Inventor
Yoshihisa Inada
Inventor
Tokyo, JP
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission39%
H04JMultiplex communication17%
H04LTransmission of digital information, e.g. telegraphic communication17%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
H03MCoding5%
G02BOptical elements, systems or apparatus3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
G06NComputing arrangements based on specific computational models3%
H04QSelecting3%
G06FElectric digital data processing2%
PatentTitleYear
11,095,388Optical amplification device and light amplification method202111,082,144Optical transmission system, method for analyzing thereof, terminal station device, and management device202110,833,770Optical fiber nonlinearity compensation using neural networks202010,708,094Transmission filtering using machine learning202010,581,2163D waveguide for efficient coupling of multimode pump and signals to a multicore fiber amplifier202010,401,564Fiber nonlinearity mitigation using strong mode coupling and large modal delay201910,382,138Constellation optimization based on generalized mutual information over a nonlinear optical channel201910,374,632Low density parity check coded modulation for optical communications201910,340,649C-band and L band amplifier design with increased power efficiency and reduced complexity201910,236,989Data transport using pairwise optimized multi-dimensional constellation with clustering201910,230,483Optical transmission system, method for analyzing thereof, terminal station device, and management device201910,038,515Optical communication device, optical communication system and optical transmission method20189,819,530'Constellation designs with non-gray bit mapping'20179,813,157'Mitigation of multi-path interference from quasi-single-mode fiber using hybrid span configuration and digital signal processing'20179,722,700'Wavelength division multiplexing system and method including wavelength monitoring'20179,680,598'Wavelength division multiplexing optical transmission apparatus and wavelength division multiplexing optical transmission method'20179,450,715'Method and system for modulation-independent carrier phase recovery'20169,419,744'Polarization multiplexing optical transmitter and operation control method'20169,337,923'Optical spectral shaping for nonlinearity enhancement in high speed digital coherent optical transmissions'20169,337,868'Iterative decoding for cascaded LDPC and TCM coding'20169,203,519'Pair-wise symbol correlated high receiver sensitivity modulation format'20159,130,679'Polarization-switched differential ternary phase-shift keying'20159,077,484'Generation of polarization-alternated QPSK format'20158,917,998'Polarization switching for optical fiber communications'20148,873,953'Multiple-symbol polarization switching for differential-detection modulation formats'20148,787,709'Polarization-alternating optical signal generation using CSRZ modulation'20148,131,161'DPSK optical receiver'20127,689,082'Optical fiber transmission line for wavelength division multiplexing signals'20106,920,261'Cross phase modulation suppressing device in wavelength division multiplexing optical transmission system and optical communication system'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2021Patents assigned to NEC CORP (26)· patent assignee history
2005–2021Based in Tokyo, JP· patent location history
2012–2015Patents assigned to INADA YOSHIHISA (4)· patent assignee history
2014–2020Patents assigned to NEC LAB AMERICA INC (20)· patent assignee history
2014–2015Patents assigned to AOKI YASUHIRO (3)· patent assignee history
2014–2015Patents assigned to OGATA TAKAAKI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 26 | 2005–2021 |
| NEC LAB AMERICA INC | 20 | 2014–2020 |
| INADA YOSHIHISAself | 4 | 2012–2015 |
| AOKI YASUHIRO | 3 | 2014–2015 |
| OGATA TAKAAKI | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 29 | 2005–2021 |