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Inventor

Shigeki Takeuchi

Inventor
Sapporo, JP

Overview

27→
Patents
1991–2018
Patent span
Physics
Primary field (CPC G)

Patents· 27 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication20%
G06FElectric digital data processing16%
G11BInformation storage based on relative movement between record carrier and transducer14%
H04BTransmission9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
G03GElectrography5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
H04NPictorial communication, e.g. television5%
C09KMaterials for miscellaneous applications, not provided for elsewhere2%
F24DDomestic- or space-heating systems, e.g. central heating systems2%
PatentTitleYear
10,094,611Heat medium circulation device20189,886,188'Manipulating multiple objects in a graphic user interface'20189,836,723Exchanging messages during a chat session20179,513,767'Displaying posts in real time along axes on a computer screen'20169,330,267'Filtering confidential information in voice and image data'20168,913,744'Filtering confidential information in voice and image data'20148,528,050'Instant messagings'20138,270,841'Quantum communication apparatus, quantum communication system and quantum communication method'20128,176,315'Gateway device, controlling method of the same, and program record medium storing controlling method'20128,064,646'Technique for authenticating an object on basis of features extracted from the object'20117,841,013'Image forming device, computer program, and data file'20107,707,402'Quantum cipher communication system'20107,211,812'Entangled photon pair generating apparatus'20077,088,824'Single-photon-emission apparatus'20067,049,574'Generator for producing photon number state'20066,654,320'Optical pickup apparatus'20036,441,832'Hierarchical processing apparatus and hierarchical processing method for video and audio data'20026,421,488'Photon beam generator'20026,057,944'Image scanning device'20005,978,614'Image scanning apparatus with light source condition testing'19995,978,344'Method of manufacturing integrated optical pick-up'19995,790,502'Optical pickup with conversion of diffusion angle of outgoing light relative to diffusion angle of incident light'19985,783,818'Integrated type optical pickup having packaging with gas-tight seal'19985,777,975'Optical pickup incorporating an integrated optical guide member'19985,443,922'Organic thin film electroluminescence element'19955,278,014'Electrophotographic photoreceptor'19945,013,625'Photoreceptor'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1995Patents assigned to KONISHIROKU PHOTO IND (3)· patent assignee history
1991–1995Based in Hachioji, JP· patent location history
1998–2003Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history
1998–2003Based in Yamaga, JP· patent location history
1999–2012Patents assigned to MURATA MACHINERY LTD (4)· patent assignee history
2006–2012Based in Sapporo, JP· patent location history
2011–2018Patents assigned to TAKEUCHI SHIGEKI (8)· patent assignee history
2011–2018Patents assigned to IBM (5)· patent assignee history
2014–2016Based in Tokyo, JP· patent location history
2017–2018Based in Yamato, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAKEUCHI SHIGEKIself82011–2018
IBM52011–2018
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51998–2003
MURATA MACHINERY LTD41999–2012
KONISHIROKU PHOTO IND31991–1995
Locations
LocationPatentsSpan
Sapporo, JP52006–2012
Yamaga, JP51998–2003
Tokyo, JP32014–2016
Hachioji, JP31991–1995
Yamato, JP22017–2018