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Inventor

Hiroaki Tsukiji

Inventor
Yokohama, JP

Overview

2→
Patents
2012
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A47Cprimary
A47CChairs100%
PatentTitleYear
8,251,454'Backrest of the chair and adaptation device for the same'20128,191,970'Backrest device in a chair'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to OKAMURA CORP (2)· patent assignee history
2012Patents assigned to TSUKIJI HIROAKI (2)· patent assignee history
2012Patents assigned to HARA EISUKE (1)· patent assignee history
2012Patents assigned to IGARASHI RYO (1)· patent assignee history
2012Patents assigned to MASUNAGA HIROSHI (1)· patent assignee history
2012Based in Yokohama, JP· patent location history
2012Based in Yokosuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OKAMURA CORP22012
TSUKIJI HIROAKIself22012
HARA EISUKE12012
IGARASHI RYO12012
MASUNAGA HIROSHI12012
Locations
LocationPatentsSpan
Yokohama, JP12012
Yokosuka, JP12012