Inventor

Calvin Hoi Wung Cheng

Inventor
Cincinnati, OH, US

Overview

17→
Patents
2001–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 17 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels30%
A61LMethods or apparatus for sterilising materials or objects in general17%
LOC0317%
D04HMaking textile fabrics, e.g. from fibres or filamentary material13%
A47LDomestic washing or cleaning10%
A47DFurniture specially adapted for children3%
H01BCables3%
H10KOrganic electric solid-state devices3%
LOC263%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2002Based in Aliso Viejo, CA, US· patent location history
2008Based in Macau, CN· patent location history
2011–2019Based in Cincinnati, OH, US· patent location history
2014–2019Patents assigned to PROCTER & GAMBLE (9)· patent assignee history
2014Patents assigned to CHENG CALVIN HOI WUNG (2)· patent assignee history
2014Patents assigned to CHHABRA RAJEEV (2)· patent assignee history
2014Patents assigned to ISELE OLAF ERIK ALEXANDER (2)· patent assignee history
2014Patents assigned to NELSON DEEANN LING (2)· patent assignee history
2021Based in Tainan, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROCTER & GAMBLE92014–2019
CHENG CALVIN HOI WUNGself22014
CHHABRA RAJEEV22014
ISELE OLAF ERIK ALEXANDER22014
NELSON DEEANN LING22014
Locations
LocationPatentsSpan
Cincinnati, OH, US102011–2019
Aliso Viejo, California, US52001–2002
Tainan, TW12021
Macau, CN12008