Takehiro Nakayama
22Patents
8h-index
20Co-inventors
75Inventor score
Filing activity: Apr 19, 1993 → Dec 12, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5526443A | Method and apparatus for highlighting and categorizing documents using coded word tokens | Physics | 64 | Expired |
| US5909510A | Method and apparatus for document classification from degraded images | Physics | 37 | Expired |
| US5377280A | Method and apparatus for automatic language determination of European script documents | Physics | 29 | Expired |
| US6782423B1 | Hypertext analyzing system and method | Physics | 25 | Expired |
| US7639818B2 | Structured document signature device, structured document adaptation device and structured document verification device | Electricity | 22 | Active |
| US6622139B1 | Information retrieval apparatus and computer-readable recording medium having information retrieval program recorded therein | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7530017B2 | Document transformation system | Physics | 10 | Expired |
| US7894808B2 | Storing apparatus and telecommunications apparatus | Electricity | 9 | Active |
| US7529861B2 | Peripheral switching device and a peripheral switching control device | Physics | 7 | Active |
| US8011006B2 | Access controller and access control method | Physics | 5 | Active |
| US8042117B2 | Operating system switching control device and computer system | Physics | 5 | Active |
| US9947564B2 | Conveyance base and conveyance system | Electricity | 4 | Active |
| US6371795B1 | Mounted structure of on-connector cover | Electricity | 4 | Expired |
| US8301433B2 | Software behavior modeling apparatus, software behavior monitoring apparatus, software behavior modeling method, and software behavior monitoring method | Physics | 3 | Active |
| US7567236B2 | Communications terminal apparatus, reception apparatus, and method therefor | Electricity | 3 | Active |
| US7627763B2 | Multi signature verification system, electronic signature attaching apparatus, data addition apparatus, and electronic signature verification apparatus | Electricity | 3 | Active |
| US8056137B2 | Communication terminal device and computer device | Physics | 2 | Active |
| US8285723B2 | System and method for indexing documents and retrieving similar document based on link transition count distance calculations | Physics | 1 | Active |
| US8015551B2 | Software operation modeling device, software operation monitoring device, software operation modeling method, and software operation monitoring method | Physics | 1 | Active |
| US8407799B2 | Software behavior modeling device, software behavior modeling method, software behavior verification device, and software behavior verification method | Physics | 0 | Active |
| US7774387B2 | Data compressor, data decompressor, and data management system | Electricity | 0 | Expired |
| US8176033B2 | Document processing device and document processing method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.