The Patent Finder

Xiamen Eochip Semiconductor Co., Ltd.

13 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Mar 2041
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Jan 4, 2027
    The maintenance fee for High-speed optical transceiver integrated chip drive circuit with phase delay compensation function (US 11,695,480) comes due Jan 4, 2027. Unpaid by Jul 6, 2027, it lapses early.
  • 1 fee due Apr 3, 2027
    The maintenance fee for High-speed transimpedance amplifier with bandwidth extension feature over full temperature range and bandwidth extension method (US 11,777,452) comes due Apr 3, 2027. Unpaid by Oct 4, 2027, it lapses early.
  • 1 fee due Jun 5, 2027
    The maintenance fee for DFB laser DC-coupled output power configuration scheme (US 11,837,847) comes due Jun 5, 2027. Unpaid by Dec 6, 2027, it lapses early.
  • 1 fee due Sep 26, 2027
    The maintenance fee for 10G rate OLT terminal transceiver integrated chip based on XGSPON with DFB laser (US 11,942,985) comes due Sep 26, 2027. Unpaid by Mar 27, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US 11,695,480High-speed optical transceiver integrated chip drive circuit with phase delay compensation function
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,777,452High-speed transimpedance amplifier with bandwidth extension feature over full temperature range and bandwidth extension method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,837,847DFB laser DC-coupled output power configuration scheme
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,015,244DFB laser DC-coupled output power configuration scheme with adjustable voltage difference
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,272,926DC-coupled laser diode driver circuit with large modulation current
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,942,98510G rate OLT terminal transceiver integrated chip based on XGSPON with DFB laser
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,170,86210G rate OLT terminal transceiver integrated chip based on XGPON with DFB laser
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,107,62310G rate OLT terminal transceiver integrated chip based on XGPON with EML laser
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,113,57510G Rate OLT Terminal Transceiver Integrated Chip Based on XGSPON with EML Laser
In force
 · Medium confidence
In forceMedium confidence
US 12,003,27610G rate OLT terminal transceiver integrated chip based on EPON with EML laser
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 13 patents shown.
Pro members see all 13.
Pro members: see all 13 patents

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

Every application published under this name has become a patent.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited