Inventor · disambiguated record
Toshio Okawa
Also filed as: OKAWA TOSHIO
3 granted patents·28 citations·filing 1991–1992
69Inventor score
Files withNIPPON KOKAN KK3
Top patents by PatentIndex Score
3 records- 0146US5246535AMethod and apparatus for controlling the diameter of a silicon single crystalNIPPON KOKAN KK·Filed 1992·Granted Sep 21, 1993·13 cites·8 claims
- 0244US5176787AMethod and apparatus for measuring the diameter of a silicon single crystalNIPPON KOKAN KK·Filed 1991·Granted Jan 5, 1993·11 cites·8 claims
- 0331US5164039AApparatus for controlling the diameter of silicon single crystalNIPPON KOKAN KK·Filed 1991·Granted Nov 17, 1992·4 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Toshio Okawa 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 →