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Inventor

Kenichiro Hirao

Inventor
Tokyo, JP

Overview

5→
Patents
2013–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification29%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels21%
F01LCyclically operating valves for machines or engines21%
B23PMetal-working not otherwise provided for14%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling14%
PatentTitleYear
10,526,933Hollow engine valve and manufacturing method therefor20209,427,795'Method for producing a hollow engine valve'20169,302,317'Method for manufacturing hollow engine valve'20168,827,608'Tool tight-contact-state detector for machine tool'20148,561,290'Work line module and work facility'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2016Patents assigned to HIRAO KENICHIRO (3)· patent assignee history
2013–2016Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history
2013–2014Patents assigned to FUJIMURA NORITAKA (2)· patent assignee history
2013–2014Based in Ritto, JP· patent location history
2016–2020Patents assigned to FUJI HOLLOW VALVE INC (2)· patent assignee history
2016Patents assigned to YOSHIMURA CO (2)· patent assignee history
2016–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HIRAO KENICHIROself32013–2016
MITSUBISHI HEAVY IND LTD32013–2016
FUJI HOLLOW VALVE INC22016–2020
FUJIMURA NORITAKA22013–2014
YOSHIMURA CO22016
Locations
LocationPatentsSpan
Tokyo, JP32016–2020
Ritto, JP22013–2014