Envision Aesc Japan Ltd.
19 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.
Recorded as renamed to Aesc Japan Ltd. (2023)
Previously recorded as Automotive Energy Supply Corporation (to 2019)
19
Ending by 2030
Feb 2027
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.
- 5 fees due Dec 2 to 30, 2026 · next Dec 2
- 6 fees due Feb 4 to 27, 2027 · next Feb 4
- 6 fees due Mar 10 to 24, 2027 · next Mar 10
- 6 fees due Apr 1 to 27, 2027 · next Apr 1
- 7 fees due May 3 to 19, 2027 · next May 3
- 4 fees due Jun 1 to 30, 2027 · next Jun 1
- 4 fees due Jul 7 to 26, 2027 · next Jul 7
- 4 fees due Aug 4 to 25, 2027 · next Aug 4
- 5 fees due Sep 8 to 30, 2027 · next Sep 8
- 6 fees due Oct 12 to 21, 2027 · next Oct 12
- 1 fee due Nov 12, 2027The maintenance fee for Secondary Cell (US 10,651,448) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
- 6 terms have 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 7,659,029 | Battery module with insulating plates nipping electrode tabs In force · High confidence | In force | High confidence | |
| US 8,003,015 | Composite Positive Electrode Material for Lithium Ion Battery and Battery Using the Same In force · High confidence | In force | High confidence | |
| US 8,852,295 | Secondary Battery and Method of Producing the Secondary Battery In force · High confidence | In force | High confidence | |
| US 7,914,925 | Thin-Type Secondary Battery and Method of Producing the Same, and Secondary Battery Module In force · High confidence | In force | High confidence | |
| US 8,492,028 | Positive electrode material for non-aqueous electrolyte lithium ion battery and battery using the same In force · High confidence | In force | High confidence | |
| US 7,910,241 | Battery Outer Case for Receiving a Flat Battery Pack Joined by Seam-Rolling In force · High confidence | In force | High confidence | |
| US 7,659,030 | Cell Structure Having Improved Heat Dissipation and Lower Vibrations In force · High confidence | In force | High confidence | |
| US 8,728,666 | Positive Electrode Material for Lithium Ion Battery with Nonaqueous Electrolyte, and Battery Using the Same In force · High confidence | In force | High confidence | |
| US 7,816,029 | Battery Module In force · High confidence | In force | High confidence | |
| US 9,246,145 | Assembled Battery and Manufacturing Method Thereof In force · High confidence | In force | High confidence |
Also on record, not counted in the 211: 19 patents in force now held by others · 10 lapsed for an unpaid fee · 27 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.
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.
10 pending · 17 abandoned