Denso Corporation
776 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 37 name spellings.
Previously recorded as Asmo Co., Ltd. (to 2018)
1,044
Ending by 2030
Nov 2026
Next term end
When these terms end
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.
- 86 fees due Nov 14 to 30, 2026 · next Nov 14
- 135 fees due Dec 2 to 30, 2026 · next Dec 2
- 168 fees due Jan 2 to 30, 2027 · next Jan 2
- 200 fees due Feb 1 to 28, 2027 · next Feb 1
- 209 fees due Mar 1 to 29, 2027 · next Mar 1
- 216 fees due Apr 1 to 30, 2027 · next Apr 1
- 156 fees due May 3 to 28, 2027 · next May 3
- 184 fees due Jun 1 to 30, 2027 · next Jun 1
- 167 fees due Jul 2 to 30, 2027 · next Jul 2
- 152 fees due Aug 2 to 27, 2027 · next Aug 2
- 154 fees due Sep 1 to 30, 2027 · next Sep 1
- 159 fees due Oct 2 to 30, 2027 · next Oct 2
- 66 fees due Nov 3 to 12, 2027 · next Nov 3
Recent changes
- 226 of the patents on this record were granted since Aug 16, 2026
- 187 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,290,510 | Valve Timing Adjusting Apparatus In force · High confidence | In force | High confidence | |
| US 7,370,487 | Refrigerating cycle device capable of ensuring oil return In force · From the USPTO record | In force | From the USPTO record | |
| US 7,439,849 | User welcoming system for an automobile In force · From the USPTO record | In force | From the USPTO record | |
| US 7,520,254 | Control Apparatus and a Control Method Thereof In force · High confidence | In force | High confidence | |
| US 7,397,167 | Ultrasonic wave generating device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,505,240 | Overcurrent protection device for semiconductor element In force · From the USPTO record | In force | From the USPTO record | |
| US 7,571,759 | Stacked type cooler In force · From the USPTO record | In force | From the USPTO record | |
| US 7,363,918 | Controller of pressure accumulation fuel system In force · From the USPTO record | In force | From the USPTO record | |
| US 7,258,002 | Fluid flow detecting apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 7,426,919 | Evaporative Fuel Treatment Apparatus In force · High confidence | In force | High confidence |
Also on record, not counted in the 9,872: 776 patents in force now held by others · 7,767 lapsed for an unpaid fee · 3,894 ended at full term · 6 past the fee grace period · 12 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.
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.
967 pending · 603 abandoned · 3,278 no status recorded