Inventor
Shuntaro Yamazaki
Inventor
Tokyo, JP
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission33%
H04WWireless communication networks10%
G06TImage data processing or generation, in general8%
G01SRadio direction-finding6%
H04LTransmission of digital information, e.g. telegraphic communication6%
B25JManipulators4%
G05DSystems for controlling or regulating non-electric variables4%
H03JTuning resonant circuits4%
H04JMultiplex communication4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,006,989Disabling robot sensors20189,625,571'Disabling robot sensors'20179,287,729'Secondary battery state management system, battery charger, secondary battery state management method, and electrical characteristics measurement method'20167,633,511'Pop-up light field'20097,567,246'Image processing apparatus, image processing method, and image processing program'20097,486,635'Network service information providing system and network service information providing apparatus and method and terminal thereof'20097,333,104'Method and program of converting three-dimensional shape data into cell internal data'20087,158,769'Device and method for alerting user to interference'20077,158,131'Implicit function rendering method of nonmanifold, direct drawing method of implicit function curved surface and programs thereof'20077,020,461'Propagation environment notification methods and notification systems in radio communication systems, and record media recording control programs thereof'20067,013,150'Positioning system, positioning server, base station and terminal location estimation method'20066,950,408'Speed converter for IEEE-1394 serial bus network'20056,678,477'Spatial transmission optical transceiver'20046,025,945'Optical transmitter/receiver and a network using such optical transmitter/receivers'20005,896,213'Optical fiber network system'19995,872,644'Fiber-optic access system for subscriber optical communication'19995,764,394'Interface device'19985,600,469'Optical network unit implemented with low-cost line interface cards'19975,442,476'Optical communication method'19955,191,457'WDM optical communication wherein optical beams are modulated by channel discrimination signals of different frequencies by data signals'19935,046,140'Automatic optical frequency acquisition and tracking apparatus for optical coherent communication system'19915,031,998'Polarization control on signal beams for principal-state bidirectional transmission through an optical fiber'19915,023,946'Polarization diversity optical heterodyne receiver with phase adjustment of two I.F. signals for control of a local optical source'19915,013,116'Polarization control of bidirectionally transmitted beams by a single polarization controller'19915,007,693'Method for controlling polarizations of signal lights in an optical frequency division multiplex coherent communication system'19914,912,527'Optical apparatus for pulling an intermediate frequency in a predetermined frequency range'19904,903,342'Optical heterodyne homodyne detection apparatus'19904,700,352'FSK laser transmitting apparatus'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2016Patents assigned to NEC CORP (22)· patent assignee history
1987–2018Based in Tokyo, JP· patent location history
2007–2008Patents assigned to RIKEN (2)· patent assignee history
2007–2008Based in Wako, JP· patent location history
2007Based in Minato-ku, JP· patent location history
2009Patents assigned to MICROSOFT CORP (1)· patent assignee history
2016Patents assigned to INOUE AKIRA (1)· patent assignee history
2016Patents assigned to NYU TAKAYUKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 22 | 1987–2016 |
| RIKEN | 2 | 2007–2008 |
| INOUE AKIRA | 1 | 2016 |
| MICROSOFT CORP | 1 | 2009 |
| NYU TAKAYUKI | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 25 | 1987–2018 |
| Wako, JP | 2 | 2007–2008 |
| Minato-ku, JP | 1 | 2007 |