Shibaura Machine Co., Ltd.
7 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 3 name spellings.
Previously recorded as Toshiba Machine Co., Ltd. (to 2020)
Previously recorded as Toshiba Kikai Kabushiki Kaisha (to 2020)
0
Ending by 2030
Apr 2035
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.
- 1 fee due Feb 22, 2027The maintenance fee for Double-Sided Transcription Type Sheet/Film Forming Roll Apparatus and Double-Sided Transcription Type Sheet/Film Forming Method (US 11,731,340) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
- 3 fees due Mar 12 to 26, 2027 · next Mar 12
- 2 fees due Apr 3 to 30, 2027 · next Apr 3
- 4 fees due May 14 to 21, 2027 · next May 14
- 1 fee due Jul 2, 2027The maintenance fee for Opening/Closing Apparatus and Molding Apparatus Comprising the Same (US 11,858,185) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 2 fees due Aug 20 to 27, 2027 · next Aug 20
- 3 fees due Sep 12 to 26, 2027 · next Sep 12
Recent changes
- 1 of the patents on this record was granted since Aug 17, 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 11,752,682 | Extruder Screw Having Paths Within the Screw, Extruder, and Extrusion Method In force · High confidence | In force | High confidence | |
| US 12,403,628 | Kneading Method for Use with Kneading Apparatus with First and Second Extruders In force · High confidence | In force | High confidence | |
| US 11,813,785 | Extruder Screw Having Paths Within the Screw, Extruder, and Extrusion Method In force · High confidence | In force | High confidence | |
| US 11,623,379 | Clamping Device, Molding Apparatus, and Molding Method In force · High confidence | In force | High confidence | |
| US 11,766,816 | Molded Article Manufacturing Method, Molded Article, and Molded Article Manufacturing Apparatus In force · High confidence | In force | High confidence | |
| US 11,820,062 | Extrusion Methods Wherein Material Is Guided Through a Passage Crossing Over Between Adjacent Cylindrical Bodies In force · High confidence | In force | High confidence | |
| US 11,759,989 | Optical sheet forming device and optical sheet forming method In force · From the USPTO record | In force | From the USPTO record | |
| US 10,239,305 | Three-Dimensional Laminating and Shaping Apparatus, Control Method of Three-Dimensional Laminating and Shaping Apparatus, and Control Program of Three-Dimensional Laminating and Shaping Apparatus In force · Medium confidence | In force | Medium confidence | |
| US 11,858,185 | Opening/Closing Apparatus and Molding Apparatus Comprising the Same In force · High confidence | In force | High confidence | |
| US 11,220,022 | Extruder Screw Having Paths Within the Screw, Extruder, and Extrusion Method In force · High confidence | In force | High confidence |
Also on record, not counted in the 65: 7 patents in force now held by others · 2 lapsed for an unpaid fee. 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.
15 pending · 1 abandoned · 4 no status recorded