2 patents currently held
12 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.
The next term ends in Feb 2029. from the record
Of the 12 now held by other companies, 12 name Osaka Soda Co. Ltd. as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
1
Ending by 2030
Feb 2029
Next term end
2
Patent families
When these terms end
Held patents by the year their term ends
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
Only 2 of the currently held patents qualify as notable.
Notable
Ends Feb 2029 · High confidence
Also notable
Ends Jul 2032 · High confidence
Apparatus for Chamfering Fold Formation Tape Ends
US 8,171,835
Renewed at every maintenance window since the 2012 grant; no more fees are due before its term ends in 2029.
Composition for Sportswear and Foam Thereof
US 9,416,241
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2032.
Formerly held, still cited
Notable
Ends Jul 2034 · High confidence
Granted 2018 and renewed at every maintenance window due so far. Protection runs to 2034.
now held by Osaka Soda Co., Ltd.
Also notable
Ends May 2033 · High confidence
Granted 2017 and renewed at every maintenance window due so far. Protection runs to 2033.
now held by Osaka Soda Co., Ltd.
Also notable
Ends Oct 2033 · High confidence
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2033.
now held by Osaka Soda Co., Ltd.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 1 term has ended since Aug 16, 2026
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Composition for Sportswear and Foam Thereof | 1 in force | to Jul 2032 |
| Apparatus for Chamfering Fold Formation Tape Ends | 1 in force | to Feb 2029 |
Patents held now
Soonest term end first.
Showing 1 to 2 of 2
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,171,835 | Apparatus for Chamfering Fold Formation Tape Ends In force · High confidence | In force | High confidence | |
| US 9,416,241 | Composition for Sportswear and Foam Thereof held by Osaka Soda Co., Ltd. In force · High confidence | In force | High confidence |
Also on record, not counted in the 2: 12 patents in force now held by others · 43 patents ended · 19 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.
2 terminal disclaimers are on file with no resolved reference. No cap is applied and none is guessed