Keisuke Ito
54Patents
6h-index
87Co-inventors
75Inventor score
Filing activity: Sep 4, 1981 → Feb 28, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5974876A | Map information displaying apparatus, navigation apparatus and program storage device readable by the navigation apparatus | Physics | 32 | Expired |
| US6494566B1 | Head member having ultrafine grooves and a method of manufacture thereof | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4472124A | Device for producing an information recording disk | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5578775A | Wire for musical instrument string | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD403014S | Toner bottle | General | 12 | Expired |
| US4449916A | Device for manufacturing information recording mediums | Emerging Cross-Sectional Technologies | 11 | Expired |
| US9399974B2 | Motorcycle | Emerging Cross-Sectional Technologies | 5 | Active |
| US5274506A | Video recording and playback device with built-in video camera in an outer case compatible with existing tape cassette | Electricity | 4 | Expired |
| USD734130S1 | Snap portion of spacer | General | 4 | Active |
| US6284432A | Coloring composition | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9426322B2 | Network device, control method, and storage medium with management of a shared setting value and a unique setting value for each network device of a plurality of network devices | Electricity | 3 | Active |
| US5556456A | Pigment compositions | Chemistry; Metallurgy | 3 | Expired |
| US5779783A | Composition for printing inks | Chemistry; Metallurgy | 2 | Expired |
| US10051139B2 | Network device that flexibly manages setting value, control method, and storage medium | Electricity | 2 | Active |
| US10967899B2 | Vehicle | Performing Operations; Transporting | 2 | Active |
| US7146998B2 | Hydraulic valve | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11907965B2 | Information processing device, information processing method, and non-transitory storage medium | Emerging Cross-Sectional Technologies | 1 | Active |
| US9077829B2 | Management system of information processing apparatus, information processing apparatus, method for controlling communication of information processing apparatus, and storage medium | Electricity | 1 | Active |
| US5393899A | Process for purification of crude 4,4'-diamino-1,1'-dianthraquinonyl-3,3'-disulfonic acids and salts thereof | Chemistry; Metallurgy | 1 | Expired |
| US5416263A | Process for producing 4,4'-Diamino-1,1'-dianthraquinonyl pigments | Chemistry; Metallurgy | 1 | Expired |
| US11431860B2 | Image processing apparatus, image processing method and storage medium | Electricity | 1 | Active |
| US10643445B2 | In-car status notification system | Physics | 1 | Active |
| US11027639B2 | Automobile | Performing Operations; Transporting | 0 | Active |
| US10698207B2 | Vehicle display device | Physics | 0 | Active |
| US10773592B2 | Sound output and text display device for a vehicle | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.