Inventor · disambiguated record
Keiichiro Koba
Also filed as: KOBA KEIICHIRO
4 granted patents·30 citations·filing 1981–1987
74Inventor score
Top patents by PatentIndex Score
4 records- 0148US4354919AProcess for the liquefaction of coalMITSUI COKE CO·Filed 1981·Granted Oct 19, 1982·10 cites·7 claims
- 0238US4719188AAlumina-base abrasion resistant materialMITSUI MINING CO LTD·Filed 1986·Granted Jan 12, 1988·7 cites·2 claims
- 0333US4777151AGlass-ceramic product and method of making the sameMITSUI MINING CO LTD·Filed 1986·Granted Oct 11, 1988·5 cites·7 claims
- 0429US4812271AContinuous process for producing long α-alumina fibersMITSUI MINING CO LTD·Filed 1987·Granted Mar 14, 1989·8 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Keiichiro Koba 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 →