Inventor

Hong Du

Inventor
North Andover, MA, US

Overview

16→
Patents
2005–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 16 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations22%
A61KPreparations for medical, dental or toiletry purposes20%
C07DHeterocyclic compounds17%
C12NMicroorganisms or enzymes9%
C12YEnzymes9%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
LOC074%
Y02ATechnologies for adaptation to climate change4%
A01KAnimal husbandry2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Based in Cincinnati, OH, US· patent location history
2010–2012Patents assigned to EISAI CO LTD (3)· patent assignee history
2010–2021Based in North Andover, MA, US· patent location history
2012–2016Patents assigned to DU HONG (5)· patent assignee history
2012–2013Patents assigned to BOIVIN ROCH (2)· patent assignee history
2013–2021Patents assigned to EISAI R&D MAN CO LTD (4)· patent assignee history
2013Based in Qinpu District, CN· patent location history
2016–2020Patents assigned to UNIV INDIANA RES & TECH CORP (3)· patent assignee history
2016–2020Based in Carmel, IN, US· patent location history
2017Based in Niigata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU HONGself52012–2016
EISAI R&D MAN CO LTD42013–2021
EISAI CO LTD32010–2012
UNIV INDIANA RES & TECH CORP32016–2020
BOIVIN ROCH22012–2013
Locations
LocationPatentsSpan
North Andover, Massachusetts, US82010–2021
Carmel, IN, US42016–2020
Niigata, JP22017
Qinpu District, CN12013
Cincinnati, OH, US12005