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Inventor

Hsien-Cheng Liu

Inventor
Zhubei City, TW

Overview

3→
Patents
2002–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

B29Bprimary
B29BPreparation or pretreatment of the material to be shaped11%
C08JWorking-up11%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
C08LCompositions of macromolecular compounds11%
G06FElectric digital data processing11%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems11%
H03KPulse technique11%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
10,177,663DC-DC converting circuit and multi-phase power controller thereof20198,389,110'Compositions for preparing plant fiber composites and plant fiber composites prepared from the same'20136,445,379'Structure of cordless mouse device'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Based in Chung-Ho City, Taipei Hsien, TW· patent location history
2013Patents assigned to LIU HSIEN-CHENG (1)· patent assignee history
2013Based in Kaohsiung, TW· patent location history
2019Patents assigned to UPI SEMICONDUCTOR CORP (1)· patent assignee history
2019Based in Zhubei City, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LIU HSIEN-CHENGself12013
UPI SEMICONDUCTOR CORP12019
Locations
LocationPatentsSpan
Zhubei City, TW12019
Kaohsiung, TW12013
Chung-Ho City, Taipei Hsien, TW12002