Norikazu Ito
72Patents
14h-index
86Co-inventors
87Inventor score
Filing activity: Aug 18, 1989 → Aug 18, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8884560B2 | Inverter device and air conditioner including the same | Emerging Cross-Sectional Technologies | 484 | Active |
| US6680959B2 | Semiconductor light emitting device and semiconductor laser | Electricity | 289 | Expired |
| US6798972B1 | Image reproducing apparatus and image reproducing method | Electricity | 62 | Expired |
| US6498894B2 | Video and/or audio data recording and/or reproduction apparatus | Physics | 51 | Expired |
| US6197609A | Method for manufacturing semiconductor light emitting device | Electricity | 35 | Expired |
| US5719985A | Apparatus for simultaneously recording and reproducing data to and from a recording medium | Physics | 29 | Expired |
| US6411770B1 | Data recording method and apparatus | Emerging Cross-Sectional Technologies | 27 | Expired |
| US8405064B2 | Nitride semiconductor device | Electricity | 25 | Active |
| US9837521B2 | Nitride semiconductor device and fabrication method therefor | Electricity | 23 | Active |
| US8093606B2 | Nitride semiconductor light emitting device | Electricity | 20 | Active |
| US6085019A | Apparatus and method for recording and reproducing video data to and from a record medium | Physics | 17 | Expired |
| US5841740A | Apparatus for recording and reproducing information data using recording region data for reproduction with audio and video data | Electricity | 15 | Expired |
| US9136757B2 | Power converter and refrigerating and air-conditioning apparatus | Emerging Cross-Sectional Technologies | 14 | Active |
| US6503816B2 | Thin film formation by inductively-coupled plasma CVD process | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6693303B2 | Nitride semiconductor device and method for manufacturing the same | Electricity | 13 | Expired |
| US6453117B1 | Imaging system | Electricity | 12 | Expired |
| US6094522A | Video data recording and reproduction apparatus having a plurality of input/output control devices | Physics | 11 | Expired |
| US5239628A | System for asynchronously generating data block processing start signal upon the occurrence of processing end signal block start signal | Physics | 9 | Expired |
| US6711344B1 | Data reproduction using time slot allocation | Physics | 8 | Expired |
| US6279055A | Data output device and data output method | Physics | 8 | Expired |
| US7266615B2 | System for controlling information processing frequency at each stage in a loop based on receiver's updated request information | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7047903B2 | Method and device for plasma CVD | Chemistry; Metallurgy | 7 | Expired |
| US6577814B1 | Video data recording and reproduction using time slot allocation | Physics | 7 | Expired |
| US6374258B1 | Data recording and reproducing apparatus and method for recording and reproducing data from a non-linear recording medium | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6349349B1 | System for linking a main control unit to data receiving and transmitting units and a first and second storage units by a network | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.