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Inventor

Yasuichi Haga

Inventor
Tokyo, JP

Overview

4→
Patents
2010–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B01Dprimary
B01DSeparation44%
C02FTreatment of water, waste water, sewage, or sludge22%
B04CApparatus using free vortex flow, e.g. cyclones11%
E02BHydraulic engineering11%
F04DNon-positive-displacement pumps11%
PatentTitleYear
9,359,229'Device for recovering floating materials on the liquid surface'20168,512,565'Solid-liquid separator with self-priming pump'20138,257,588'Oil-water separator with self-priming pump'20127,682,129'Filtration device combined with self-priming pump'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2016Patents assigned to WORLD CHEM KK (4)· patent assignee history
2010Based in Joso, JP· patent location history
2012–2013Patents assigned to HAGA YASUICHI (2)· patent assignee history
2012–2013Patents assigned to MORI YOJI (2)· patent assignee history
2012Patents assigned to IKEHARA YUJI (1)· patent assignee history
2012–2016Based in Tokyo, JP· patent location history
2013Patents assigned to KARASAWA YOJI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WORLD CHEM KK42010–2016
HAGA YASUICHIself22012–2013
MORI YOJI22012–2013
IKEHARA YUJI12012
KARASAWA YOJI12013
Locations
LocationPatentsSpan
Tokyo, JP32012–2016
Joso, JP12010