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 patentsUS6589904B1Jul 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 patentsUS7759289B2Jul 20, 2010
Activated carbon, method for production thereof, polarizing electrode and electrical double layer capacitor
KURARAY CHEMICAL KK10 citations83
US7709415B2May 4, 2010
Method for manufacturing activated carbon, polarizable electrode, and electric double-layered capacitor
KURARAY CHEMICAL KK16 citations81
TSUJI YOSHIHISA
2 patentsKUREHA CORP
2 patentsUS9508494B2Nov 29, 2016
Carbonaceous material for negative electrodes of lithium ion capacitors and method for producing same
KUREHA CORP0 citations49
US9478805B2Oct 25, 2016
Carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries and method for producing same
KUREHA CORP0 citations47
MASHIMO TSUTOMU
2 patentsUS9302917B2Apr 5, 2016
Low valence titanium oxides and method of producing the same
MASHIMO TSUTOMU0 citations46
US8551363B2Oct 8, 2013
Method of producing group II-VI compound semiconductor, method of producing group II-VI compound semiconductor phosphor, and hexagonal group II-VI compound semiconductor
MASHIMO TSUTOMU0 citations45
TAKAI JUN
2 patentsOKUYAMA KIKUO
1 patentSHIMIZU KAZUYA
1 patentIWASAKI HIDEHARU
1 patentShowing the top 50 of 54 patents by PatentIndex Score.