Inventor

CHENG CHIH-CHENG

TW5 patents

⚠️ This page may combine multiple inventors who share the name “CHENG CHIH-CHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIMOTEC METAL INDUSTRY LTD

2 patents

US11780522B2Oct 10, 2023

Bicycle seat post structure

LIMOTEC METAL INDUSTRY LTD3 citations62

US11679830B2Jun 20, 2023

Bicycle seat post structure

LIMOTEC METAL INDUSTRY LTD1 citations49

UNIV TSINGHUA

1 patent

US7605984B2Oct 20, 2009

Lens with adjustable focal length

UNIV TSINGHUA9 citations81

CHO KAI HAN

1 patent

US11097803B2Aug 24, 2021

Shock absorbing and height adjusting structure

CHO KAI HAN0 citations52

IND TECH RES INST

1 patent

US8369016B2Feb 5, 2013

Optical sheet

IND TECH RES INST0 citations38