David T. Hon
24Patents
11h-index
16Co-inventors
72Inventor score
Filing activity: Oct 14, 1975 → Dec 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4067589A | Foldable bicycle | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4422663A | Foldable and portable vehicle | Performing Operations; Transporting | 40 | Expired |
| US4019159A | Optical frequency doubler using electro-optic crystal with improved feedback control of crystal phase match | Physics | 37 | Expired |
| US4462606A | Foldable and portable vehicle | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4344042A | Self-regenerative laser oscillator-amplifier | Electricity | 25 | Expired |
| US4448435A | Foldable and portable vehicle | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4178561A | Scanning arrangements for optical frequency converters | Electricity | 22 | Expired |
| US5269550A | Mountain bike | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4429890A | Foldable and portable vehicle | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4433852A | Foldable and portable vehicle | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4438942A | Foldable and portable vehicle | Performing Operations; Transporting | 14 | Expired |
| US4010397A | Flashlamp triggering arrangements for pressurized gas cooled lasers | Electricity | 10 | Expired |
| US4429891A | Foldable and portable vehicle | Performing Operations; Transporting | 6 | Expired |
| US4566713A | Folding bicycle with releasable brace assembly | Performing Operations; Transporting | 6 | Expired |
| US6827518B2 | Inner-lock foldable joint | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8590418B2 | Adjusting mechanism for handle position of bicycle | Emerging Cross-Sectional Technologies | 2 | Active |
| US11851113B2 | Self-stabilizing vehicle and control method thereof | Performing Operations; Transporting | 2 | Active |
| US11313411B2 | Folding device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8919798B2 | Quickly foldable bicycle | Performing Operations; Transporting | 1 | Active |
| US9272401B2 | Spanner tool | Performing Operations; Transporting | 0 | Active |
| US9669670B2 | Pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8899607B2 | Reinforcing and locking device for vehicle frame | Performing Operations; Transporting | 0 | Active |
| US11554818B2 | Self-stabilizing vehicle and control method thereof | Performing Operations; Transporting | 0 | Active |
| US9676085B2 | Wrench tool and manufacturing method thereof | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.