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Inventor

Seiichiro Tokunaga

Inventor
Tokyo, JP

Overview

4→
Patents
1985–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

B60Cprimary
B60CVehicle tyres40%
A61KPreparations for medical, dental or toiletry purposes20%
A61QSpecific use of cosmetics or similar toiletry preparations20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
10,959,925Hair cosmetic composition20215,417,267'Pneumatic tires including foamed rubber layer to reduce noise'19954,619,300'Pneumatic tire tread'1986D0278218'Vehicle tire'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to BRIDGESTONE TIRE CO LTD (1)· patent assignee history
1985–2021Based in Tokyo, JP· patent location history
1986–1995Patents assigned to BRIDGESTONE CORP (2)· patent assignee history
1986Based in Higashimurayama, JP· patent location history
1995Based in Kodaira, JP· patent location history
2021Patents assigned to KAO CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRIDGESTONE CORP21986–1995
BRIDGESTONE TIRE CO LTD11985
KAO CORP12021
Locations
LocationPatentsSpan
Tokyo, JP21985–2021
Kodaira, JP11995
Higashimurayama, JP11986