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Inventor

Nobutaka Hayashi

Inventor
Kanagawa, JP

Overview

5→
Patents
1985–2002
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 engines67%
H04NPictorial communication, e.g. television17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
6,467,443'Valve operating device of internal combustion engine'20025,975,036'Variable valve actuation apparatus'19995,794,576'Engine cylinder valve controlling apparatus'19985,743,224'Valve lifter surface and processing method thereof'19984,523,236'Video signal recording and reproducing apparatus, including means for discriminating the mode of multiplexing of an audio signal'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to SANYO ELECTRIC CO (1)· patent assignee history
1985Based in Osaka, JP· patent location history
1998–2002Patents assigned to UNISIA JECS CORP (4)· patent assignee history
1998–2002Based in Kanagawa, JP· patent location history
1998Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNISIA JECS CORP41998–2002
SANYO ELECTRIC CO11985
Locations
LocationPatentsSpan
Kanagawa, JP31998–2002
Atsugi, JP11998
Osaka, JP11985