Inventor

Hejian Sun

Inventor
Houston, TX, US

Overview

1→
Patents
2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere50%
E21BEarth or rock drilling50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to SAUDI ARABIAN OIL CO (1)· patent assignee history
2021Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAUDI ARABIAN OIL CO12021
Locations
LocationPatentsSpan
Houston, Texas, US12021