Inventor

CHEN CHENG-I

TW8 patents

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

(unassigned)

2 patents

US6519792B2Feb 18, 2003

Electric reciprocating system for baby carriage

25 citations89

US6342842B2Jan 29, 2002

Earthquake alarm device

8 citations70

BETZ PAPERCHEM INC

2 patents

US5127993AJul 7, 1992

Method of enhancing green liquor semi-chemical pulp production

BETZ PAPERCHEM INC7 citations71

US4906331AMar 6, 1990

Method of enhancing the cooking of wood chips for pulp production

BETZ PAPERCHEM INC18 citations69

BET PAPERCHEM INC

1 patent

US4952277AAug 28, 1990

Process for producing kraft pulp for paper using nonionic surface active agents to improve pulp yield

BET PAPERCHEM INC57 citations89

TAIWAN SEMICONDUCTOR MFG

1 patent

US6746879B1Jun 8, 2004

Guard filter methodology and automation system to avoid scrap due to reticle errors

TAIWAN SEMICONDUCTOR MFG4 citations60

TZENG FONG IND CORP

1 patent

US9073225B2Jul 7, 2015

Hair trimming device

TZENG FONG IND CORP1 citations40

SYNOLOGY INC

1 patent

US9785511B2Oct 10, 2017

Network device and operating method thereof

SYNOLOGY INC0 citations31