P

Inventor

KITAMURA AKIRA

JP46 patents
⚠️ This page may combine multiple inventors who share the name “KITAMURA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHINETSU CHEMICAL CO

28 patents
US10906992B2Feb 2, 2021

Method for producing low polymerization degree cellulose ether

SHINETSU CHEMICAL CO3 citations70
US12528885B2Jan 20, 2026

Method for producing hydroxyalkyl alkyl cellulose

SHINETSU CHEMICAL CO0 citations62
US12114683B2Oct 15, 2024

Gelling composition and food containing the same

SHINETSU CHEMICAL CO0 citations62
US11634510B2Apr 25, 2023

Water-soluble cellulose ether and method for producing the same

SHINETSU CHEMICAL CO0 citations62
US11136415B2Oct 5, 2021

Method for producing hydroxypropyl methyl cellulose

SHINETSU CHEMICAL CO0 citations62
US10723807B2Jul 28, 2020

Method for producing hydroxyalkyl alkyl cellulose

SHINETSU CHEMICAL CO1 citations62
US11365266B2Jun 21, 2022

Method for producing cellulose ether

SHINETSU CHEMICAL CO0 citations61
US11021628B2Jun 1, 2021

Coating composition containing methyl cellulose, method for producing the same, and solid preparation

SHINETSU CHEMICAL CO0 citations61
US12018098B2Jun 25, 2024

Method for producing depolymerized cellulose ether

SHINETSU CHEMICAL CO0 citations60
US12503521B2Dec 23, 2025

Hydroxypropyl methyl cellulose acetate succinate, method for producing the same, and composition for hot-melt extrusion

SHINETSU CHEMICAL CO0 citations59
US11767371B2Sep 26, 2023

Hydroxypropyl methyl cellulose acetate succinate, method for producing the same, and composition for hot-melt extrusion

SHINETSU CHEMICAL CO0 citations59
US11319384B2May 3, 2022

Method for producing hypromellose phthalate

SHINETSU CHEMICAL CO0 citations59
US11319385B2May 3, 2022

Method for producing hypromellose acetate succinate

SHINETSU CHEMICAL CO0 citations59
US10881124B2Jan 5, 2021

Method for producing alkyl cellulose

SHINETSU CHEMICAL CO0 citations58
US11879022B2Jan 23, 2024

Method for producing depolymerized cellulose ether

SHINETSU CHEMICAL CO0 citations56
US11089804B2Aug 17, 2021

Oil-in-water type composition and food using same

SHINETSU CHEMICAL CO0 citations55
US10941217B2Mar 9, 2021

Water-soluble cellulose ether and method for producing the same

SHINETSU CHEMICAL CO0 citations52
US10570217B2Feb 25, 2020

Hydroxypropyl methyl cellulose having high thermal gel strength, method for producing the same, and food containing the same

SHINETSU CHEMICAL CO0 citations52
US10696751B2Jun 30, 2020

Solid preparation containing alkyl cellulose and method for producing the same

SHINETSU CHEMICAL CO0 citations51
US10688024B2Jun 23, 2020

Cleaning composition

SHINETSU CHEMICAL CO0 citations51
US10233259B2Mar 19, 2019

Hypromellose acetate succinate, method for producing the same and composition containing the same

SHINETSU CHEMICAL CO0 citations51
US9884922B2Feb 6, 2018

Hypromellose acetate succinate, method for producing the same and composition containing the same

SHINETSU CHEMICAL CO1 citations51
US12473425B2Nov 18, 2025

Hydroxypropyl methyl cellulose phthalate, method for producing the same, and composition for hot-melt extrusion

SHINETSU CHEMICAL CO0 citations49
US11421043B2Aug 23, 2022

Method for producing sieved low-substituted hydroxypropyl cellulose

SHINETSU CHEMICAL CO0 citations47
US9926385B2Mar 27, 2018

Method for producing water-soluble cellulose ether having low degree of polymerization and method for producing film coating composition comprising same

SHINETSU CHEMICAL CO0 citations40
US10550202B2Feb 4, 2020

Hydroxyalkyl alkyl cellulose, method for producing the same, and solid preparation

SHINETSU CHEMICAL CO0 citations39
US10314786B2Jun 11, 2019

Hydroxyalkyl alkyl cellulose, method for producing the same, and solid preparation

SHINETSU CHEMICAL CO0 citations39
US10174128B2Jan 8, 2019

Method for producing purified low-substituted hydroxypropyl cellulose

SHINETSU CHEMICAL CO0 citations37

TORAY INDUSTRIES

6 patents

KITAMURA AKIRA

3 patents

TAMURA SEISAKUSHO KK

3 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

2 patents

HITACHI LTD

1 patent

OSAKA FUJI KOGYO KK

1 patent

CASIO COMPUTER CO LTD

1 patent

PANASONIC CORP

1 patent