Inventor · disambiguated record
Zenjiro Nakai
Also filed as: NAKAI ZENJIRO
4 granted patents·54 citations·filing 1987–1993
75Inventor score
Files withCHICHIBU CEMENT KK4
Top patents by PatentIndex Score
4 records- 0172US4769351AHydrothermal process for preparing zirconia-alumina base ultra-fine powders of high purityCHICHIBU CEMENT KK·Filed 1987·Granted Sep 6, 1988·30 cites·8 claims
- 0244US5045514ASol-gel method for making composite mullite/cordierite ceramicsCHICHIBU CEMENT KK·Filed 1990·Granted Sep 3, 1991·20 cites·5 claims
- 0328US5369067AComposite substrates and their productionCHICHIBU CEMENT KK·Filed 1993·Granted Nov 29, 1994·3 cites·9 claims
- 0427US5229093AMethod for making mullite whiskers using hydrofluoric acidCHICHIBU CEMENT KK·Filed 1992·Granted Jul 20, 1993·1 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Zenjiro Nakai 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 →