Inventor · disambiguated record
Atsushi Koiwa
Also filed as: KOIWA ATSUSHI
3 granted patents·1 pending application·19 citations·filing 1981–2002
61Inventor score
Files withEISAI CO LTD3
Top patents by PatentIndex Score
4 records- 0162US4533494AProcess for purifying secretinEISAI CO LTD·Filed 1983·Granted Aug 6, 1985·18 cites·10 claims
- 0237US4721788A4-cyanopiperidine derivativesEISAI CO LTD·Filed 1986·Granted Jan 26, 1988·1 cites·5 claims
- 0332US2004198973A1Process for preparation of carbapenem antibioticsFiled 2002·Application pending·0 cites
- 0428US4407745AHeptacosapeptideEISAI CO LTD·Filed 1981·Granted Oct 4, 1983·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →