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Inventor

Masanori Tokuhisa

Inventor
Rittou, JP

Overview

6→
Patents
1993–2008
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines40%
G03GElectrography20%
F01MLubricating of machines or engines in general10%
F01PCooling of machines or engines in general10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
7,357,107'Valve system for internal combustion engine'20087,107,953'Valve gear of an internal combustion engine'20067,007,646'Valve gear with cylinder suspending mechanism of an internal combustion engine'20066,883,484'Rocker shaft'20055,237,372'Toner quantity detecting system for an image recording apparatus, a method of detecting the quantity of toner and a developing device for the image recording apparatus'19935,221,952'Means for separating image recording medium in electrophotographic recording apparatus'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to FUJITSU LTD (2)· patent assignee history
1993Based in Kawasaki, JP· patent location history
2005–2008Patents assigned to MITSUBISHI MOTORS CORP (2)· patent assignee history
2005–2008Based in Rittou, JP· patent location history
2006–2008Patents assigned to MITSUBISHI MOTOR ENG (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI MOTOR ENG32006–2008
FUJITSU LTD21993
MITSUBISHI MOTORS CORP22005–2008
Locations
LocationPatentsSpan
Rittou, JP42005–2008
Kawasaki, JP21993