Tetsuya Sakuma
19Patents
3h-index
23Co-inventors
60Inventor score
Filing activity: Jun 4, 1998 → Jan 14, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10371029B2 | Exhaust gas control apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 7 | Active |
| US5876892A | Electrophotographic photoreceptor with polycarbonate copolymer and butadiene | Physics | 6 | Expired |
| US10794250B2 | Electrochemical reactor and internal combustion engine provided with electrochemical reactor | Emerging Cross-Sectional Technologies | 4 | Active |
| US10502106B1 | Electrochemical reactor | Emerging Cross-Sectional Technologies | 2 | Active |
| US10450925B2 | Exhaust gas purification apparatus for an internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US8349529B2 | Electrophotographic photoconductor, and electrophotographic method, electrophotographic apparatus and process cartridge containing the electrophotographic photoconductor | Physics | 1 | Active |
| US11325068B2 | Exhaust purification system of internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US10900403B2 | Abnormality diagnosis apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US7704655B2 | Electrophotographic photoreceptor and electrophotographic apparatus | Physics | 0 | Active |
| US10731531B2 | Internal combustion engine provided with electrochemical reactor and vehicle mounting internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US10907523B2 | Abnormality diagnosis apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US10892163B2 | Semiconductor device with side wall protection film for bond pad and wiring | Electricity | 0 | Active |
| US11358095B2 | Electrochemical reactor | Performing Operations; Transporting | 0 | Active |
| US10934913B2 | Catalytic device and exhaust gas purification system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10641150B2 | Exhaust purification system of an internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11274585B2 | Exhaust purification system of internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11285436B2 | Exhaust purification system of internal combustion engine | General | 0 | Revoked |
| US11325067B2 | Electrochemical reactor | General | 0 | Revoked |
| US10920634B2 | Exhaust after treatment system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.