Hidetoshi Ishikawa
22Patents
5h-index
27Co-inventors
69Inventor score
Filing activity: Apr 22, 1994 → Mar 14, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7404706B2 | Scroll fluid machine having oil-supply holes being formed through a reinforcement bearing plate on a rear surface of the orbiting scroll | Mechanical Engineering; Lighting; Heating | 51 | Active |
| US7559469B2 | Chip card of reduced size with backward compatibility and adapter for a reduced size chip card | Electricity | 38 | Expired |
| US7329108B2 | Scroll fluid machine | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US8073426B2 | Authentication vector generation device, subscriber identity module, wireless communication system, authentication vector generation method, calculation method, and subscriber authentication method | Electricity | 12 | Active |
| US7240216B2 | IC card having block state of operation and method of providing information security for the same | Electricity | 9 | Expired |
| US5698185A | Whitening cosmetic preparation and method of using same | Human Necessities | 4 | Expired |
| US6607743B1 | Bone resorption suppressing agent | Human Necessities | 3 | Expired |
| USD847975S1 | Nozzle used for spraying medical drug solution | General | 3 | Active |
| US8385889B2 | Radio communications system and method | Electricity | 3 | Active |
| USD661709S1 | Scroll pump | General | 3 | Active |
| US7937082B2 | Mobile communication terminal, IC card, mobile communication system, program, and communication charge notification method | Electricity | 3 | Active |
| US6260382A | Pierced earring | Human Necessities | 2 | Expired |
| US7713038B2 | Scroll fluid machine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6740334B2 | Bone resorption suppressing agent | Human Necessities | 2 | Expired |
| USD833001S1 | Nozzle used for spraying medical drug solution | General | 1 | Active |
| US8489091B2 | Mobile communication terminal, IC card, mobile communication system, program, and communication charge notification method | Electricity | 1 | Active |
| US7703690B2 | Non-contact IC apparatus and control method | Electricity | 1 | Active |
| US8141137B2 | Authentication vector generation device, subscriber identity module, mobile communication system, authentication vector generation method, calculation method, and subscriber authentication method | Electricity | 1 | Active |
| US7817984B2 | Mobile communication terminal and computer program thereof, IC card and computer program thereof, and mobile communication terminal system | Physics | 1 | Active |
| US8718038B2 | Node system and supervisory node | Electricity | 1 | Active |
| US8897289B2 | Node system and supervisory node | Electricity | 0 | Active |
| US7974603B2 | Authentication vector generating device, subscriber authentication module, mobile communication system, and authentication vector generation method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.