Inventor
Keisuke Kojima
Inventor
Weston, MA, US
Overview
Patents· 54 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission11%
H04LTransmission of digital information, e.g. telegraphic communication9%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
G02BOptical elements, systems or apparatus6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
B05DProcesses for applying fluent materials to surfaces, in general5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
Y10TTechnical subjects covered by former us classification5%
B82YSpecific uses or applications of nanostructures4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
PatentTitleYear
10,859,769Compact photonic devices202010,838,282Optical ring circuit with electrical filter202010,749,554System and method for short block length distribution matching202010,597,491Metal fine particle dispersant containing branched polymer compound having ammonium group202010,583,460Method for forming multilayer coating film202010,554,309Pilot-aided carrier phase estimation for optical communications202010,541,711Short block length distribution matching algorithm202010,516,503Distribution matcher201910,320,486Optical signal transmitter and optical signal encoder using constant modulus formats, and method for generating modulation codes201910,234,627Compact photonic devices201910,180,192Relief valve201910,120,132Photonic integrated circuit201810,069,519Partition based distribution matcher for probabilistic constellation shaping201810,040,965Clear coating composition20189,962,730Method for the formation of multi-layer paint films20189,917,712'Frequency domain equalizer for optical communications'20189,906,308'Methods for compensation of cross-polarization modulation (XPolM) impairments in coherent optical communications'20189,893,366'Metal fine particle association and method for producing the same'20189,806,739'Optical signal transmitter and optical communication system using constant modulus formats, and method for generating modulation codes'20179,764,536'Method of forming a multi-layer paint film'20179,749,089'Fast log-likelihood ratio (LLR) computation for decoding high-order and high-dimensional modulation schemes'20179,650,534'Primer for electroless plating comprising hyperbranched polymer and metal fine particles'20179,621,275'Method for generating constant modulus multi-dimensional modulations for coherent optical communications'20179,584,256'Adaptive error correction code for optical super-channels'20179,557,485'System and method for manipulating polarizations of optical signal'20179,533,328'Clear coating composition and method for coating automobile body'20179,473,250'System and method for recovering carrier phase in optical communications'20169,432,124'Inter-channel interference management for optical super-channels'20169,393,592'Process for forming multiple layered coating film'20169,369,204'System and method for measuring linewidth of optical signal'20169,243,084'Method for producing chlorinated hyperbranched polymer'20169,128,242'Mode-evolution compound converter'20159,116,298'Multi-mode interference device'20159,097,852'Multi-mode interference device'20159,077,508'Adaptively coding and modulating signals transmitted via nonlinear channels'20159,052,461'Compound optical combiner'20158,942,517'Multi-mode interference manipulator'20158,722,562'Metal fine particle dispersant containing branched polymer compound having ammonium group'20147,373,089'Methods and apparatus for optical data transmission over standard fiber'20087,361,407'Stain resistant coating compositions, methods of coating and coated articles'20087,320,824'Paint substitute film'20087,176,098'Semiconductor element and method for fabricating the same'20077,101,610'Paint substitute film and method of applying same'20067,068,936'Methods and apparatus for optical switching'20067,052,769'Laminate film and article having same'20066,953,729'Heterojunction field effect transistor and manufacturing method thereof'20056,814,376'Method and system for generating short pulse signals'20046,797,391'Stain resistant coating compositions, methods of coating and coated articles'20045,644,681'Learning method for neural network having discrete interconnection strengths'19975,539,762'Article comprising a semiconductor laser with carrier stopper layer'19964,999,688'Optical logic element with short switching time'19914,888,783'Semiconductor laser device'19894,847,844'Surface-emitting semiconductor laser device'19894,817,110'Semiconductor laser device'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2020Patents assigned to MITSUBISHI ELECTRIC CORP (13)· patent assignee history
1989–1991Based in Amagasaki, JP· patent location history
2004–2018Patents assigned to HONDA MOTOR CO LTD (9)· patent assignee history
2004–2020Based in Saitama, JP· patent location history
2004–2008Based in Bridgewater, NJ, US· patent location history
2014–2018Patents assigned to KOJIMA KEISUKE (7)· patent assignee history
2014–2018Based in Funabashi, JP· patent location history
2015–2016Patents assigned to MITSUBISHI ELECTRIC RES LAB (7)· patent assignee history
2015–2020Based in Weston, MA, US· patent location history
2016–2020Patents assigned to MITSUBISHI ELECTRIC RES LABORATORIES INC (19)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC RES LABORATORIES INC | 19 | 2016–2020 |
| MITSUBISHI ELECTRIC CORP | 13 | 1989–2020 |
| HONDA MOTOR CO LTD | 9 | 2004–2018 |
| KOJIMA KEISUKEself | 7 | 2014–2018 |
| MITSUBISHI ELECTRIC RES LAB | 7 | 2015–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Weston, Massachusetts, US | 26 | 2015–2020 |
| Saitama, JP | 8 | 2004–2020 |
| Funabashi, JP | 4 | 2014–2018 |
| Bridgewater, New Jersey, US | 3 | 2004–2008 |
| Amagasaki, JP | 3 | 1989–1991 |