Kenichi Numata
22Patents
6h-index
28Co-inventors
69Inventor score
Filing activity: Oct 8, 1975 → Jun 15, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5943669A | Document retrieval device | Emerging Cross-Sectional Technologies | 77 | Expired |
| US7069502B2 | Structured document management system and structured document management method | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4715667A | Hydraulic pressure control device for use in vehicle anti-skid braking system | Performing Operations; Transporting | 17 | Expired |
| US4778222A | Automotive anti-lock brake control system | Performing Operations; Transporting | 9 | Expired |
| US8086570B2 | Secure document management using distributed hashing | Physics | 8 | Active |
| US5277483A | Braking apparatus for use in a motor vehicle | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4036191A | Exhaust gas recirculation system | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9372843B2 | Document association device, document association method, and non-transitory computer readable medium | Physics | 2 | Active |
| US8650654B2 | Memory device, memory system, and authentication method | Physics | 1 | Active |
| US7523120B2 | Recording medium in which document management program is stored, document management method, and document management apparatus | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8065743B2 | Content use management system, content-providing system, content-using device and computer readable medium | Electricity | 1 | Active |
| US11956356B2 | Key management device and storage system | Electricity | 0 | Active |
| US11941261B2 | Storage device | Physics | 0 | Active |
| US11468159B2 | Memory system | Electricity | 0 | Active |
| US12085195B2 | Flexible tube | Performing Operations; Transporting | 0 | Active |
| US11521406B2 | Information processing apparatus, information processing system, and non-transitory computer readable medium storing program | Physics | 0 | Active |
| US11859736B2 | Antistatic flexible hose | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7159171B2 | Structured document management system, structured document management method, search device and search method | Physics | 0 | Expired |
| US11507284B2 | Storage device and control method | Electricity | 0 | Active |
| US10254400B2 | Radar device | Electricity | 0 | Active |
| US12353571B2 | Storage device | Physics | 0 | Active |
| US11933438B2 | Hose attachment structure and ground clip | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.