Tsutomu Kobayashi
121Patents
14h-index
132Co-inventors
89Inventor score
Filing activity: Oct 12, 1973 → Jul 16, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5786793A | Compact antenna for circular polarization | Electricity | 84 | Expired |
| US4704600A | Oversampling converter | Electricity | 47 | Expired |
| US6499649B2 | Friction stir welding apparatus | Performing Operations; Transporting | 40 | Expired |
| US5785193A | Snap-hinged cap | Performing Operations; Transporting | 37 | Expired |
| US5513761A | Laminated bottle and pump device therefor | Performing Operations; Transporting | 37 | Expired |
| US6375082B1 | Portable electronic device with contacting and noncontacting interfaces | Physics | 35 | Expired |
| USD541154S1 | Cap | General | 32 | Expired |
| US5150593A | Shift lever device for automatic transmission | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4864194A | Electrodeless discharge lamp device | Electricity | 28 | Expired |
| US7654420B2 | Discharge container | Human Necessities | 18 | Active |
| US7775402B2 | Dispensing container with a pump | Performing Operations; Transporting | 17 | Active |
| USD842248S1 | Common-mode filter | General | 16 | Active |
| US4031496A | Variable inductor | Electricity | 14 | Expired |
| US6215511A | Optical writing head driving device | Electricity | 14 | Expired |
| USD540670S1 | Cap | General | 12 | Expired |
| US7451887B2 | Plate exchangeable compact container | Emerging Cross-Sectional Technologies | 11 | Active |
| US5921438A | Laminated bottle and pump device therefor | Performing Operations; Transporting | 10 | Expired |
| US7614670B2 | Door closing apparatus | Emerging Cross-Sectional Technologies | 9 | Active |
| USD850379S1 | Common-mode filter | General | 9 | Active |
| US4080171A | Rapid analysis of trace components contained in a liquid | Physics | 9 | Expired |
| US4985297A | Composite materials | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5394842A | Rocker arm with an oil groove | Emerging Cross-Sectional Technologies | 8 | Expired |
| US3932688A | Composite magnetic film | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4198692A | Self-biased structure for magnetic bubble domain devices | Physics | 8 | Expired |
| USD762576S1 | Common-mode filter | General | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.