Inventor · disambiguated record
Tsuku Umezawa
Also filed as: UMEZAWA TSUKU
3 granted patents·47 citations·filing 1991–1992
72Inventor score
Top patents by PatentIndex Score
3 records- 0151US5448173ATriple-probe plasma measuring apparatus for correcting space potential errorsNIHON KOSHUHA CO LTD·Filed 1992·Granted Sep 5, 1995·16 cites·5 claims
- 0251US5365147APlasma stabilizing apparatus employing feedback controlsNICHIMEN CO LTD·Filed 1991·Granted Nov 15, 1994·18 cites·5 claims
- 0344US5359282APlasma diagnosing apparatusNICHIMEN CO LTD·Filed 1991·Granted Oct 25, 1994·13 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Tsuku Umezawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →