Lapsed Aug 30, 2023 on the fee record · High confidence
20-year base term ends Mar 13, 2027
Third maintenance fee unpaid; grace period ended.
Held by Denso Corporation and Toyota Jidosha Kabushiki Kaisha
Filed Mar 13, 2007 as application 11/717,179 · Granted Aug 30, 2011
Base term, 20 years from filing, plus 1142 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 30, 2023
2007
2030
Clock starts
Mar 13, 2007
Mar 13, 2007
No longer in force
Aug 30, 2023
Aug 30, 2023
Granted
Aug 30, 2011
Aug 30, 2011
Term would have run to
Apr 28, 2030
Apr 28, 2030
base term
patent term adjustment
after the term ends
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
1,142
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
10
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Apr 28, 2030: its 20-year base term plus 1142 days of term adjustment for prosecution delay. 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 Mar 13, 2007, when this application, 11/717,179, was filed | Mar 13, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1142 days, USPTO patent term adjustment record | Apr 28, 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 | 2 of 3 maintenance fees paid | lapsed Aug 30, 2023 | High confidence |
| Computed term end | The steps above, in order | Aug 30, 2023 | High confidence |
This family
| US 7,773,399 | In force Jun 2028 | Jun 2028 |
| US 8,010,257 | this patent Aug 2023 | Aug 2023 |
| Application 11/808,772 | Abandoned not computed | not computed |
| US 7,746,670 | In force Jul 2028 | Jul 2028 |
| US 8,074,444 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 8,536,872 | Lapsed on the fee record Sep 2025 | Sep 2025 |
| US 8,451,091 | In force no later than Nov 2031 | no later than Nov 2031 |
| Application 12/731,603 | Abandoned not computed | not computed |
8 of 10 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 26, 2007 Reel 19234, frame 483 | Shidai, Takahiro; Miyamoto, Seiji; Noda, Waka; Ito, Ryo; Hirano, Hiroyuki | Denso Corporation; Toyota Jidosha Kabushiki Kaisha | Assignment of Assignor's Interest |
| Apr 26, 2007 reel/frame not recorded | Miyamoto, Seiji; Noda, Waka; Shidai, Takahiro; Hirano, Hiroyuki; Ito, Ryo | Denso Corporation | Assignment of Assignor's Interest |
| Apr 26, 2007 reel/frame not recorded | Miyamoto, Seiji; Noda, Waka; Shidai, Takahiro; Hirano, Hiroyuki; Ito, Ryo | 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
Note
The 1142 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
8
later US patents cite this one
That is below the median of utility patents granted in 2011 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.