Term ends Sep 30, 2030 · High confidence
20-year base term ends Apr 21, 2030
Filed Apr 21, 2010 as application 12/764,231 · Granted Aug 21, 2012
Base term plus 162 days of patent term adjustment (USPTO delay)
Today
2010
2030
Clock starts
Apr 21, 2010
Apr 21, 2010
Term ends
Sep 30, 2030
Sep 30, 2030
Granted
Aug 21, 2012
Aug 21, 2012
base term
patent term adjustment
fee events
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
162
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
48
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 162 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 21, 2010, when this application, 12/764,231, was filed | Apr 21, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +162 days, USPTO patent term adjustment record | Sep 30, 2030 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 30, 2030 | High confidence |
This family
| US 7,449,822 | Term ended Jul 2025 | Jul 2025 |
| US 7,535,733 | In force Oct 2027 | Oct 2027 |
| US 7,605,110 | Lapsed on the fee record Oct 2013 | Oct 2013 |
| Application 11/808,977 | Abandoned not computed | not computed |
| US 7,567,051 | Lapsed on the fee record Jul 2013 | Jul 2013 |
| US 7,783,401 | Lapsed on the fee record Aug 2022 | Aug 2022 |
| US 7,444,228 | Lapsed on the fee record Oct 2020 | Oct 2020 |
| US 7,893,604 | In force Jul 2028 | Jul 2028 |
8 of 48 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Apr 21, 2010 Reel 24264, frame 358 | Matsui, Hirohito; Onimaru, Sadahisa; Kouda, Shinji; Utaka, Ryosuke; Kamiya, Munehiro; Kaneiwa, Hiroshi | Nippon Soken, Inc.; Denso Corporation; Toyota Jidosha Kabushiki Kaisha | Assignment of Assignor's Interest |
| Apr 21, 2010 reel/frame not recorded | Kouda, Shinji; Utaka, Ryosuke; Matsui, Hirohito; Onimaru, Sadahisa; Kamiya, Munehiro; Kaneiwa, Hiroshi | Nippon Soken, Inc. | Assignment of Assignor's Interest |
| Apr 21, 2010 reel/frame not recorded | Kouda, Shinji; Utaka, Ryosuke; Matsui, Hirohito; Onimaru, Sadahisa; Kamiya, Munehiro; Kaneiwa, Hiroshi | Denso Corporation | Assignment of Assignor's Interest |
| Apr 21, 2010 reel/frame not recorded | Kouda, Shinji; Utaka, Ryosuke; Matsui, Hirohito; Onimaru, Sadahisa; Kamiya, Munehiro; Kaneiwa, Hiroshi | Toyota Jidosha Kabushiki Kaisha | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Sep 2030
Term ends Sep 30, 2030. No further fees fall due before then
Note
The 162 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
33
later US patents cite this one
That is top 25% of utility patents granted in 2012 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.