Hitoshi Oba
17Patents
5h-index
30Co-inventors
66Inventor score
Filing activity: Mar 20, 2000 → Mar 10, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7151568B2 | Displacement sensor | Physics | 49 | Expired |
| US6747745B2 | Displacement sensor | Physics | 31 | Expired |
| US6412957B1 | Pavement marking article and method of producing | Fixed Constructions | 19 | Expired |
| US8491157B2 | Illuminating device and method for manufacturing thereof | Emerging Cross-Sectional Technologies | 12 | Active |
| USD567187S1 | Sensor controller | General | 11 | Expired |
| US7191087B2 | Sensor controller | Electricity | 5 | Expired |
| US7027082B2 | Image recording apparatus and image recording system | Physics | 4 | Expired |
| US7157917B2 | Sensor cable having easily changeable entire length and allowing accurate and high speed signal transmission even when entire length is made longer, and amplifier-separated type sensor with the cable | Electricity | 2 | Expired |
| US10605688B2 | Load cell input unit | Physics | 1 | Active |
| US11640197B2 | Counter unit | Physics | 1 | Active |
| US11126164B2 | Control apparatus and control method | Physics | 0 | Active |
| US7520432B2 | Sensor system | Physics | 0 | Active |
| US11724332B2 | Evaluation system and evaluation method | Performing Operations; Transporting | 0 | Active |
| USD540745S1 | Joint connector | General | 0 | Expired |
| US11067967B2 | Control apparatus and control method | General | 0 | Revoked |
| US7663759B2 | Displacement sensor | Physics | 0 | Active |
| US12085424B2 | Signal measurement unit | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.