LexDanaLexDanabeta
Inventor

Nobuo Masuoka

Inventor
Chigasaki, JP

Overview

64→
Patents
1992–2021
Patent span
Physics
Primary field (CPC G)

Patents· 64 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary
H04NPictorial communication, e.g. television19%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%
G06FElectric digital data processing10%
G11BInformation storage based on relative movement between record carrier and transducer10%
H04HBroadcast communication5%
F21VFunctional features or details of lighting devices or systems thereof3%
G02BOptical elements, systems or apparatus3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
G06VImage or video recognition or understanding3%
PatentTitleYear
11,115,715Broadcast receiving apparatus and portable information terminal202111,102,541Broadcast receiving apparatus202111,076,193Broadcast receiver and broadcast receiving system202111,026,088Communication system, communication device and communication terminal device202111,019,399Broadcast receiving apparatus202111,019,400Broadcast receiving apparatus202110,812,646Portable terminal apparatus202010,747,832Portable information terminal and application recommending method thereof202010,735,801Broadcast receiving apparatus for receiving program contents based on location information202010,715,868Broadcast receiving apparatus202010,715,858Viewing system, broadcast reception device, portable terminal, program recording and viewing method, and viewing method of recording program202010,708,647Broadcast receiving apparatus202010,699,552Lighting apparatus202010,659,833Broadcast receiver and broadcast receiving system202010,609,273Image pickup device and method of tracking subject thereof202010,547,892Broadcast receiving system202010,523,997Broadcast reception device, broadcast reception method, and broadcast reception program201910,462,278Portable terminal apparatus201910,321,038Imaging apparatus and image recording method having modes to store position information for image data201910,306,295Broadcast receiving apparatus for receiving program contents based on location information201910,295,896Display system, display device, display terminal, display method of display terminal, and control program201910,298,737Portable terminal apparatus201910,262,519Lighting apparatus201910,129,580Broadcast receiver and broadcast receiving system20189,990,109Information display terminal20189,942,483Information processing device and method using display for auxiliary light20189,743,034'Video transmitting/receiving device and video display device'20179,652,824'Display system, display device, display terminal, display method of display terminal, and control program'20179,640,144'Projector, figure input/display apparatus, portable terminal, and program'20179,591,261'Video telephone device and video telephone processing method'20179,014,668'Mobile terminal device and data sending/receiving system'20158,477,259'Liquid crystal display device'20137,967,462'Backlight assembly for liquid crystal display apparatus having inclined light emmitting elements'20117,876,553'Flat-panel display apparatus'20117,649,737'Flat panel display'20107,357,537'Light source for projector and projection type image display apparatus using thereof'20087,316,487'Projector light source and projection type image display device using the same'20087,316,482'Reflecting mirror and projection image display apparatus using the same'20087,271,783'Display device'20077,241,015'Optical unit and projection type image display unit using it'20077,232,227'Image display device'20077,212,339'Transmissive screen and rear projection type image display apparatus using same'20077,111,942'Reflection-type image projection unit and a reflection-type image display apparatus, and a light source device for use therein'20067,059,730'Back reflective mirror and back projection type video display device using the same'20067,059,725'Reflection-type image projection unit and a reflection-type image display apparatus, and a light source device for use therein'20067,009,766'Transmissive screen and rear projection type image display apparatus using same'20066,863,418'Light source for projector and projection type image display apparatus using thereof'20056,847,605'Disk cartridge'20056,796,660'Display optical unit and display apparatus using this unit'20046,711,119'Disk cartridge with a holder having disk information on it'20046,665,261'Disk cartridge'20036,595,645'Display optical unit and display apparatus using this unit'20036,577,593'Disk cartridge'20036,519,220'Disk device with eliminatable gaps'20036,510,132'Disk cartridge'20036,480,464'Disk cartridge with holder and disk information'20026,349,087'Disk cartridge with a disk holding member'20026,334,686'Display optical unit and display apparatus'20026,285,642'Disk device with vibration-insulating mechanism'20016,137,759'Removable disk drive system having a driving mechanism and removably housing a disc cartridge'20005,734,537'Tape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the same'19985,315,460'Magnetic recording and reproducing apparatus including S fixed chassis for supporting a head drum and a movable chassis for mounting a tape cassette'19945,291,351'Magnetic recording/reproducing apparatus'19945,119,257'Rotary head device having a motor within the rotary drum, and magnetic recording and reproducing apparatus using the same'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2011Patents assigned to HITACHI LTD (32)· patent assignee history
1994–1998Based in Yokohama, JP· patent location history
2000–2015Based in Chigasaki, JP· patent location history
2013–2017Patents assigned to MASUOKA NOBUO (3)· patent assignee history
2013–2015Patents assigned to HITACHI CONSUMER ELECTRONICS (2)· patent assignee history
2015–2020Patents assigned to HITACHI MAXELL (8)· patent assignee history
2017–2021Based in Osaka, JP· patent location history
2017–2019Based in Ibaraki, JP· patent location history
2018–2021Patents assigned to MAXELL LTD (25)· patent assignee history
2019–2021Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD321992–2011
MAXELL LTD252018–2021
HITACHI MAXELL82015–2020
MASUOKA NOBUOself32013–2017
HITACHI CONSUMER ELECTRONICS22013–2015
Locations
LocationPatentsSpan
Chigasaki, JP292000–2015
Kyoto, JP122019–2021
Osaka, JP112017–2021
Ibaraki, JP52017–2019
Yokohama, JP21994–1998