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Inventor

Takeshi Sassa

Inventor
Fujisawa, JP

Overview

5→
Patents
2001–2014
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines83%
F16FSprings17%
PatentTitleYear
8,899,200'Valve spring retainer for an internal combustion engine and a method of manufacturing the same'20146,341,588'Valve spring retainer and a valve operating mechanism'20026,338,325'Valve operating mechanism of an internal combustion engine'20026,311,661'Valve spring retainer and a valve operating mechanism'20016,293,240'Valve spring retainer and a valve operating mechanism'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2014Patents assigned to FUJI VALVE (5)· patent assignee history
2001–2002Based in Fujisawa, JP· patent location history
2014Patents assigned to AOKI TAKAYUKI (1)· patent assignee history
2014Patents assigned to SASSA TAKESHI (1)· patent assignee history
2014Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI VALVE52001–2014
AOKI TAKAYUKI12014
SASSA TAKESHIself12014
Locations
LocationPatentsSpan
Fujisawa, JP42001–2002
Shizuoka, JP12014