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Inventor

Yukio Ozawa

Inventor
Torrance, CA, US

Overview

7→
Patents
1977–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

F16Kprimary
F16KValves18%
H05KPrinted circuits18%
Y10TTechnical subjects covered by former us classification18%
B63HMarine propulsion or steering9%
F16JPistons9%
G01FMeasuring volume, volume flow, mass flow or liquid level9%
H04QSelecting9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
PatentTitleYear
10,869,411Cooling system for rackmounted electronic equipment having independent evaporator and condenser airflows202010,292,313Rackmount cooling system20198,371,334'Rotary switching valve'20137,716,993'Gas flow rate verification unit'20107,249,749'Solenoid valve with 2-part fixed core'20074,436,313'Device for sealing a propeller shaft against invasion of sea water'19844,063,043'Intraoffice alternate connection arrangement'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
1977Based in Hiratsuka, JP· patent location history
1984Patents assigned to JAPAN NATIONAL RAILWAY (1)· patent assignee history
1984Based in Saitama, JP· patent location history
2007–2013Patents assigned to CKD CORP (3)· patent assignee history
2007Based in Komaki, JP· patent location history
2010–2013Based in Kasugai, JP· patent location history
2013Patents assigned to OKABE TSUNEYUKI (1)· patent assignee history
2019–2020Patents assigned to DENSO AIRCOOL CORP (2)· patent assignee history
2019–2020Based in Torrance, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CKD CORP32007–2013
DENSO AIRCOOL CORP22019–2020
JAPAN NATIONAL RAILWAY11984
NIPPON TELEGRAPH & TELEPHONE11977
OKABE TSUNEYUKI12013
Locations
LocationPatentsSpan
Torrance, California, US22019–2020
Kasugai, JP22010–2013
Komaki, JP12007
Saitama, JP11984
Hiratsuka, JP11977