Inventor

YI-FAN CHANG

Inventor
TW

Overview

6→
Patents
2021–2026
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G11Cprimary
G11CStatic stores29%
G06FElectric digital data processing14%
H03KPulse technique14%
B29CShaping or joining of plastics7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
B61GCouplings7%
H01LSemiconductor devices7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
Y10TTechnical subjects covered by former us classification7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to GENERAL INTERFACE SOLUTION LTD (1)· patent assignee history
2021Patents assigned to INTERFACE OPTOELECTRONICS CO LTD (1)· patent assignee history
2021Patents assigned to INTERFACE OPTOELECTRONICS SHENZHEN CO LTD (1)· patent assignee history
2021Patents assigned to INTERFACE TECH CHENGDU CO LTD (1)· patent assignee history
2021–2026Based in TW· patent location history
2024–2026Patents assigned to MACRONIX INT CO LTD (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MACRONIX INT CO LTD52024–2026
GENERAL INTERFACE SOLUTION LTD12021
INTERFACE OPTOELECTRONICS CO LTD12021
INTERFACE OPTOELECTRONICS SHENZHEN CO LTD12021
INTERFACE TECH CHENGDU CO LTD12021
Locations
LocationPatentsSpan
TW62021–2026