72 patents currently held

1 more in force is now held by another company

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

The next term ends in Oct 2034. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Oct 2034

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

202620272028202920302031203220332034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045

notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable: the highest-ranked patents in this portfolio by citations and family size.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Method of Manufacturing Laminated Steel Plate US 11,784,544

The most cited patent in this portfolio, cited by 19 later US patents, top 5% of utility patents granted in 2023 in our data. Protection runs to 2039.

Ends Jul 2039 · High confidence Also notable

Photocurable Resin Composition, Cured Product of Same and Method for Producing Cured Product US 10,246,538

Granted 2019 and renewed at 2 of 3 maintenance windows. Protection runs to 2035.

Ends Sep 2035 · High confidence Also notable

Coating Agent Composition US 10,457,835

The earliest of the three still in force, granted 2019 and renewed since. Its term ends first, in 2036.

Ends Jul 2036 · High confidence

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.

3 fees due Feb 20 to 28, 2027 · next Feb 20
4 fees due Apr 1 to 29, 2027 · next Apr 1
2 fees due Jun 5 to 26, 2027 · next Jun 5
2 fees due Jul 16 to 23, 2027 · next Jul 16
2 fees due Aug 13 to 27, 2027 · next Aug 13

Which patents, and when each one lapses · Pro

Recent changes

Oct 29Assignment recorded on 1 record: Nishida, Haruka and 3 others to Threebond Co., Ltd. Recorded Oct 29, 2026, executed Oct 13, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76558, frame 947.
Oct 28Assignment recorded on 1 record: Kawashima, Kenta and 2 others to Threebond Co., Ltd. Recorded Oct 28, 2026, executed Oct 13, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76537, frame 601.
5 of the patents on this record were granted since Aug 16, 2026
1 term has ended since Aug 16, 2026

What they patent

The 5 largest of its 72 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Two-Component Curable Resin Composition and Cured Product Thereof	1 in force	to Sep 2043
Curable Composition, and Cured Coating, Article, and Method for Forming Coating Using the Same	1 in force	to Aug 2043
Photocurable Sheet-Shaped Sealing Agent for Fuel Cell, Cured Product, Fuel Cell, and Sealing Method	1 in force	to May 2043
Curable Resin Composition, Production Method Thereof and Cured Product	1 in force	to May 2043
Curable Composition	1 in force	to Mar 2043

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 9,914,861	Microcapsule Type Curable Resin Composition In force Term ends Oct 8, 2034 · High confidence	In force	Term ends Oct 8, 2034	High confidence
US 10,240,026	Photocurable Resin Composition In force Term ends Jul 10, 2035 · High confidence	In force	Term ends Jul 10, 2035	High confidence
US 10,383,802	Curable Resin Composition In force Term ends Jul 10, 2035 · High confidence	In force	Term ends Jul 10, 2035	High confidence
US 10,246,538	Photocurable Resin Composition, Cured Product of Same and Method for Producing Cured Product In force Term ends Sep 2, 2035 · High confidence	In force	Term ends Sep 2, 2035	High confidence
US 10,266,729	Thermocurable Electroconductive Adhesive In force Term ends Feb 29, 2036 · High confidence	In force	Term ends Feb 29, 2036	High confidence
US 11,359,116	Thermocurable Electroconductive Adhesive In force Term ends Feb 29, 2036 · High confidence	In force	Term ends Feb 29, 2036	High confidence
US 10,457,835	Coating Agent Composition In force Term ends Jul 22, 2036 · High confidence	In force	Term ends Jul 22, 2036	High confidence
US 10,428,214	Cationically Curable Resin Composition In force Term ends Apr 3, 2037 · High confidence	In force	Term ends Apr 3, 2037	High confidence
US 10,840,518	Photocurable Resin Composition, Fuel Cell, and Sealing Method In force Term ends Apr 12, 2037 · High confidence	In force	Term ends Apr 12, 2037	High confidence
US 10,840,517	Photocurable Resin Composition, Fuel Cell, and Sealing Method In force Term ends Apr 13, 2037 · High confidence	In force	Term ends Apr 13, 2037	High confidence

10 of 72 patents shown.

Pro members see all 72.

Pro members: see all 72 patents

Also on record, not counted in the 72: 1 patent in force now held by others · 5 patents ended · 71 applications pending · 18 applications abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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Threebond Co., Ltd.