Morimura Sofc Technology Co., Ltd.

19 patents currently held · Updated Nov 14, 2026

15 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.

Ending by 2030

Mar 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 22, 2027
The maintenance fee for Solid oxide fuel cell stack (US 11,735,758) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
1 fee due May 12, 2027
The maintenance fee for Fuel-Cell Power Generation Unit and Fuel-Cell Stack (US 10,476,087) comes due May 12, 2027. Unpaid by Nov 12, 2027, it lapses early.
2 fees due Jun 3 to 10, 2027 · next Jun 3
1 fee due Aug 18, 2027
The maintenance fee for Fuel Cell Unit and Fuel Cell Array (US 10,566,634) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

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 7,713,645	Conductive Connecting Members and Electrochemical Systems In force Term ends Mar 28, 2027 · High confidence	In force	Term ends Mar 28, 2027	High confidence
US 7,767,357	Reactor In force Term ends Aug 22, 2028 · High confidence	In force	Term ends Aug 22, 2028	High confidence
US 7,968,246	Solid Oxide Fuel Cell In force Term ends Apr 23, 2030 · High confidence	In force	Term ends Apr 23, 2030	High confidence
US 8,956,780	Solid Oxide Fuel Cell In force Term ends Jan 29, 2031 · High confidence	In force	Term ends Jan 29, 2031	High confidence
US 8,968,962	Solid Oxide Fuel Cell, and Assembling Method of the Same In force Term ends Oct 29, 2031 · High confidence	In force	Term ends Oct 29, 2031	High confidence
US 10,707,499	Fuel Cell Cassette and Fuel Cell Stack In force Term ends Apr 24, 2035 · High confidence	In force	Term ends Apr 24, 2035	High confidence
US 11,735,758	Solid oxide fuel cell stack In force Term ends Sep 20, 2035 · From the USPTO record	In force	Term ends Sep 20, 2035	From the USPTO record
US 11,081,709	Fuel cell system In force Term ends Nov 25, 2035 · From the USPTO record	In force	Term ends Nov 25, 2035	From the USPTO record
US 10,665,870	Electrochemical Reaction Unit and Fuel Cell Stack In force Term ends Apr 4, 2036 · High confidence	In force	Term ends Apr 4, 2036	High confidence
US 10,497,949	Electro-Chemical Reaction Unit and Fuel Cell Stack In force Term ends Aug 17, 2036 · High confidence	In force	Term ends Aug 17, 2036	High confidence

10 of 19 patents shown.

Pro members see all 19.

Pro members: see all 19 patents

Also on record, not counted in the 19: 15 patents in force now held by others · 9 lapsed for an unpaid fee · 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.

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Published applications

Every application published under this name has become a patent.