Inventor
Katsumi Emura
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission33%
H04JMultiplex communication20%
H04LTransmission of digital information, e.g. telegraphic communication20%
H04WWireless communication networks13%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%
PatentTitleYear
5,751,455'Optical transmission system and optical network terminals used therein'19985,615,036'Optical network comprising node groups and an analog repeater node unit between two node groups'19975,424,864'Microcellular mobile communication system'19955,400,391'Mobile communication system'19955,327,276'Optical local area network system and node apparatus used in the same'19945,325,382'Method and electrode arrangement for inducing flat frequency modulation response in semiconductor laser'19944,759,080'Coherent optical communication system with FSK heterodyne or homodyne detection and little influence by distortion of a modulated optical signal'19884,706,300'Optical heterodyne detection pulse receiving system and method'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1998Patents assigned to NEC CORP (8)· patent assignee history
1987–1998Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 8 | 1987–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 1987–1998 |