Inventor · disambiguated record

Eiji Nakayama

Also filed as: NAKAYAMA EIJI

5 granted patents·27 citations·filing 1982–1997

77Inventor score

Technology areasC07D

Files withSANKYO CO5

Top patents by PatentIndex Score

5 records

0178US4482710AProcess for preparing 3-alkoxymethylcephalosporin derivativesSANKYO CO·Filed 1982·Granted Nov 13, 1984·11 cites·19 claims
0257US5866564ACarbapenem derivatives, their preparation and their use as antibioticsSANKYO CO·Filed 1997·Granted Feb 2, 1999·6 cites·51 claims
0353US5420119ACarbapenem derivatives having antibiotic activity, their preparation and their useSANKYO CO·Filed 1993·Granted May 30, 1995·4 cites·45 claims
0449US5310735ACarbapenem derivatives having antibiotic activity, their preparation and their useSANKYO CO·Filed 1992·Granted May 10, 1994·3 cites·12 claims
0547US5712267ACarbapenem derivatives, their preparation and their use as antibioticsSANKYO CO·Filed 1995·Granted Jan 27, 1998·3 cites·37 claims

Join the waitlist — get patent alerts

Get an alert when Eiji Nakayama 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 →