Inventor

Cheng Y. Shei

Inventor
Taipei, TW

Overview

4→
Patents
1991–1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%
C01GCompounds containing metals not covered by subclasses c01d or c01f20%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds20%
H10NElectric solid-state devices not otherwise provided for20%
C04BLime, magnesia13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to IND TECH RES INST (3)· patent assignee history
1991–1993Based in Taipei, TW· patent location history
1992Patents assigned to INDUSTRAIL TECHNOLOGY RESEARCH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IND TECH RES INST31991–1993
INDUSTRAIL TECHNOLOGY RESEARCH11992
Locations
LocationPatentsSpan
Taipei, TW41991–1993