Inventor · disambiguated record
Akihiko Nakajima
Also filed as: NAKAJIMA AKIHIKO
21 granted patents·1 pending application·469 citations·filing 1986–2023
96Inventor score
Files withDAI ICHI KOGYO SEIYAKU CO LTD6MITSUI TOATSU CHEMICALS5KANEKA CORP4KANEGAFUCHI CHEMICAL IND3MITSUI CHEMICALS INC2
Top patents by PatentIndex Score
22 records- 0191US6632993B2Photovoltaic moduleKANEKA CORP·Filed 2001·Granted Oct 14, 2003·70 cites·9 claims
- 0287US10920482B2Glass building materialKANEKA CORP·Filed 2017·Granted Feb 16, 2021·10 cites·14 claims
- 0386US6388301B1Silicon-based thin-film photoelectric deviceKANEKA CORP·Filed 1999·Granted May 14, 2002·86 cites·12 claims
- 0478US4996309AProcess for preparing sucrose fatty acid ester powderDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted Feb 26, 1991·27 cites·23 claims
- 0576US5011922AProcess for purifying sucrose fatty acid estersDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted Apr 30, 1991·23 cites·25 claims
- 0674US4995911AProcess for recovering unreacted sucrose from reaction mixture in synthesis of sucrose fatty acid estersDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted Feb 26, 1991·21 cites·10 claims
- 0773US6297443B1Thin film photoelectric transducerKANEKA CORP·Filed 1998·Granted Oct 2, 2001·44 cites·11 claims
- 0871US5891962ATransparent, rubber-modified styrene resin and production process thereofMITSUI CHEMICALS INC·Filed 1995·Granted Apr 6, 1999·29 cites·15 claims
- 0970US5017697AProcess for purifying sucrose fatty acid esters having high HLBDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted May 21, 1991·17 cites·25 claims
- 1066US5250120APhotovoltaic deviceKANEGAFUCHI CHEMICAL IND·Filed 1991·Granted Oct 5, 1993·27 cites·8 claims
- 1163US4729772ASeparation method of polymer powder and carrier gasMITSUI TOATSU CHEMICALS·Filed 1986·Granted Mar 8, 1988·21 cites·4 claims
- 1258US2025127437A1System and method for measuring concentration of component included in body fluidATONARP INC·Filed 2023·Application pending·0 cites
- 1356US5311340ALiquid crystal display device having compensator and thin film with maximum refractive index parallel and perpendicular to compensator, respectivelyKANEGAFUCHI CHEMICAL IND·Filed 1993·Granted May 10, 1994·20 cites·5 claims
- 1456US4742131AMethod of controlling polymerization temperatureMITSUI TOATSU CHEMICALS·Filed 1986·Granted May 3, 1988·14 cites·4 claims
- 1551US5901383ASupport structure for a toilet cover unitTOTO LTD·Filed 1994·Granted May 11, 1999·22 cites·13 claims
- 1648US6060564AAcrylonitrile (co)polymerization while regulating temperature of vapor phaseMITSUI CHEMICALS INC·Filed 1995·Granted May 9, 2000·9 cites·8 claims
- 1744US5473014ARubber modified styrenic resin composition having high gloss and impact strengthMITSUI TOATSU CHEMICALS·Filed 1993·Granted Dec 5, 1995·7 cites·6 claims
- 1844US5008387AProcess for purifying sucrose fatty acid estersDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted Apr 16, 1991·4 cites·19 claims
- 1941US5506304AProcess for continuously preparing rubber modified styrene resinsMITSUI TOATSU CHEMICALS·Filed 1994·Granted Apr 9, 1996·8 cites·18 claims
- 2041US5144022AMethod of producing powdery high hlb sugar fatty acid esterDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1990·Granted Sep 1, 1992·3 cites·20 claims
- 2135US5552494AQuality control method for ABS-based resin and molding of the ABS-based resinMITSUI TOATSU CHEMICALS·Filed 1994·Granted Sep 3, 1996·5 cites·35 claims
- 2231US5382787APhotoconductive materialKANEGAFUCHI CHEMICAL IND·Filed 1992·Granted Jan 17, 1995·2 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Akihiko Nakajima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →