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Technology Hotbed · Other

writing instruments

Momentum: ▼ Cooling

25

Patents

0

Startups matched

7

Foreign filers

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

Where it clusters

Matched startups by state

Startups by state
StateStartups mapped
Andhra Pradesh
1
Chandigarh
1

Filing momentum

2022 onward

Filings by year
YearFilingsForeign
202242
202373
202475
202553
202622

Who's filing

Indian companies lead — institutes & foreign kept separate

Educational institutes (2) — high filing volume, separate from company R&D
Foreign filers (4)

Top inventors in this technology

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