High Tech Computer, Corp.

10 patents currently held · Updated Nov 14, 2026

37 more in force are now held by other companies

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

Recorded under 4 name spellings.

Ending by 2030

Nov 2026

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 Jun 29, 2027
The maintenance fee for Method for Determining RLC Data Pdu Size in Wireless Communications System According to Control Data (US 9,226,195) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.
1 fee due Nov 10, 2027
The maintenance fee for Automatic Download of Contact-Related Web Data Feeds (US 9,336,325) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 terms have ended since Aug 16, 2026

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 7,375,689	Multi-band antenna of compact size In force (reinstated) Term ends Nov 16, 2026 · From the USPTO record	In force (reinstated)	Term ends Nov 16, 2026	From the USPTO record
US 7,659,853	Miniaturized Multi-Band Antenna In force Term ends Dec 8, 2027 · High confidence	In force	Term ends Dec 8, 2027	High confidence
US 7,667,956	Portable Electronic Apparatus and Housing Thereof In force Term ends Apr 9, 2028 · High confidence	In force	Term ends Apr 9, 2028	High confidence
US 8,253,690	Electronic device, character input module and method for selecting characters thereof In force Term ends Aug 24, 2029 · From the USPTO record	In force	Term ends Aug 24, 2029	From the USPTO record
US 8,115,740	Electronic Device Capable of Executing Commands Therein and Method for Executing Commands in the Same In force Term ends Jan 19, 2030 · High confidence	In force	Term ends Jan 19, 2030	High confidence
US 9,226,195	Method for Determining RLC Data Pdu Size in Wireless Communications System According to Control Data In force Term ends Jun 9, 2030 · High confidence	In force	Term ends Jun 9, 2030	High confidence
US 9,336,325	Automatic Download of Contact-Related Web Data Feeds In force Term ends Mar 14, 2031 · High confidence	In force	Term ends Mar 14, 2031	High confidence
US 8,478,978	System and electronic device having multiple operating systems and operating method thereof In force Term ends Jun 21, 2031 · From the USPTO record	In force	Term ends Jun 21, 2031	From the USPTO record
US 8,868,134	Handheld device and power saving method therefor In force Term ends Jun 26, 2031 · From the USPTO record	In force	Term ends Jun 26, 2031	From the USPTO record
US 8,390,721	Portable Electronic Device and Camera Module Therefor In force Term ends Dec 18, 2031 · High confidence	In force	Term ends Dec 18, 2031	High confidence

Also on record, not counted in the 10: 37 patents in force now held by others · 72 lapsed for an unpaid fee · 114 ended at full term · 1 surrendered on reissue. List them

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.

3 abandoned · 44 no status recorded

List them