P

Inventor

IWASAKI HIDEHARU

JP54 patents
⚠️ This page may combine multiple inventors who share the name “IWASAKI HIDEHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KURARAY CO

37 patents
US6589904B1Jul 8, 2003

Activated carbon and method for producing it

KURARAY CO41 citations90
US6232506B1May 15, 2001

Process for producing 6-methyl-3-hepten-2-one and 6-methyl-2-heptanone analogues, and process for producing phytone or isophytol

KURARAY CO16 citations90
US5840992ANov 24, 1998

Process for producing 6-methylheptan-2-one

KURARAY CO18 citations90
US8044149B2Oct 25, 2011

Process for production of hydrogenated polymers and hydrogenated polymers

KURARAY CO15 citations84
US7608341B2Oct 27, 2009

Oxygen absorption resin composition

KURARAY CO12 citations82
US7608340B2Oct 27, 2009

Oxygen absorption resin composition

KURARAY CO14 citations82
US7396865B2Jul 8, 2008

Oxygen absorber, method for producing the same, and packaging material using the same

KURARAY CO9 citations82
US7893145B2Feb 22, 2011

Oxygen-absorbing resin composition

KURARAY CO11 citations79
US6559241B2May 6, 2003

Process for producing a hydrogenated polymer

KURARAY CO12 citations71
US5955636ASep 21, 1999

Process for producing 6-methyl-3-hepten-2-one and 6-methyl-2-heptanone analogues, and process for producing phyton or isophytol

KURARAY CO11 citations71
US5500484AMar 19, 1996

2-alkoxy- or acyloxy-2-aryl-1,3-propanediol or dioxane derivative, and process for its production

KURARAY CO6 citations71
US10984963B2Apr 20, 2021

Carbonaceous material, carbonaceous material-containing electrode material for electric double layer capacitor, electrode for electric double layer capacitor, and electric double layer capacitor

KURARAY CO2 citations70
US6239295B1May 29, 2001

Process for producing 3-methyltetrahydrofuran, and process for producing an intermediate thereof

KURARAY CO3 citations63
US5792876AAug 11, 1998

Process for producing acetals

KURARAY CO4 citations63
US5770762AJun 23, 1998

Process for producing 4-substituted-2-butenals

KURARAY CO2 citations63
US7700698B2Apr 20, 2010

Process for producing ring-opening metathesis polymer

KURARAY CO4 citations62
US12064746B2Aug 20, 2024

Mercury adsorbent and method for producing same

KURARAY CO0 citations61
US7842843B2Nov 30, 2010

Mixture containing 1,3-butadiene and process for producing the same

KURARAY CO2 citations61
US6541575B2Apr 1, 2003

Process for producing an epoxidized polymer

KURARAY CO3 citations61
US11345601B2May 31, 2022

Carbonaceous material for negative pole active substance of nonaqueous electrolyte secondary battery, negative pole for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method for producing carbonaceous material

KURARAY CO0 citations60
US7745666B2Jun 29, 2010

Method for producing aldehyde using bisphosphite and group 8-10 metal compound, and such bisphosphite

KURARAY CO3 citations60
US11634330B2Apr 25, 2023

Carbonaceous material and method for producing same

KURARAY CO0 citations59
US11581543B2Feb 14, 2023

Binder composition for non-aqueous electrolyte batteries, and binder aqueous solution for non-aqueous electrolyte batteries, slurry composition for non-aqueous electrolyte batteries, electrode for non-aqueous electrolyte batteries and non aqueous electrolyte battery each utilizing same

KURARAY CO0 citations59
US11355755B2Jun 7, 2022

Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte

KURARAY CO0 citations59
US12080890B2Sep 3, 2024

Carbonaceous material for negative electrode active material for non-aqueous electrolyte secondary batteries, non-aqueous electrolyte secondary battery negative electrode, non-aqueous electrolyte secondary battery, and production method of carbonaceous material

KURARAY CO1 citations57
US11637286B2Apr 25, 2023

Carbonaceous material for negative electrode active material for non-aqueous electrolyte secondary batteries, non-aqueous electrolyte secondary battery negative electrode, non-aqueous electrolyte secondary battery, and production method of carbonaceous material

KURARAY CO0 citations57
US11492260B2Nov 8, 2022

Carbonaceous material for negative electrode active material for non-aqueous electrolyte secondary batteries, non-aqueous electrolyte secondary battery negative electrode, non-aqueous electrolyte secondary battery, and production method of carbonaceous material

KURARAY CO0 citations57
US11551877B2Jan 10, 2023

Carbonaceous material, and electrode material for electric double layer capacitor, electrode for electric double layer capacitor and electric double layer capacitor that contain carbonaceous material

KURARAY CO0 citations55
US7491850B2Feb 17, 2009

Bisphosphite and process for producing aldehyde compound with the bisphosphite

KURARAY CO0 citations52
US7728180B2Jun 1, 2010

Method for producing ethers

KURARAY CO0 citations51
US12589354B2Mar 31, 2026

Acidic gas separation device, air purifier, air conditioner, and acidic gas concentration device

KURARAY CO0 citations50
US12368163B2Jul 22, 2025

Hardly graphitizable carbonaceous material for nonaqueous electrolyte secondary batteries fully charged to be used, method for producing same, negative electrode material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery fully charged to be used

KURARAY CO0 citations49
US10720646B2Jul 21, 2020

Non aqueous electrolyte battery binder composition, and non aqueous electrolyte battery slurry composition, non aqueous electrolyte battery negative electrode, and non aqueous electrolyte battery using same

KURARAY CO0 citations49
US10644307B2May 5, 2020

Slurry composition for non aqueous electrolyte battery electrode, and non aqueous electrolyte battery positive electrode and non aqueous electrolyte battery using same

KURARAY CO0 citations49
US10381637B2Aug 13, 2019

Carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries

KURARAY CO0 citations48
US10472239B2Nov 12, 2019

Carbonaceous material for electronic materials

KURARAY CO0 citations47
US10734650B2Aug 4, 2020

Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for producing carbonaceous material for non-aqueous electrolyte secondary battery

KURARAY CO0 citations46

KURARAY CHEMICAL KK

2 patents

TSUJI YOSHIHISA

2 patents

KUREHA CORP

2 patents

MASHIMO TSUTOMU

2 patents

TAKAI JUN

2 patents

OKUYAMA KIKUO

1 patent

SHIMIZU KAZUYA

1 patent

IWASAKI HIDEHARU

1 patent

Showing the top 50 of 54 patents by PatentIndex Score.