Inventor · disambiguated record
Kouichi Ikai
Also filed as: IKAI KOUICHI
2 granted patents·135 citations·filing 1995–1996
69Inventor score
Files withYOKOHAMA RUBBER CO LTD2
Top patents by PatentIndex Score
2 records- 0193US5679728ASurface-treated carbon black and rubber composition containing sameYOKOHAMA RUBBER CO LTD·Filed 1995·Granted Oct 21, 1997·107 cites·12 claims
- 0269US5883179ARubber composition comprising carbon black surface treated with silicaYOKOHAMA RUBBER CO LTD·Filed 1996·Granted Mar 16, 1999·28 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Kouichi Ikai 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 →