Hiroshi Ito
674Patents
41h-index
904Co-inventors
93Inventor score
Filing activity: Jul 19, 1973 → Oct 26, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4491628A | Positive- and negative-working resist compositions with acid generating photoinitiator and polymer with acid labile groups pendant from polymer backbone | Emerging Cross-Sectional Technologies | 643 | Expired |
| US6072391A | Information indicator for vehicle | Physics | 248 | Expired |
| US6990922B2 | Indication system of meter part | Emerging Cross-Sectional Technologies | 241 | Expired |
| US5217449A | Medical capsule and apparatus for activating the same | Human Necessities | 230 | Expired |
| US7596008B2 | Power conversion apparatus | Electricity | 189 | Active |
| US5796580A | Air-cooled information processing apparatus having cooling air fan, sub-fan, and plural separated cooling air flow channels | Physics | 176 | Expired |
| US6714842B1 | Synchronous position control apparatus and method | Physics | 168 | Expired |
| US4498029A | Microwave generated plasma light source apparatus | Electricity | 100 | Expired |
| US4552833A | Radiation sensitive and oxygen plasma developable resist | Physics | 94 | Expired |
| US4069487A | Recording member and process for recording | Emerging Cross-Sectional Technologies | 93 | Expired |
| US6008559A | Motor using a rotor including an interior permanent magnet | Electricity | 89 | Expired |
| US5492793A | Photoresist composition | Emerging Cross-Sectional Technologies | 82 | Expired |
| US5724808A | Air-fuel ratio control system for internal combustion engines | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4657845A | Positive tone oxygen plasma developable photoresist | Physics | 76 | Expired |
| US5655363A | Air-fuel ratio control system for internal combustion engines | Emerging Cross-Sectional Technologies | 75 | Expired |
| US6618507B1 | Methods of feature extraction of video sequences | Physics | 72 | Expired |
| US5990605A | Electron emission device and display device using the same | Electricity | 69 | Expired |
| US4523281A | Automatic transmission controller for automobiles | Mechanical Engineering; Lighting; Heating | 64 | Expired |
| US4908298A | Method of creating patterned multilayer films for use in production of semiconductor circuits and systems | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6430885B1 | Fastened structure of siding boards | Fixed Constructions | 61 | Expired |
| US5892634A | Method and apparatus for heat positioning control in disk storage system | Physics | 59 | Expired |
| US5587785A | Laser doppler velocimeter | Emerging Cross-Sectional Technologies | 58 | Expired |
| US4559470A | Fluorescent discharge lamp | Electricity | 54 | Expired |
| US6971758B2 | Illumination device | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6449392B1 | Methods of scene change detection and fade detection for indexing of video sequences | Electricity | 53 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.