Tetsuya Kubo
18Patents
11h-index
32Co-inventors
72Inventor score
Filing activity: Aug 2, 1984 → Oct 8, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4661320A | Gas sensor | Physics | 43 | Expired |
| US6748243B1 | Folding portable telephone apparatus | Electricity | 35 | Expired |
| US5327584A | Portable radio having cover releasing mechanism and receive switch which are operable together | Electricity | 29 | Expired |
| US5903132A | Battery pack holding structure providing force components for eliminating play of an electronic device in plural dimensions | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5376924A | Fire sensor | Physics | 25 | Expired |
| US6193132A | Method for bonding semiconductor chip and device therefor | Electricity | 24 | Expired |
| US6490436B1 | Battery pack removing device | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6807275B1 | Folding portable telephone apparatus | Electricity | 18 | Expired |
| US6633749B2 | Folding mobile wireless device | Electricity | 16 | Expired |
| US6728558B1 | Portable telephone apparatus and control method thereof | Electricity | 16 | Expired |
| US6842626B1 | Portable cellular phone | Electricity | 13 | Expired |
| US5335367A | Antenna retracting structure of portable radio | Electricity | 9 | Expired |
| US6763245B1 | Portable phone device | Electricity | 9 | Expired |
| US6721420B1 | Folding portable telephone apparatus | Electricity | 6 | Expired |
| US7224946B2 | Flip electronic equipment | Electricity | 4 | Expired |
| US6215602A | Lens holding device for portable communication device | Electricity | 4 | Expired |
| US7103396B2 | Portable telephone apparatus and control method thereof | Electricity | 3 | Expired |
| US7376447B2 | Mobile telephone | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.