LexDanaLexDanabeta
Inventor

Keiichi Murakami

Inventor
Tokyo, JP

Overview

101→
Patents
1983–2021
Patent span
Physics
Primary field (CPC G)

Patents· 101 as inventor

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

G06Fprimary
G06FElectric digital data processing18%
G01SRadio direction-finding8%
H04MTelephonic communication8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
B41JTypewriters4%
A61BDiagnosis4%
H04NPictorial communication, e.g. television4%
B01DSeparation3%
PatentTitleYear
11,073,694Optics of wearable display using laser beam scanner202111,061,224Optics of wearable display to increase eye-box202110,730,092Pressed article manufacturing method and press mold202010,539,798Optics of wearable display devices202010,520,808Manufacturing method of diffractive optical elements201910,386,563Illuminator for a wearable display201910,312,662Optical module and optical transmission equipment20199,542,912'Information processing device and program'20179,504,002'Mobile terminal and battery saving method in mobile communication system'20169,292,308'Information-processing device and program'20169,218,788'Information-processing device and program for displaying a window group including a plurality of windows'20159,154,578'Display device with scaling of selected object images'20159,134,876'Information processing device and method for displaying a window based on a priority of the window'20159,112,994'Mobile terminal and program'20159,001,156'Information-processing device and program'20158,984,443'Dynamic soft key arrangement based on phone orientation and user preferences'20158,910,077'Information processing device and computer readable medium'20148,904,297'Method and system for providing information in virtual space'20148,896,538'Information processing device and program'20148,896,634'Information-processing device and program'20148,869,056'Information-processing device and program'20148,863,026'Device and method for displaying information on a graphical user interface'20148,843,833'Information-processing device and program'20148,825,647'Communication terminal, information management apparatus, and program'20148,769,554'Terminal device and program'20148,707,202'Information processing device and program for display and use of multiple windows'20148,661,445'Information-processing device and program'20148,626,842'Content transaction management server device, content-providing server device, and terminal device and control program'20148,584,148'Terminal device and program'20138,555,197'System and process for prioritizing overlapping windows'20138,542,192'Information processing device and program'20138,533,499'Power usage method and device that receives power from host'20138,525,854'Display device and screen display method'20138,508,657'Method for examining shooting direction of camera apparatus, device thereof and structure for installing sensor'20138,508,473'Information processing device'20138,473,009'Communication terminal and computer readable medium'20138,407,618'Displaying an operation key image to distinguish a correspondence between an operation key and a selected window'20138,396,939'Content distribution management device, terminal, program, and content distribution system'20138,386,948'Mobile communication terminal, information processing device, and program'20138,374,651'System and method for generating a graphical user interface'20138,266,529'Information processing device and display information editing method of information processing device'20128,209,324'Method and system for providing information in virtual space'20128,184,552'Communication terminal, control device, communication system, and program'20128,060,837'Information processing device and program'20117,899,973'Information processing device and program'20117,800,688'Method for examining shooting direction of camera apparatus, device thereof and structure for installing sensor'20107,716,825'Method for manufacturing printed wiring board'20107,647,075'Terminal device and program'20107,558,963'Communication device and program'20097,421,577'Communication device, control method of communication device, program and communication method'20087,401,127'Communication terminal device and program'20087,248,287'Method for examining shooting direction of camera apparatus, device thereof and structure for installing sensor'20077,172,925'Method for manufacturing printed wiring board'20077,164,857'Communication terminal and program'2007D0508189'Abrading machine'20056,916,235'Hand-held endless belt abrading machine'20056,885,360'Liquid crystal display device for use in electronic apparatus'20056,785,403'Method and system for inspecting a vehicle-mounted camera'20046,620,099'Home care system, center terminal and patient terminal'20036,508,946'Method for manufacturing ink jet recording head, ink jet recording head, and ink jet recording apparatus'20036,483,544'Image processing method and image processing apparatus for executing gradation conversion of a pixel'20026,379,571'Etching method for processing substrate, dry etching method for polyetheramide resin layer, production method of ink-jet printing head, ink-jet head and ink-jet printing apparatus'20026,247,131'Information management method and recording medium'20016,176,826'Home care system, center terminal and patient terminal'20016,110,108'Home care system, center terminal and patient terminal'20006,072,675'Control device for boring machine'20005,886,979'Information recording medium and method for recording and reproducing information to a medium to prevent unauthorized copying'1999RE036133'Hub ring and supporting plate for a filter and methods for manufacturing these members'19995,858,230'Hub ring and supporting plate for a filter'19995,857,021'Security system for protecting information stored in portable storage media'19995,829,138'Hub ring and supporting plate for a filter and methods for manufacturing these members'19985,802,717'Process for producing ink-jet head with a chemical change in the base plate surface'19985,805,800'Apparatus and method for controlling storage medium using security capabilities'19985,788,860'Method for manufacturing a supporting plate for a filter'19985,755,034'Method for manufacturing a hub ring for a filter'19985,703,630'Ink jet head manufacturing method using ion machining and ink jet head manufactured thereby'19975,677,707'Method and apparatus for displaying a plurality of images on one display image by carrying out filtering operation'19975,649,359'Ink jet head manufacturing method using ion machining and ink jet head manufactured thereby'19975,612,724'Ink jet recording head with enhanced bonding force between a heat storing layer and substrate, a method of forming the same and a recording apparatus having said recording head'19975,611,925'Hub ring and supporting plate for a filter and methods for manufacturing these members'19975,491,505'Ink jet recording head and apparatus having a protective member formed above energy generators for generating energy used to discharge ink'19965,439,554'Liquid jet recording head fabrication method'19955,388,582'Data interpolation processing apparatus'19955,353,797'Ultrasonic diagnostic apparatus'19945,228,007'Ultrasonic beam forming system'19935,224,480'Ultrasonic imaging apparatus indicating dispersion of characteristic parameter of medium'19935,215,093'Ultrasonic color doppler diagnostic apparatus'19935,187,499'Liquid jet recording head with protective layer having an ion exchanger'19935,138,187'Amplitude variable pulse generating circuit'19925,105,816'Method and system for making blood flow visible'19925,097,836'Untrasound diagnostic equipment for calculating and displaying integrated backscatter or scattering coefficients by using scattering power or scattering power spectrum of blood'19924,882,740'Frequency counter for counting a frequency and partly varied frequencies of a signal in real time'19894,836,210'Ultrasonic analyzer'19894,757,715'Apparatus for characterizing ultrasonic medium'19884,723,553'Ultrasound medium characteristics measuring apparatus'19884,655,228'Ultrasonic diagnosis apparatus for tissue characterization'19874,648,276'Apparatus for measuring the characteristics of an ultrasonic wave medium'19874,610,255'Ultrasonic non-linear parameter measuring system'19864,534,220'Apparatus for measuring the characteristics of an ultrasonic wave medium'19854,414,850'Measurement method and system utilizing ultrasonic wave'19834,413,520'Ultrasonic imaging apparatus'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2005Based in Kawasaki, JP· patent location history
1985–2021Patents assigned to MURAKAMI KEIICHI (42)· patent assignee history
1993–2021Based in Tokyo, JP· patent location history
1995–2003Based in Hachioji, JP· patent location history
1997–1999Based in Funabashi, JP· patent location history
2007–2021Patents assigned to NTT DOCOMO INC (44)· patent assignee history
2007–2014Based in Ichikawa, JP· patent location history
2011–2017Patents assigned to KAMIYA DAI (31)· patent assignee history
2011–2017Patents assigned to ONDA YASUSHI (31)· patent assignee history
2011–2017Patents assigned to KANO IZUA (30)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NTT DOCOMO INC442007–2021
MURAKAMI KEIICHIself421985–2021
KAMIYA DAI312011–2017
ONDA YASUSHI312011–2017
KANO IZUA302011–2017
Locations
LocationPatentsSpan
Tokyo, JP411993–2021
Kawasaki, JP261983–2005
Ichikawa, JP132007–2014
Hachioji, JP61995–2003
Funabashi, JP61997–1999