Haechitech Corporation

10 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Jul 2034

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Aug 11, 2027
The maintenance fee for Apparatus for detecting an angle of rotation (US 10,557,723) comes due Aug 11, 2027. Unpaid by Feb 11, 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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 9,671,484	Magnetic Sensor Test Apparatus and Method of Testing a Magnetic Sensor In force Term ends Jul 19, 2034 · High confidence	In force	Term ends Jul 19, 2034	High confidence
US 9,921,274	Sensing Apparatus Using Groups of Hall Sensors and Apparatus Using the Sensing Apparatus In force Term ends Apr 30, 2035 · High confidence	In force	Term ends Apr 30, 2035	High confidence
US 10,180,407	Capacitor Type Humidity Sensor In force Term ends Jul 31, 2035 · High confidence	In force	Term ends Jul 31, 2035	High confidence
US 10,060,743	Method and Apparatus of Correcting Output Value of Geomagnetic Sensor In force Term ends Jan 5, 2037 · High confidence	In force	Term ends Jan 5, 2037	High confidence
US 10,288,642	Physical Quantity Measuring Apparatus and Signal Processing Method Thereof In force Term ends Apr 8, 2037 · High confidence	In force	Term ends Apr 8, 2037	High confidence
US 10,234,515	Method for Controlling of Hall Device and Magnetic Detection Apparatus Using the Same In force Term ends Jun 29, 2037 · High confidence	In force	Term ends Jun 29, 2037	High confidence
US 10,557,723	Apparatus for detecting an angle of rotation In force Term ends Feb 18, 2038 · From the USPTO record	In force	Term ends Feb 18, 2038	From the USPTO record
US 10,655,985	Method for detecting angle of rotation using automatic gain adjustment algorithm and apparatus thereof In force Term ends Jan 31, 2039 · From the USPTO record	In force	Term ends Jan 31, 2039	From the USPTO record
US 10,788,324	Method and apparatus for calculation of angular velocity using acceleration sensor and geomagnetic sensor In force Term ends Feb 12, 2039 · From the USPTO record	In force	Term ends Feb 12, 2039	From the USPTO record
US 11,172,141	Method and apparatus for composing images of celestial bodies In force Term ends May 1, 2040 · From the USPTO record	In force	Term ends May 1, 2040	From the USPTO record

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.

Export every term end as CSV · Pro

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

4 no status recorded

List them