Inventor
Kohei Mandai
Inventor
Tokyo, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission19%
H04JMultiplex communication14%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
G02BOptical elements, systems or apparatus10%
H05KPrinted circuits10%
Y10TTechnical subjects covered by former us classification10%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for5%
G06TImage data processing or generation, in general5%
H04LTransmission of digital information, e.g. telegraphic communication5%
H04NPictorial communication, e.g. television5%
PatentTitleYear
10,972,639In-vehicle device20219,046,653'PDL compensator optical device, and PDL compensation method'20158,712,255'Optical receiver and optical transfer apparatus'20148,638,823'Sending apparatus, receiving apparatus, and transmission system'20148,483,573'Optical transmission and reception system, and optical receiver'20138,417,126'Polarization multiplexing transmitter and transmission system'20138,340,533'Optical balanced receiver and IQ receiver with balanced compensation'20125,539,976'System for manufacture of hybrid integrated circuit'19965,528,825'Method of manufacture of hybrid integrated circuit'19965,243,192'Infrared sensor'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1996Patents assigned to SONY CORP (3)· patent assignee history
1993–2021Based in Tokyo, JP· patent location history
2012–2015Patents assigned to HITACHI LTD (6)· patent assignee history
2012–2014Patents assigned to MANDAI KOHEI (5)· patent assignee history
2012–2013Patents assigned to KIKUCHI NOBUHIKO (3)· patent assignee history
2014Patents assigned to FUKASHIRO YASUYUKI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 2012–2015 |
| MANDAI KOHEIself | 5 | 2012–2014 |
| KIKUCHI NOBUHIKO | 3 | 2012–2013 |
| SONY CORP | 3 | 1993–1996 |
| FUKASHIRO YASUYUKI | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 1993–2021 |