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DeeptechNavigator

Technology Hotbed · Computing & AI

sentiment analysis

Momentum: ▲ Rising

Across fully-published filing years — the current year is still publishing and is left out of the signal.

75

Patents

64

Startups matched

1

Foreign filers

Startup counts are name-matched candidates, not ownership records — see methodology. Methodology

Startups working on sentiment analysis

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

Startups by state
StateStartups mapped
Delhi
4
Maharashtra
2
Uttar Pradesh
2
Kerala
1
Telangana
1

Filing momentum

Filings by year — recent years still publishing

Filings by year
YearFilingsForeign
202280
2023191
2024220
2025170
2026partial70

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

Educational institutes (6) — ranked by grant rate (share of filings granted, sample-adjusted), not filing volume
Foreign filers (1)

Top inventors in this technology

The most prolific inventors filing in this technology, each linking to their full patent history.

Briefings on this technology