Technology Hotbed · Energy
battery separators
Momentum: — Steady
Across fully-published filing years — the current year is still publishing and is left out of the signal.
134
Patents
1
Startups matched
21
Foreign filers
Startup counts are name-matched candidates, not ownership records — see methodology. Methodology
Startups working on battery separators
Deep-tech startups with a patent tagged this technology
A sample of matched deep-tech startups — Startup counts are name-matched candidates, not ownership records — see methodology. Methodology
Where it clusters
Matched startups by state
| State | Startups mapped |
|---|---|
| Karnataka | 1 |
Filing momentum
Filings by year — recent years still publishing
| Year | Filings | Foreign |
|---|---|---|
| 2022 | 22 | 20 |
| 2023 | 40 | 37 |
| 2024 | 34 | 29 |
| 2025 | 28 | 28 |
| 2026partial | 10 | 9 |
Patents publish ~18 months after they're filed, so the current year is always incomplete. The Rising / Steady / Cooling signal ignores it and compares only fully-published years — read a dip in the latest year as data still coming in, not a decline.
Who's filing
Indian companies lead — institutes & foreign kept separate
- OLA ELECTRIC MOBILITY PRIVATE LIMITEDIN · 2
- Godrej & Boyce Mfg Co LtdIN · 1
- Dr. M. SumalathaIN · 1
- Hindustan Petroleum Corporation LimitedIN · 1
- PERMIONICS GLOBAL TECHNOLOGIES LLPIN · 1
- TCG Centres for Research and Education in Science and TechnologyIN · 1
Educational institutes (3) — ranked by grant rate (share of filings granted, sample-adjusted), not filing volume
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.