Inventor

Da-Yu Chang

Inventor

Rowland Heights, CA, US

Overview

2007–2020

Patent span

Human necessities

Primary field (CPC A)

Patents· 42 as inventor

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

A61Nprimary

A61NElectrotherapy36%

A61FFilters implantable into blood vessels33%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%

A61BDiagnosis5%

A61MDevices for introducing media into, or onto, the body3%

LOC243%

G06VImage or video recognition or understanding2%

H01LSemiconductor devices2%

LOC162%

PatentTitleYear

10,751,174Limited expansion heart valve2020 D0893031Prosthetic heart valve2020 10,702,680Method of operating an integrated balloon catheter inflation system2020 10,667,904Valve implant with integrated sensor and transmitter2020 10,625,078Visual prosthetic apparatus for retinal stimulation2020 10,543,085One-piece heart valve stents adapted for post-implant expansion2020 10,485,661Surgical heart valves adapted for post-implant expansion2019 D0867594Prosthetic heart valve2019 10,307,249Holder and deployment system for surgical heart valves2019 10,130,469Expandable surgical heart valve indicators2018 10,080,653Limited expansion heart valve2018 10,052,200Surgical heart valves adapted for post implant expansion2018 9,931,507Package for a retinal prosthesis2018 9,919,137'Integrated balloon catheter inflation system'2018 9,895,228'Covered heart valve sizer'2018 9,675,453'Methods of identifying and replacing implanted heart valves'2017 9,585,752'Holder and deployment system for surgical heart valves'2017 9,555,244'Retinal prosthesis and method of manufacturing a retinal prosthesis'2017 9,545,517'Video device to be worn on the head'2017 9,504,566'Surgical heart valves identifiable post-implant'2016 9,415,221'Package for an implantable device'2016 9,375,310'Surgical heart valves adapted for post-implant expansion'2016 9,277,996'Force-based heart valve sizer'2016 9,095,709'Visual prosthetic apparatus for retinal stimulation'2015 8,915,960'Physiologic tricuspid annuloplasty ring'2014 8,798,756'Video processing unit for a visual prosthetic apparatus'2014 8,538,540'Retinal prosthesis with side mounted inductive coil'2013 8,532,776'Package for an implantable neural stimulation device'2013 8,527,057'Retinal prosthesis and method of manufacturing a retinal prosthesis'2013 8,498,713'Visual prosthetic apparatus for retinal stimulation'2013 8,473,048'Package for an implantable neural stimulation device'2013 8,231,637'Surgical tool for electrode implantation'2012 8,195,302'Video processing unit for a visual prosthetic apparatus'2012 8,195,303'Video processing unit for a visual prosthetic apparatus'2012 8,036,751'Retinal prosthesis with side mounted inductive coil'2011 7,908,010'Retinal prosthesis with side mounted inductive coil'2011 7,904,164'Retinal prosthesis with side mounted inductive coil'2011 7,881,799'Retinal prosthesis and method of manufacturing a retinal prosthesis'2011 7,873,419'Retinal prosthesis and method of manufacturing a retinal prosthesis'2011 D0599313'Video processing unit for a visual prosthetic apparatus'2009 D0565082'Visor for a visual prosthetic apparatus'2008 7,228,181'Retinal prosthesis with side mounted inductive coil'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2015Patents assigned to SECOND SIGHT MEDICAL PROD INC (17)· patent assignee history

2007–2020Based in Rowland Heights, CA, US· patent location history

2012–2015Patents assigned to CHANG DA-YU (11)· patent assignee history

2012–2015Patents assigned to GREENBERG ROBERT J (8)· patent assignee history

2012–2015Patents assigned to CASTRO RICHARD AGUSTIN (5)· patent assignee history

2014–2020Patents assigned to EDWARDS LIFESCIENCES CORP (19)· patent assignee history

2014–2020Based in Irvine, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EDWARDS LIFESCIENCES CORP	19	2014–2020
SECOND SIGHT MEDICAL PROD INC	17	2007–2015
CHANG DA-YUself	11	2012–2015
GREENBERG ROBERT J	8	2012–2015
CASTRO RICHARD AGUSTIN	5	2012–2015

Locations

Location	Patents	Span
Rowland Heights, California, US	22	2007–2020
Irvine, California, US	20	2014–2020