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Inventor

Yoshinari Iwai

Inventor
Kai, JP

Overview

2→
Patents
2005–2019
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.

B21Hprimary
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls25%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels25%
B60TVehicle brake control systems or parts thereof25%
F16DCouplings for transmitting rotation25%
PatentTitleYear
10,247,269Piston manufacturing device, piston manufacturing method, piston and disc brake20196,935,112'Master cylinder'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to HITACHI LTD (1)· patent assignee history
2005Based in Yamanashi, JP· patent location history
2019Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (1)· patent assignee history
2019Based in Kai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI AUTOMOTIVE SYSTEMS LTD12019
HITACHI LTD12005
Locations
LocationPatentsSpan
Kai, JP12019
Yamanashi, JP12005