Inventor

SAKURAGI TSUTOMU

JP11 patents

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

JAPAN POLYETHYLENE CORP

8 patents

US10633471B2Apr 28, 2020

Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst

JAPAN POLYETHYLENE CORP9 citations81

US9975972B2May 22, 2018

Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst

JAPAN POLYETHYLENE CORP2 citations70

US11485808B2Nov 1, 2022

Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization

JAPAN POLYETHYLENE CORP0 citations61

US10919994B2Feb 16, 2021

Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization

JAPAN POLYETHYLENE CORP0 citations61

US11643485B2May 9, 2023

Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst

JAPAN POLYETHYLENE CORP0 citations59

US10995167B2May 4, 2021

Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization

JAPAN POLYETHYLENE CORP0 citations50

US10005864B2Jun 26, 2018

Metallocene compound, catalyst for olefin polymer, method for producing olefin polymer, and olefin polymer

JAPAN POLYETHYLENE CORP0 citations44

US9783625B2Oct 10, 2017

Metallocene compound, catalyst for olefin polymer, method for producing olefin polymer, and olefin polymer

JAPAN POLYETHYLENE CORP0 citations44

JAPAN POLYOLEFINS CO LTD

2 patents

US6121182ASep 19, 2000

Polyolefin production catalyst and method of preparing polyolefins

JAPAN POLYOLEFINS CO LTD52 citations92

US6303714B1Oct 16, 2001

Catalyst component for olefin polymerization catalyst for olefin polymerization, and process for preparing polyolefin

JAPAN POLYOLEFINS CO LTD6 citations58

ISHIHAMA YOSHIYUKI

1 patent

US9309340B2Apr 12, 2016

Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst

ISHIHAMA YOSHIYUKI18 citations86