Three patents currently held, every record listed here
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Jun 2036. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jun 2036
Next term end
2
Patent families
When these terms end
Each bar runs from grant to computed term end. 2019 to 2040.202320272031203520392040
1 pending application: term is not computable until grant.Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 2 of the currently held patents qualify as notable.
Notable
Ends Jun 2036 · High confidence
Also notable
Ends Mar 2040 · High confidence
Intelligent Holding Arm for Head Surgery, with Touch-Sensitive Operation
US 10,426,571
The most cited patent in this portfolio, cited by 37 later US patents, top 10% of utility patents granted in 2019 in our data. Protection runs to 2036.
Robotic Manipulator for Guiding an Endoscope Having a Parallel Linkage
US 11,638,617
Cited by 3 later US patents, top 25% of utility patents granted in 2023 in our data. Protection runs to 2040.
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 Apr 1, 2027The maintenance fee for Intelligent Holding Arm for Head Surgery, with Touch-Sensitive Operation (US 10,426,571) comes due Apr 1, 2027. Unpaid by Oct 1, 2027, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Intelligent Holding Arm for Head Surgery, with Touch-Sensitive Operation | 2 in force | to Feb 2037 |
| Robotic Manipulator for Guiding an Endoscope Having a Parallel Linkage | 1 in force | to Mar 2040 |
Patents held now
Soonest term end first.
Showing 1 to 3 of 3
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,426,571 | Intelligent Holding Arm for Head Surgery, with Touch-Sensitive Operation In force · High confidence | In force | High confidence | |
| US 11,589,951 | Intelligent Holding Arm for Head Surgery, with Touch-Sensitive Operation In force · High confidence | In force | High confidence | |
| US 11,638,617 | Robotic Manipulator for Guiding an Endoscope Having a Parallel Linkage In force · High confidence | In force | High confidence |
Also on record, not counted in the 3: 1 application pending. 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.