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Inventor

Iwao Shigeoka

Inventor
Tokyo, JP

Overview

2→
Patents
2002–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

F16Fprimary
F16FSprings40%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material20%
B24CAbrasive or related blasting with particulate material20%
B60GVehicle suspension arrangements20%
PatentTitleYear
9,278,387'Method for manufacturing leaf springs'20166,460,835'Wheel suspension system and spring therefor'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2016Patents assigned to NHK SPRING CO LTD (2)· patent assignee history
2002Based in Yokohama, JP· patent location history
2016Patents assigned to GOTO YURIKA (1)· patent assignee history
2016Patents assigned to INOGUCHI SHINICHI (1)· patent assignee history
2016Patents assigned to KATO TADAKAZU (1)· patent assignee history
2016Patents assigned to KURIMOTO KIYOSHI (1)· patent assignee history
2016Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NHK SPRING CO LTD22002–2016
GOTO YURIKA12016
INOGUCHI SHINICHI12016
KATO TADAKAZU12016
KURIMOTO KIYOSHI12016
Locations
LocationPatentsSpan
Tokyo, JP12016
Yokohama, JP12002