Inventor
KATO NORIYUKI
JP57 patents
⚠️ This page may combine multiple inventors who share the name “KATO NORIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
32 patentsUS9360593B2Jun 7, 2016
Polycarbonate resin, production method therefor, and optical molded body
MITSUBISHI GAS CHEMICAL CO18 citations91
US10767007B2Sep 8, 2020
Polycarbonate resin, method for producing same, and optical lens
MITSUBISHI GAS CHEMICAL CO5 citations83
US10955680B2Mar 23, 2021
Method of producing thermoplastic resin
MITSUBISHI GAS CHEMICAL CO2 citations73
US10654972B2May 19, 2020
Method for producing thermoplastic resin
MITSUBISHI GAS CHEMICAL CO2 citations73
US10605956B2Mar 31, 2020
Polycarbonate resin and optical lens
MITSUBISHI GAS CHEMICAL CO3 citations73
US10048404B2Aug 14, 2018
Polycarbonate resin and optical lens
MITSUBISHI GAS CHEMICAL CO4 citations73
US11434327B2Sep 6, 2022
Polycarbonate resin, method for producing the same, and optical lens
MITSUBISHI GAS CHEMICAL CO2 citations72
US11286342B2Mar 29, 2022
Polycarbonate resin, method for producing same, and optical lens
MITSUBISHI GAS CHEMICAL CO5 citations72
US10689486B2Jun 23, 2020
Resin produced by polycondensation, and resin composition
MITSUBISHI GAS CHEMICAL CO2 citations72
US11952460B2Apr 9, 2024
Polycarbonate resin, method for producing the same, and optical lens
MITSUBISHI GAS CHEMICAL CO0 citations62
US11440991B2Sep 13, 2022
Polycarbonate resin composition, production method therefor, and optical lens
MITSUBISHI GAS CHEMICAL CO0 citations62
US11306180B2Apr 19, 2022
Polycarbonate and molded article
MITSUBISHI GAS CHEMICAL CO0 citations62
US10962793B2Mar 30, 2021
Method of producing thermoplastic resin
MITSUBISHI GAS CHEMICAL CO0 citations62
US10556987B2Feb 11, 2020
Polycarbonate resin
MITSUBISHI GAS CHEMICAL CO1 citations62
US7541416B2Jun 2, 2009
Polycarbonate copolymer and process for producing the same
MITSUBISHI GAS CHEMICAL CO2 citations62
US12540215B2Feb 3, 2026
Method of manufacturing crystalline and amorphous forms of 6,6′-diphenyl-2,2′-bis(2-hydroxyethoxy)-1,1′-binaphthyl and thermoplastic resin therefrom
MITSUBISHI GAS CHEMICAL CO0 citations61
US12516153B2Jan 6, 2026
Thermoplastic resin, method for manufacturing same, and optical lens
MITSUBISHI GAS CHEMICAL CO0 citations61
US11732088B2Aug 22, 2023
Polyester carbonate resin and optical lens
MITSUBISHI GAS CHEMICAL CO0 citations61
US11370882B2Jun 28, 2022
Resin produced by polycondensation, and resin composition
MITSUBISHI GAS CHEMICAL CO0 citations61
US10913848B2Feb 9, 2021
Polycarbonate resin composition and optical lens using same
MITSUBISHI GAS CHEMICAL CO1 citations61
US8026336B2Sep 27, 2011
Polycarbonate resin composition and method of producing the same
MITSUBISHI GAS CHEMICAL CO4 citations61
US12570593B2Mar 10, 2026
Triarylmethane compounds
MITSUBISHI GAS CHEMICAL CO0 citations60
US11760712B2Sep 19, 2023
Triarylmethane compounds
MITSUBISHI GAS CHEMICAL CO1 citations60
US12509579B2Dec 30, 2025
Thermoplastic resin and optical lens including same
MITSUBISHI GAS CHEMICAL CO0 citations59
US12091498B2Sep 17, 2024
Resin composition, molded body, optical lens, and optical lens unit
MITSUBISHI GAS CHEMICAL CO1 citations59
US11002883B2May 11, 2021
Thermoplastic resin composition and molded article thereof
MITSUBISHI GAS CHEMICAL CO0 citations52
US10711100B2Jul 14, 2020
Dihydroxy compound
MITSUBISHI GAS CHEMICAL CO0 citations52
US9708445B2Jul 18, 2017
Polycarbonate resin usable as oil-adsorbing material
MITSUBISHI GAS CHEMICAL CO0 citations52
US9982129B2May 29, 2018
Polycarbonate resin composition, and optical material and optical lens each manufactured using same
MITSUBISHI GAS CHEMICAL CO0 citations51
US8013106B2Sep 6, 2011
Optical lens
MITSUBISHI GAS CHEMICAL CO1 citations51
US12286532B2Apr 29, 2025
Thermoplastic resin composition and optical member using same
MITSUBISHI GAS CHEMICAL CO0 citations49
US11960056B2Apr 16, 2024
Optical lens and method for manufacturing same
MITSUBISHI GAS CHEMICAL CO0 citations49
KATO NORIYUKI
4 patentsUS8058384B2Nov 15, 2011
Method for producing thermoplastic resin, polyester resin and polycarbonate resin, and their applications
KATO NORIYUKI3 citations59
US8436129B2May 7, 2013
Polycarbonate resin having ultraviolet absorbing capability, resin composition and optical material
KATO NORIYUKI0 citations50
US9274252B2Mar 1, 2016
Polycarbonate resin composition
KATO NORIYUKI1 citations48
US8877341B2Nov 4, 2014
Polycarbonate resin and optical film using the same
KATO NORIYUKI0 citations48
TEAC CORP
2 patentsISAHAYA YOSHINORI
1 patentMASUDA MASAYUKI
1 patentOTA YOSHIHIDE
1 patentSONY CORP
1 patentOMRON TATEISI ELECTRONICS CO
1 patentREUTER CHEMISCHE APPBAU E K
1 patentSUGITA SHINJI
1 patentFUJI KASEI CO LTD
1 patentTOYOTA MOTOR CO LTD
1 patentOKUMA MACHINERY WORKS LTD
1 patentKATO KENJI
1 patentMATSUMURA TAKATOSHI
1 patentShowing the top 50 of 57 patents by PatentIndex Score.