Technology Hotbed · Climate & Environment
photocatalytic water treatment
Momentum: ▲ Rising
54
Patents
0
Startups matched
0
Foreign filers
Startup counts are name-matched candidates, not ownership records — see methodology. Methodology
Where it clusters
Matched startups by state
No matched startups have surfaced a state for this technology yet — coverage is patent-only.
Filing momentum
2022 onward
| Year | Filings | Foreign |
|---|---|---|
| 2022 | 3 | 0 |
| 2023 | 7 | 0 |
| 2024 | 18 | 0 |
| 2025 | 16 | 0 |
| 2026 | 9 | 0 |
Who's filing
Indian companies lead — institutes & foreign kept separate
Educational institutes (6) — high filing volume, separate from company R&D
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.