Naoki Fujimoto
63Patents
5h-index
81Co-inventors
75Inventor score
Filing activity: Jun 23, 1988 → Jul 18, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5847658A | Vibration monitor and monitoring method | Physics | 37 | Expired |
| US4983145A | Apparatus for automatically tensioning a drive belt | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5195932A | Compact coil spring tensioner | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4904550A | Sealed lead-acid battery | Emerging Cross-Sectional Technologies | 8 | Expired |
| US11192607B2 | Electric front derailleur | Performing Operations; Transporting | 7 | Active |
| US10096946B2 | Wire connection structure having a coil-shaped circuit formed by wire end portions and a conductive member wound around a ring-shaped magnetic body | Electricity | 5 | Active |
| US11554832B2 | Bicycle derailleur and method of controlling bicycle derailleur | Performing Operations; Transporting | 4 | Active |
| US10135048B2 | Lead-acid battery | Emerging Cross-Sectional Technologies | 4 | Active |
| US11697474B2 | Bicycle derailleur and link pin for bicycle derailleur | Performing Operations; Transporting | 4 | Active |
| USD753586S1 | Lead-acid battery | General | 4 | Active |
| US11565772B2 | Bicycle derailleur, bicycle gear structure, bicycle motor unit, and front derailleur | Performing Operations; Transporting | 3 | Active |
| US11077916B2 | Bicycle chain guide assembly | Performing Operations; Transporting | 3 | Active |
| US7925402B2 | Vehicle air bag control system | Performing Operations; Transporting | 2 | Active |
| US10319969B2 | Lead-acid battery and method of manufacturing lid member of lead-acid battery | Emerging Cross-Sectional Technologies | 2 | Active |
| US11661141B2 | Derailleur for human-powered vehicle | Performing Operations; Transporting | 2 | Active |
| US10875604B2 | Shifting system for human-powered vehicle | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10308313B2 | Bicycle operating device | Performing Operations; Transporting | 2 | Active |
| US12043345B2 | Bicycle derailleur and bicycle rear derailleur | Performing Operations; Transporting | 1 | Active |
| US11685471B2 | Shifting system for human-powered vehicle | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9231127B2 | Light receiving and emitting element and sensor device using same | Electricity | 1 | Active |
| US10323294B2 | Austenitic stainless steel foil | Emerging Cross-Sectional Technologies | 1 | Active |
| US11745828B2 | Front derailleur and chain guide of bicycle derailleur | Performing Operations; Transporting | 1 | Active |
| US10283283B2 | Separator for power storage device, and power storage device using same | Emerging Cross-Sectional Technologies | 1 | Active |
| US7359818B2 | Sensor apparatus, control system having the same and offset correction method | Performing Operations; Transporting | 1 | Active |
| US10786974B2 | Stainless steel foil | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.