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Inventor

SATOSHI HAMATANI

Inventor
JP

Overview

2→
Patents
2022–2023
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B60Cprimary
B60CVehicle tyres22%
C07CAcyclic or carbocyclic compounds22%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients22%
C08LCompositions of macromolecular compounds22%
Y02TClimate change mitigation technologies related to transportation11%
PatentTitleYear
11,708,480Rubber composition, tire, additive and hydrazide compound202311,339,272Additive for rubber, rubber composition, and tire using the same2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to OTSUKA CHEMICAL CO LTD (2)· patent assignee history
2022Patents assigned to BRIDGESTONE CORP (1)· patent assignee history
2022–2023Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OTSUKA CHEMICAL CO LTD22022–2023
BRIDGESTONE CORP12022
Locations
LocationPatentsSpan
JP22022–2023