Kenji Ozawa
39Patents
6h-index
42Co-inventors
69Inventor score
Filing activity: Dec 12, 1974 → Apr 4, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4742237A | Surface configuration inspection apparatus with moving grating | Physics | 18 | Expired |
| USD467607S1 | Electronic piano | General | 13 | Expired |
| US5474830A | Magnetic recording medium and method for the manufacture thereof including spaced apart deposits | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4743641A | Polycarbonate resin composition | Chemistry; Metallurgy | 10 | Expired |
| US6650529B1 | Inductor and method of manufacturing same | Electricity | 7 | Expired |
| US7474651B2 | Radio wave correction clock | Physics | 6 | Expired |
| US3970572A | Ferroelectric ceramic composition | Chemistry; Metallurgy | 5 | Expired |
| US8385156B2 | Radio-controlled adjustment timepiece | Physics | 5 | Active |
| US6889850B2 | Bill processing device | Performing Operations; Transporting | 5 | Expired |
| US5791521A | Liquid dispensing bag and quantitative chamber forming jig for liquid dispensing device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5887076A | Method of and apparatus for checking the wrapping state of a roll | Physics | 3 | Expired |
| US6601513B1 | Motor control method and apparatus, time recorder having same and impact type printing apparatus | Physics | 3 | Expired |
| US7192023B2 | Bill handling apparatus | Performing Operations; Transporting | 3 | Expired |
| US8596779B2 | Transport apparatus and recording apparatus | Performing Operations; Transporting | 2 | Active |
| US8864358B2 | Surface light source device and frame used therein | Physics | 2 | Active |
| US8657728B2 | Cylindrical shaft, transport roller, transport unit, and printing apparatus | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8459308B2 | Cylindrical shaft, transport roller, transport unit, and printing apparatus | Performing Operations; Transporting | 1 | Active |
| US6178385A | Method and apparatus for checking the wrapping state of a roll | Physics | 1 | Expired |
| US8905402B2 | Cylindrical shaft, transport roller, transport unit, and printing apparatus | Performing Operations; Transporting | 1 | Active |
| US8870438B2 | Surface light source device with frame including light source and light guide plate | Physics | 1 | Active |
| US7288974B2 | Wave correction clock and method | Physics | 1 | Expired |
| US9180702B2 | Cylindrical shaft, transport roller, transport unit and printing apparatus | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8191014B2 | Information processing apparatus, display control method and program | Physics | 1 | Active |
| US8899582B2 | Cylindrical shaft, transport roller, transport unit, and printing apparatus | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8701045B2 | Information processing apparatus, display control method and program | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.