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Inventor

Sze Keat Chee

Inventor
Tokyo, JP

Overview

11→
Patents
2008–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

F16Kprimary
F16KValves30%
B07CPostal sorting22%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents19%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
F15BSystems acting by means of fluids in general4%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%
H02NElectric machines not otherwise provided for4%
LOC154%
LOC234%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
10,738,905Piezoelectric valve, method for driving piezoelectric valve, and optical particulate separator equipped with air-jet means using piezoelectric valve202010,525,508Blowing apparatus including piezoelectric valve and optical granular material sorting machine using the blowing apparatus20209,816,638'Valve attachment structure and fluid apparatus to which valve is attached'2017D0788266'Ejector valve'2017D0758453'Nozzle apparatus'20169,114,430'Piezoelectric valve, and optical particulate matter sorter provided with air-blowing means that uses piezoelectric valve'20159,097,359'Piezoelectric valve, and optical granulated substance sorter equipped with air-blowing means that uses this piezoelectric valve'20158,833,566'Optical granular material-sorting apparatus utilizing piezoelectric valve'20148,662,312'Piezoelectric valve and optical granular material-sorting apparatus utilizing such piezoelectric valve'20148,552,620'Method of measuring and evaluating mechanical outputs of piezoelectric actuators, controlling method of the same, and apparatus using those methods'20137,360,750'Piezoelectric air valve and multiple-type piezoelectric air valve'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2020Patents assigned to SATAKE ENG CO LTD (10)· patent assignee history
2008–2020Based in Tokyo, JP· patent location history
2013–2016Patents assigned to MECHANO TRANSFORMER CORP (5)· patent assignee history
2013–2014Patents assigned to CHEE SZE KEAT (2)· patent assignee history
2013–2014Patents assigned to HIGUCHI TOSHIRO (2)· patent assignee history
2013Based in Kanagawa, JP· patent location history
2014–2015Based in Kawasaki, JP· patent location history
2015–2017Patents assigned to KURODA PNEUMATICS LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SATAKE ENG CO LTD102008–2020
MECHANO TRANSFORMER CORP52013–2016
KURODA PNEUMATICS LTD32015–2017
CHEE SZE KEATself22013–2014
HIGUCHI TOSHIRO22013–2014
Locations
LocationPatentsSpan
Tokyo, JP72008–2020
Kawasaki, JP32014–2015
Kanagawa, JP12013