The Doshisha
11 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 4 name spellings.
0
Ending by 2030
Jan 2033
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 Feb 13, 2027The maintenance fee for Cell deterioration diagnostic based on integrated value (US 10,379,170) comes due Feb 13, 2027. Unpaid by Aug 13, 2027, it lapses early.
- 2 fees due Apr 3, 2027
- 1 fee due May 19, 2027The maintenance fee for Liquid-crystal varifocal lens and focal length control method (US 10,481,429) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
- 1 fee due Jul 2, 2027The maintenance fee for Composition or method including (t)ew-7197 for treating or preventing corneal endothelial diseases (US 11,857,544) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 1 fee due Sep 26, 2027The maintenance fee for Multi-screw kneader and method for producing nano-composite using said multi-screw kneader, and disk-shaped segment used for said kneader and said method (US 11,938,657) comes due Sep 26, 2027. Unpaid by Mar 27, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
- 2 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 8,951,401 | Method for Electrochemically Depositing Carbon Film on a Substrate In force · High confidence | In force | High confidence | |
| US 9,555,028 | Drug for preventing/treating ocular disease In force · From the USPTO record | In force | From the USPTO record | |
| US 12,788,747 | Therapeutic Drug for Diseases Related to Endoplasmic Reticulum Cell Death in Corneal Endothelium In force · High confidence | In force | High confidence | |
| US 10,813,920 | Drug for treating corneal endothelium by promoting cell proliferation or inhibiting cell damage In force · From the USPTO record | In force | From the USPTO record | |
| US 10,379,170 | Cell deterioration diagnostic based on integrated value In force · From the USPTO record | In force | From the USPTO record | |
| US 10,749,186 | Method for manufacturing platinum catalyst, and fuel cell including the same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,980,787 | Drug for treating or preventing disorder caused by TGF-B signals, and application thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 10,846,850 | Morbidity diagnosis support system, morbidity diagnosis data-generating system, and morbidity diagnosis support method In force · From the USPTO record | In force | From the USPTO record | |
| US 10,481,429 | Liquid-crystal varifocal lens and focal length control method In force · From the USPTO record | In force | From the USPTO record | |
| US 10,998,177 | Ion Analyzer In force · High confidence | In force | High confidence |
Also on record, not counted in the 28: 11 patents in force now held by others · 51 lapsed for an unpaid fee · 1 ended at full term · 1 past the fee grace period. 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.
10 pending · 11 abandoned · 27 no status recorded