Inventor
Masanori Oguino
Inventor
Yokohama, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television52%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
H01JElectric discharge tubes or discharge lamps13%
B82YSpecific uses or applications of nanostructures4%
G02BOptical elements, systems or apparatus4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H03KPulse technique4%
H04HBroadcast communication4%
PatentTitleYear
4,897,581'Horizontal deflection circuit'19904,895,429'Rear projection apparatus'19904,814,671'Convergence circuit'19894,731,838'AGC circuit used in a CATV receiver'19884,729,031'Coupling system for image projection'19884,720,744'Television system'19884,609,945'Video projection apparatus with temperature compensation device'19864,576,442'Image projection apparatus'19864,536,056'Rear projection apparatus'19854,531,812'Rear projection screen'19854,432,010'Rear projection apparatus'19844,416,002'Method and apparatus for high-density recording and reproduction'19834,412,253'Automatic noise removal device for a picture signal'19834,368,354'Discriminator apparatus for detecting the presence of a signal by using a differential beat signal having an inaudible frequency'19834,322,746'Crosstalk attenuator system'19824,121,252'Automatic brightness limiter circuit'19784,021,843'Color tone control device in color television receiver'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1990Patents assigned to HITACHI LTD (17)· patent assignee history
1977–1990Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 17 | 1977–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 17 | 1977–1990 |