P

Inventor

HATA KAZUHIKO

26 patents
⚠️ This page may combine multiple inventors who share the name “HATA KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON SUISAN KAISHA LTD

11 patents
US5840944ANov 24, 1998

Method to produce highly pure eicosapentaenoic acid or its ester

NIPPON SUISAN KAISHA LTD198 citations98
US5215630AJun 1, 1993

Method of purifying eicosapentaenoic acid or the ester derivative thereof by fractional distillation

NIPPON SUISAN KAISHA LTD170 citations97
US6905850B2Jun 14, 2005

Process for the production of glycerides with lipases

NIPPON SUISAN KAISHA LTD20 citations88
US9540306B2Jan 10, 2017

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

NIPPON SUISAN KAISHA LTD4 citations82
US12331015B2Jun 17, 2025

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

NIPPON SUISAN KAISHA LTD0 citations60
US11603347B2Mar 14, 2023

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

NIPPON SUISAN KAISHA LTD0 citations60
US11034643B2Jun 15, 2021

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

NIPPON SUISAN KAISHA LTD0 citations60
US6737460B2May 18, 2004

Vinyl monomers having polyenic side chains derived from highly unsaturated fatty acids and derivatives thereof, and polymers of said monomers

NIPPON SUISAN KAISHA LTD0 citations51
US10399922B2Sep 3, 2019

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

NIPPON SUISAN KAISHA LTD0 citations50
US10399923B2Sep 3, 2019

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same

NIPPON SUISAN KAISHA LTD0 citations50
US7651720B2Jan 26, 2010

EPA and/or DHA-containing acidic milks

NIPPON SUISAN KAISHA LTD1 citations45

SUMITOMO CHEMICAL CO

8 patents

FUJITSU LTD

5 patents

DOISAKI NOBUSHIGE

1 patent

HATA KAZUHIKO

1 patent