Inventor · disambiguated record
Eiji Iwamoto
Also filed as: IWAMOTO EIJI
6 granted patents·1 pending application·25 citations·filing 1977–2016
78Inventor score
Files withTOYO SODA MFG CO LTD3FUJITSU LTD1IDEMITSU KOSAN CO1IDEMITSU PETROCHEMICAL CO1NISSIN HIGH VOLTAGE CO LTD1
Top patents by PatentIndex Score
7 records- 0168US4247696AProcess for preparing gamma phase quinacridoneTOYO SODA MFG CO LTD·Filed 1979·Granted Jan 27, 1981·9 cites·9 claims
- 0257US4223152AProcess for purifying crude isoindolinone series pigmentsTOYO SODA MFG CO LTD·Filed 1979·Granted Sep 16, 1980·5 cites·14 claims
- 0340US4642467AElectron beam irradiation apparatusNISSIN HIGH VOLTAGE CO LTD·Filed 1984·Granted Feb 10, 1987·5 cites·10 claims
- 0440US2008130899A1Access authentication system, access authentication method, and program storing medium storing programs thereofFUJITSU LTD·Filed 2007·Application pending·0 cites
- 0539US10953057B2Functional feedIDEMITSU KOSAN CO·Filed 2016·Granted Mar 23, 2021·0 cites·7 claims
- 0628US6200582B1Laminate having anti-bacterial and mildewproofing actionsIDEMITSU PETROCHEMICAL CO·Filed 1998·Granted Mar 13, 2001·5 cites·6 claims
- 0727US4132851AProcess for producing quinazolone derivativesTOYO SODA MFG CO LTD·Filed 1977·Granted Jan 2, 1979·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →