Nittoh Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Apr 2031
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.
- 1 fee due Dec 4, 2026The maintenance fee for Projection optical assembly and projector device (US 10,310,366) comes due Dec 4, 2026. Unpaid by Jun 4, 2027, it lapses early.
- 2 fees due Feb 6 to 8, 2027 · next Feb 6
- 1 fee due Mar 24, 2027The maintenance fee for Lens system and imaging apparatus having adjacent stop and fixed lens system at an output side (US 10,422,981) comes due Mar 24, 2027. Unpaid by Sep 24, 2027, it lapses early.
- 3 fees due May 5 to 19, 2027 · next May 5
- 1 fee due Jun 10, 2027The maintenance fee for Optical diaphragm device, lens barrel, and imaging device or projection device (US 10,503,051) comes due Jun 10, 2027. Unpaid by Dec 10, 2027, it lapses early.
- 1 fee due Jul 9, 2027The maintenance fee for Lens system and imaging apparatus (US 11,867,889) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, it lapses early.
- 2 fees due Aug 11, 2027
- 1 fee due Nov 5, 2027The maintenance fee for Projection optical system and projector (US 10,645,353) comes due Nov 5, 2027. Unpaid by May 5, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
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 8,279,538 | Lens system In force · From the USPTO record | In force | From the USPTO record | |
| US 10,754,239 | Projection optical assembly and projector device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,310,366 | Projection optical assembly and projector device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,663,702 | Zoom lens system and imaging apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 9,529,181 | Zoom lens system and imaging apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 10,761,415 | Projection optical system and projector apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 10,422,981 | Lens system and imaging apparatus having adjacent stop and fixed lens system at an output side In force · From the USPTO record | In force | From the USPTO record | |
| US 9,785,043 | Projection optical system and projector apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 9,910,251 | Lens system and imaging apparatus having a lens at each side of an intermediate image which move in synchronization during focusing In force · From the USPTO record | In force | From the USPTO record | |
| US 10,139,589 | Zoom lens unit and indicator member In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 40: 4 lapsed for an unpaid fee. 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.
6 no status recorded