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Inventor

Akio Akasaka

Inventor
Kanagawa, JP

Overview

9→
Patents
1989–1997
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines44%
F02FCylinders, pistons or casings, for combustion engines22%
F02BInternal-combustion piston engines11%
F02DControlling combustion engines6%
F16DCouplings for transmitting rotation6%
G10KSound-producing devices6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
5,655,499'Decompression braking apparatus for diesel engine'19975,447,126'Variabe cam phaser for internal combustion engine'19955,203,291'Valve timing control system for internal combustion engine'19935,040,499'Intake- and/or exhaust-valve timing control system for internal combustion engines'19915,018,202'Electronic noise attenuation system'19915,012,773'Intake- and/or exhaust-valve timing control system for internal combustion engine'19914,996,955'Intake- and/or exhaust-valve timing control system for internal combustion engines'19914,960,084'Valve timing control system for internal combustion engine'19904,811,698'Valve timing adjusting mechanism for internal combustion engine for adjusting timing of intake valve and/or exhaust valve corresponding to engine operating conditions'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to ATSUGI MOTOR PARTS CO LTD (2)· patent assignee history
1989–1991Based in Kanagawa, JP· patent location history
1990–1993Patents assigned to ATSUGI UNISIA CORP (4)· patent assignee history
1991Patents assigned to HAMADA HAREO (1)· patent assignee history
1991Patents assigned to HITACHI PLANT ENG & CONSTR CO (1)· patent assignee history
1991Based in Tokyo, JP· patent location history
1993–1997Based in Atsugi, JP· patent location history
1995–1997Patents assigned to UNISIA JECS CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ATSUGI UNISIA CORP41990–1993
ATSUGI MOTOR PARTS CO LTD21989–1991
UNISIA JECS CORP21995–1997
HAMADA HAREO11991
HITACHI PLANT ENG & CONSTR CO11991
Locations
LocationPatentsSpan
Kanagawa, JP51989–1991
Atsugi, JP31993–1997
Tokyo, JP11991