Hitachi Consumer Electronics Co., Ltd.
374Patents
351Active
374Granted
58Portfolio score
Filing activity: Sep 28, 1989 → Mar 4, 2015 · 159 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8320119B2 | Image display | Electricity | 104 | Active |
| USD692473S1 | Camera for projector | General | 49 | Active |
| US7970058B2 | Moving picture encoding method and decoding method | Electricity | 30 | Active |
| US8531059B2 | Wireless power transfer system and a load apparatus in the same wireless power transfer system | Electricity | 27 | Active |
| US8662678B2 | Solid-state light source device | Physics | 24 | Active |
| US5251805A | Wire bonding method and apparatus | Electricity | 18 | Expired |
| US5348590A | Surface treating agent for copper or copper alloys | Electricity | 18 | Expired |
| US8477259B2 | Liquid crystal display device | Physics | 16 | Active |
| USD683782S1 | Projector | General | 16 | Active |
| US5450423A | Data error correcting/detecting system and apparatus compatible with different data bit memory packages | Physics | 15 | Expired |
| US8036272B2 | Moving picture encoding method and decoding method | Electricity | 15 | Active |
| US8334933B2 | Television operation method | Electricity | 14 | Active |
| US5749093A | Enhanced information processing system using cache memory indication during DMA accessing | Physics | 13 | Expired |
| USD639076S1 | Mirror for projector | General | 13 | Expired |
| USD680150S1 | Projector | General | 13 | Active |
| USD636426S1 | Video projector | General | 12 | Expired |
| US8576677B2 | Optical signal detecting circuit and information reproducing device using the same | Physics | 12 | Active |
| USD627386S1 | Video projector | General | 11 | Expired |
| US9330704B2 | Optical information recording device, optical information recording and reproducing device, optical information recording method, optical information recording and reproducing method, and optical element | Physics | 11 | Active |
| US5391900A | Integrated circuit having power trunk line and method for layout of power trunk line | Electricity | 11 | Expired |
| USD627387S1 | Video projector | General | 11 | Expired |
| US5002217A | Bonding method and bonding apparatus | Electricity | 11 | Expired |
| US8484299B2 | Content delivery system, delivery server, receiving terminal, and content delivery method | Electricity | 11 | Active |
| US8711936B2 | Method of and apparatus for recording motion picture, which generate encoded data with higher compression efficiency using a motion vector similarity | Electricity | 9 | Active |
| US8599244B2 | Imaging apparatus capable of switching display methods | Electricity | 9 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.