Inventor

Kuo-Chang Cheng

Inventor
New Taipei, TW

Overview

14→
Patents
2011–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 14 as inventor

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

A45Dprimary
A45DHairdressing or shaving equipment28%
F26BDrying solid materials or objects by removing liquid therefrom16%
F21VFunctional features or details of lighting devices or systems thereof13%
G21KHandling of particles or ionising radiation not otherwise provided for13%
LOC2813%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
B22FWorking metallic powder3%
B23PMetal-working not otherwise provided for3%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact3%
Y10TTechnical subjects covered by former us classification3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2019Based in Taipei, TW· patent location history
2012–2015Patents assigned to CHENG KUO-CHANG (5)· patent assignee history
2012–2014Patents assigned to COSMEX CO LTD (4)· patent assignee history
2012–2020Based in New Taipei, TW· patent location history
2014–2020Patents assigned to NAIL ALLIANCE LLC (6)· patent assignee history
2015Patents assigned to LI YU-JEN (1)· patent assignee history
2017–2020Based in Taoyuan, TW· patent location history
2018–2020Patents assigned to CHENG KUO CHANG (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NAIL ALLIANCE LLC62014–2020
CHENG KUO-CHANGself52012–2015
COSMEX CO LTD42012–2014
CHENG KUO CHANGself22018–2020
LI YU-JEN12015
Locations
LocationPatentsSpan
New Taipei, TW62012–2020
Taipei, TW52011–2019
Taoyuan, TW32017–2020