24 patents currently held

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

2 more records may belong here and await a decision; they are not counted.

The next term ends in Oct 2029. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Oct 2029

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

2026202720282029 2030203120322033 2034 2035 2036 2037 2038 2039 2040 20412042204320442045

notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable: the highest-ranked patents in this portfolio by citations and family size.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Electro-Optic Current Sensor with High Dynamic Range and Accuracy US 9,535,097

The largest patent family in this portfolio, 7 related applications, renewed at every maintenance window due so far. Protection runs to 2030.

Ends Feb 2030 · High confidence Also notable

An Optical Sensor System and Methods of Use Thereof US 10,401,377

Granted 2019. Computed term ends 2035.

Ends May 2035 · High confidence Also notable

Optical Pockels Voltage Sensor Assembly Device and Methods of Use Thereof US 10,634,704

The newest of the three, granted 2020. It anchors the portfolio to 2037, later than anything else here.

Ends Dec 2037 · High confidence

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 Feb 8, 2027
The maintenance fee for Optical Sensor System Having a Segmented Magnetic Flux Concentrator and Methods of Use Thereof (US 11,719,726) comes due Feb 8, 2027. Unpaid by Aug 9, 2027, it lapses early.
4 fees due Mar 3 to 29, 2027 · next Mar 3
1 fee due May 5, 2027
The maintenance fee for Optical Condition Monitoring System for a Wind Turbine Generator and Methods of Use Thereof (US 10,465,658) comes due May 5, 2027. Unpaid by Nov 5, 2027, it lapses early.
1 fee due Jun 30, 2027
The maintenance fee for Photonic Pressure Sensor Device and Methods of Use Thereof (US 10,520,381) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
2 fees due Oct 14 to 28, 2027 · next Oct 14

Which patents, and when each one lapses · Pro

Recent changes

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

What they patent

The 5 largest of its 16 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Optical Sensor Assembly for Installation on a Current Carrying Cable	7 in force	to Sep 2030
Optical Pockels Voltage Sensor Assembly Device and Methods of Use Thereof	3 in force	to Dec 2037
Device and Method for Monitoring Safety Cables	1 in force	to Oct 2040
Optical Condition Monitoring System for a Wind Turbine Generator and Methods of Use Thereof	1 in force	to Sep 2036
Enhanced Optical Condition Monitoring System for Power Transformer and Method for Operating Power Transformer	1 in force	to Apr 2036

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 9,341,653	Optical Sensor Assembly for Installation on a Current Carrying Cable In force Term ends Oct 28, 2029 · High confidence	In force	Term ends Oct 28, 2029	High confidence
US 9,817,038	Electro-Optic Current Sensor with High Dynamic Range and Accuracy In force Term ends Oct 28, 2029 · High confidence	In force	Term ends Oct 28, 2029	High confidence
US 10,006,944	Electro-Optic Current Sensor with High Dynamic Range and Accuracy In force Term ends Oct 28, 2029 · High confidence	In force	Term ends Oct 28, 2029	High confidence
US 9,535,097	Electro-Optic Current Sensor with High Dynamic Range and Accuracy In force Term ends Feb 22, 2030 · High confidence	In force	Term ends Feb 22, 2030	High confidence
US 8,395,372	Method for Measuring Current in an Electric Power Distribution System In force Term ends Apr 1, 2030 · High confidence	In force	Term ends Apr 1, 2030	High confidence
US 8,076,925	Optical Sensor Assembly for Installation on a Current Carrying Cable In force Term ends Jun 24, 2030 · High confidence	In force	Term ends Jun 24, 2030	High confidence
US 9,134,344	Optical Sensor Assembly for Installation on a Current Carrying Cable In force Term ends Sep 12, 2030 · High confidence	In force	Term ends Sep 12, 2030	High confidence
US 8,774,587	Stress Control Structure for Optical Fibers in a High Voltage Environment In force Term ends Jan 26, 2033 · High confidence	In force	Term ends Jan 26, 2033	High confidence
US 9,146,358	Collimator Holder for Electro-Optical Sensor In force Term ends Nov 19, 2033 · High confidence	In force	Term ends Nov 19, 2033	High confidence
US 9,347,973	Stress Control Assembly and Methods of Making the Same In force Term ends Nov 20, 2034 · High confidence	In force	Term ends Nov 20, 2034	High confidence

10 of 24 patents shown.

Pro members see all 24.

Pro members: see all 24 patents

Also on record, not counted in the 24: 1 patent ended · 5 applications pending · 1 application abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Export every term end as CSV · Pro

Micatu Inc.