for electric double layer capacitor and process for production thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5741472A | Carbonaceous electrode material for secondary battery | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6830753B2 | Adsorbent for oral administration | Human Necessities | 7 | Expired |
| US7651974B2 | Adsorbent for oral administration | Human Necessities | 6 | Expired |
| US8574533B2 | Material for negative electrode of non-aqueous electrolyte secondary battery, process for producing the same, negative electrode and battery | Emerging Cross-Sectional Technologies | 4 | Active |
| US8309130B2 | Adsorbent for oral administration | Human Necessities | 4 | Active |
| US7634840B2 | Method for producing pitch-based carbon fiber silver and spun yarn | Textiles; Paper | 3 | Active |
| US8440228B2 | Adsorbent for an oral administration, and agent for treating or preventing renal or liver disease | Human Necessities | 2 | Active |
| US9537176B2 | Material for non-aqueous electrolyte secondary battery negative electrode | Emerging Cross-Sectional Technologies | 2 | Active |
| US8171711B2 | Hybrid carbon fiber spun yarn and hybrid carbon fiber spun yarn fabric using the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US7147970B2 | Electrode material for non-aqueous solvent secondary cell, electrode and secondary cell | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9877987B2 | Orally administered adsorbent, therapeutic agent for renal disease, and therapeutic agent for liver disease | Performing Operations; Transporting | 2 | Active |
| US8357366B2 | Adsorbent for an oral administration, and agent for treating or preventing renal or liver disease | Emerging Cross-Sectional Technologies | 2 | Active |
| US8865161B2 | Adsorbent for an oral administration, and agent for treating or preventing renal or liver disease | Emerging Cross-Sectional Technologies | 1 | Active |
| US7235329B2 | Electrode material for non-aqueous solvent-secondary cell, electrode and secondary cell | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10388956B2 | Carbonaceous molded article for electrodes and method of manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8920796B2 | Adsorbent for oral administration, and agent for treating or preventing renal or liver disease | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.