Yasui Co., Ltd.

8 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Nov 2033

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 15, 2027.

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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.

Showing 1 to 8 of 8

Patent	Title	Status	Expires	Confidence
US D833,607	Medical retractor In force Term ends Nov 13, 2033 · From the USPTO record	In force	Term ends Nov 13, 2033	From the USPTO record
US 9,840,402	Lift device for vehicle In force Term ends Jun 5, 2035 · From the USPTO record	In force	Term ends Jun 5, 2035	From the USPTO record
US 10,166,016	Medical Retractor In force Term ends Jun 25, 2035 · High confidence	In force	Term ends Jun 25, 2035	High confidence
US 10,765,417	Medical retractor In force Term ends Aug 17, 2035 · From the USPTO record	In force	Term ends Aug 17, 2035	From the USPTO record
US D947,481	Lifting apparatus In force Term ends Mar 29, 2037 · From the USPTO record	In force	Term ends Mar 29, 2037	From the USPTO record
US 11,198,599	Vehicle lift device In force Term ends Nov 27, 2039 · From the USPTO record	In force	Term ends Nov 27, 2039	From the USPTO record
US D1,103,384	Medical marking pen In force Term ends Nov 25, 2040 · From the USPTO record	In force	Term ends Nov 25, 2040	From the USPTO record
US 12,472,766	Surgical ink, production method for said ink, and surgical pen using said ink In force Term ends Feb 17, 2043 · From the USPTO record	In force	Term ends Feb 17, 2043	From the USPTO record

Also on record, not counted in the 8: 2 lapsed for an unpaid fee · 2 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.

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Published applications

Every application published under this name has become a patent.