Jun Ito
227Patents
25h-index
286Co-inventors
93Inventor score
Filing activity: Jun 26, 1981 → Jun 5, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6359909B1 | Switch device for relayin G cells or packets on demand | Electricity | 158 | Expired |
| US6426512B1 | Group III nitride compound semiconductor device | Electricity | 140 | Expired |
| US5612720A | Systems for processing information and identifying individual | Physics | 129 | Expired |
| US6100545A | GaN type semiconductor device | Electricity | 125 | Expired |
| USD647053S1 | Battery charger for automobile | General | 90 | Expired |
| US7128846B2 | Process for producing group III nitride compound semiconductor | Electricity | 88 | Expired |
| US6342404B1 | Group III nitride compound semiconductor device and method for producing | Electricity | 87 | Expired |
| US6841808B2 | Group III nitride compound semiconductor device and method for producing the same | Electricity | 83 | Expired |
| US6982435B2 | Group III nitride compound semiconductor device and method for producing the same | Electricity | 82 | Expired |
| US5473120A | Multilayer board and fabrication method thereof | Electricity | 81 | Expired |
| US5535119A | Character inputting method allowing input of a plurality of different types of character species, and information processing equipment adopting the same | Physics | 62 | Expired |
| US6335217B1 | GaN type semiconductor device fabrication | Electricity | 60 | Expired |
| US5634134A | Method and apparatus for determining character and character mode for multi-lingual keyboard based on input characters | Physics | 56 | Expired |
| USD410476S | Robot | General | 49 | Expired |
| US5453762A | Systems for processing information and identifying individual | Physics | 49 | Expired |
| US5781731A | Schedule management support system | Physics | 43 | Expired |
| US6875629B2 | III group nitride based semiconductor element and method for manufacture thereof | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6500689B2 | Process for producing GaN related compound semiconductor | Electricity | 39 | Expired |
| US6379441B1 | Ink composition realizing images with excellent light resistance and ink set | Chemistry; Metallurgy | 39 | Expired |
| USD864108S1 | Holder for vehicle charging cable with connector | General | 37 | Active |
| US6589808B2 | GaN type semiconductor device | Electricity | 35 | Expired |
| USD526750S1 | Blower | General | 33 | Expired |
| US6697025B2 | Antenna apparatus | Electricity | 30 | Expired |
| US5237950A | Astride-type small boat | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US6100622A | Driving apparatus of vibration type actuator | Electricity | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.