Hitoshi Katou
9Patents
8h-index
17Co-inventors
66Inventor score
Filing activity: Apr 22, 1985 → Nov 8, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD308656S | Baby stroller | General | 50 | Expired |
| US6158721A | Apparatus and method for adding carbon dioxide gas to ultra pure water | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4597470A | Car speaker system | Electricity | 40 | Expired |
| US4923208A | Baby carriage also usable as shopping carrier | Performing Operations; Transporting | 38 | Expired |
| US6926352B2 | Vehicle body structure | Performing Operations; Transporting | 14 | Expired |
| US4846521A | Foot cover for baby buggy | Performing Operations; Transporting | 11 | Expired |
| US7626109B2 | Performance teaching apparatus and program for performance teaching process | Physics | 10 | Active |
| US5001960A | Apparatus for controlling reproduction on pitch variation of an input waveform signal | Physics | 9 | Expired |
| US10679886B2 | Workpiece treating method, semiconductor device, process for manufacturing the same, and temporary fixing composition for shear peeling | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.