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Inventor

Natsuyo KAMIMOTO

Inventor
JP

Overview

3→
Patents
2023–2025
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients25%
C08LCompositions of macromolecular compounds25%
B60CVehicle tyres17%
C07CAcyclic or carbocyclic compounds8%
C07DHeterocyclic compounds8%
C08CTreatment or chemical modification of rubbers8%
Y02TClimate change mitigation technologies related to transportation8%
PatentTitleYear
12,275,836Sulfanyl sulfonic acid compound, viscoelastic modifier, rubber composition, and vulcanized rubber production method202511,760,864Trisulfide compound202311,692,088Rubber composition2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to SUMITOMO CHEMICAL CO (2)· patent assignee history
2023–2025Based in JP· patent location history
2025Patents assigned to OTSUKA CHEMICAL CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO22023
OTSUKA CHEMICAL CO LTD12025
Locations
LocationPatentsSpan
JP32023–2025