Toho Titanium Co., Ltd.
2 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 2 name spellings.
5
Ending by 2030
Dec 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.
- 2 fees due Jan 30, 2027
- 1 fee due Feb 27, 2027The maintenance fee for Production method for olefin-polymerization catalyst and production method for olefin polymer (US 10,392,453) comes due Feb 27, 2027. Unpaid by Aug 27, 2027, it lapses early.
- 2 fees due Apr 15 to 29, 2027 · next Apr 15
- 3 fees due May 12 to 26, 2027 · next May 12
- 1 fee due Jun 8, 2027The maintenance fee for Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymer (US 9,206,265) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, it lapses early.
- 1 fee due Jul 26, 2027The maintenance fee for Solid catalyst component for polymerization of olefin, catalyst for polymerization of olefin, and method for producing olefin polymer (US 9,243,081) comes due Jul 26, 2027. Unpaid by Jan 26, 2028, it lapses early.
- 1 fee due Aug 27, 2027The maintenance fee for Olefin polymer and method for producing olefin polymer (US 11,912,796) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
- 1 fee due Sep 17, 2027The maintenance fee for Method for producing solid catalyst component for olefin polymerization, olefin polymerization catalyst, method for producing olefin polymerization catalyst, and method for producing olefin polymer (US 10,590,211) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.
- 1 fee due Oct 19, 2027The maintenance fee for Solid catalyst component for olefin polymerization, and catalyst (US 9,315,601) comes due Oct 19, 2027. Unpaid by Apr 19, 2028, it lapses early.
- 1 fee due Nov 7, 2027The maintenance fee for Titanium-based porous body and method for producing titanium-based porous body (US 11,975,388) comes due Nov 7, 2027. Unpaid by May 8, 2028, it lapses early.
Recent changes
- 3 of the patents on this record were granted since Aug 16, 2026
- 1 term has 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 7,704,910 | Catalyst for polymerization of olefins and method for polymerization of olefins In force · From the USPTO record | In force | From the USPTO record | |
| US 8,247,504 | Catalyst component, catalyst for olefin polymerization, and process for producing olefin polymer using catalyst In force · From the USPTO record | In force | From the USPTO record | |
| US 8,178,072 | Method of manufacturing alkali metal titanate In force · From the USPTO record | In force | From the USPTO record | |
| US 8,546,290 | Solid catalyst component for olefin polymerization, manufacturing method, and catalyst and olefin polymer manufacturing method In force · From the USPTO record | In force | From the USPTO record | |
| US 8,398,952 | Method of manufacturing alkali metal titanate and hollow body particle thereof, product thereof, and friction material containing the product In force · From the USPTO record | In force | From the USPTO record | |
| US 9,744,588 | Melting furnace for producing metal In force · From the USPTO record | In force | From the USPTO record | |
| US 9,206,265 | Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymer In force · From the USPTO record | In force | From the USPTO record | |
| US 9,243,081 | Solid catalyst component for polymerization of olefin, catalyst for polymerization of olefin, and method for producing olefin polymer In force · From the USPTO record | In force | From the USPTO record | |
| US 9,315,601 | Solid catalyst component for olefin polymerization, and catalyst In force · From the USPTO record | In force | From the USPTO record | |
| US 9,711,822 | Lithium-lanthanum-titanium oxide sintered material, solid electrolyte containing the oxide, and lithium air battery and all-solid lithium battery including the solid electrolyte In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 61: 2 patents in force now held by others · 24 lapsed for an unpaid fee · 62 ended at full term. 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 · 7 abandoned · 18 no status recorded