3 patents currently held
229 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.
2 more records may belong here and await a decision; they are not counted.
The next term ends in Jan 2033. from the record
Of the 229 now held by other companies, 228 name Denso Corporation as their current owner, and 1 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jan 2033
Next term end
3
Patent families
When these terms end
Held patents by the year their term ends
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
Ends Jan 2033 · High confidence
Also notable
Ends Feb 2035 · High confidence
Also notable
Ends May 2033 · High confidence
Electric Pump Having Plastic Circuit Housing
US 10,077,781
Granted 2018 and renewed at every maintenance window due so far. Protection runs to 2033.
Wiper Arm and Vehicle Wiper Apparatus Equipped Therewith
US 10,604,119
The newest of the three, granted 2020. It anchors the portfolio to 2035, later than anything else here.
Motor Drive Apparatus Having a Motor, Rotor, Stator and Heat Sink
US 9,444,310
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2033.
Formerly held, still cited
Notable
Ends Jun 2030 · High confidence
Cited by 26 later US patents, top 25% of utility patents granted in 2011 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2030.
now held by Denso Corporation
Also notable
Ends Oct 2033 · High confidence
Cited by 30 later US patents, top 25% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2033.
now held by Denso Corporation
Also notable
Ends Mar 2033 · High confidence
Granted 2018 and renewed at every maintenance window due so far. Protection runs to 2033.
now held by Denso Corporation
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 Sep 30, 2027The maintenance fee for Wiper Arm and Vehicle Wiper Apparatus Equipped Therewith (US 10,604,119) comes due Sep 30, 2027. Unpaid by Mar 31, 2028, it lapses early.
Recent changes
- 6 terms have ended since Aug 16, 2026
What they patent
The 2 largest of its 3 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Wiper Arm and Vehicle Wiper Apparatus Equipped Therewith | 1 in force | to Feb 2035 |
| Electric Pump Having Plastic Circuit Housing | 1 in force | to Jan 2033 |
Patents held now
Soonest term end first.
Showing 1 to 3 of 3
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,077,781 | Electric Pump Having Plastic Circuit Housing held by Denso Corporation In force · High confidence | In force | High confidence | |
| US 9,444,310 | Motor Drive Apparatus Having a Motor, Rotor, Stator and Heat Sink held by Denso Corporation and Asmo Co., Ltd. In force · High confidence | In force | High confidence | |
| US 10,604,119 | Wiper Arm and Vehicle Wiper Apparatus Equipped Therewith In force · High confidence | In force | High confidence |
Also on record, not counted in the 3: 229 patents in force now held by others · 360 patents ended · 72 applications 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.