Inventor · disambiguated record
Keiichiro Tsuji
Also filed as: TSUJI KEIICHIRO
2 granted patents·1 pending application·30 citations·filing 1991–2003
62Inventor score
Files withCHUGAI PHARMACEUTICAL CO LTD3
Top patents by PatentIndex Score
3 records- 0178US6559149B1Methotrexate derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 1993·Granted May 6, 2003·21 cites·8 claims
- 0258US5354753AMethotrexate derivativeCHUGAI PHARMACEUTICAL CO LTD·Filed 1991·Granted Oct 11, 1994·9 cites·7 claims
- 0345US2003171376A1Methotrexate derivativesCHUGAI PHARMACEUTICAL CO LTD·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →