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Inventor

Naoya Ishihara

Inventor
Kanagawa, JP

Overview

3→
Patents
2011–2017
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines38%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels13%
B23PMetal-working not otherwise provided for13%
F16DCouplings for transmitting rotation13%
F16KValves13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
9,611,953'Hollow poppet valve'20178,505,508'Phase varying device for engine'20137,992,531'Phase varying apparatus for engine'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011Patents assigned to NITTAN VALUE CO LTD (1)· patent assignee history
2011–2017Based in Kanagawa, JP· patent location history
2013–2017Patents assigned to NITTAN VALVA (2)· patent assignee history
2013Patents assigned to ISHIHARA NAOYA (1)· patent assignee history
2013Patents assigned to KAMEDA MICHIHIRO (1)· patent assignee history
2013Patents assigned to NAGADO MASAYASU (1)· patent assignee history
2013Based in Hadano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NITTAN VALVA22013–2017
ISHIHARA NAOYAself12013
KAMEDA MICHIHIRO12013
NAGADO MASAYASU12013
NITTAN VALUE CO LTD12011
Locations
LocationPatentsSpan
Kanagawa, JP22011–2017
Hadano, JP12013