Inventor · disambiguated record
Sumio Watanabe
Also filed as: WATANABE SUMIO
19 granted patents·2 pending applications·613 citations·filing 1975–2007
96Inventor score
Files withEISAI CO LTD20
Top patents by PatentIndex Score
21 records- 0193US5093200AMultilayer sustained release granuleEISAI CO LTD·Filed 1988·Granted Mar 3, 1992·86 cites·13 claims
- 0291US4844905AGranule remaining in stomachEISAI CO LTD·Filed 1987·Granted Jul 4, 1989·119 cites·10 claims
- 0391US3976764ASolid therapeutic preparation remaining in stomachEISAI CO LTD·Filed 1975·Granted Aug 24, 1976·92 cites·9 claims
- 0490US5035899APeroral preparation of acid-unstable compoundEISAI CO LTD·Filed 1989·Granted Jul 30, 1991·72 cites·6 claims
- 0584US4127622AProcess for the preparation of hollow particulatesEISAI CO LTD·Filed 1975·Granted Nov 28, 1978·47 cites·17 claims
- 0677US5120719AConjugate of prostaglandin and polysaccharideEISAI CO LTD·Filed 1989·Granted Jun 9, 1992·26 cites·12 claims
- 0772US6235724B1Injections containing lipid a analogues and process for the preparation thereofEISAI CO LTD·Filed 1997·Granted May 22, 2001·33 cites·24 claims
- 0868US7230014B1Pharmaceutical formulation comprising glycine as a stabilizerEISAI CO LTD·Filed 2000·Granted Jun 12, 2007·1 cites·5 claims
- 0966US2007276008A1Pharmaceutical formulation comprising glycine as a stabilizerEISAI CO LTD·Filed 2007·Application pending·0 cites
- 1065US5984123AContainer having screw-threaded captive capEISAI CO LTD·Filed 1996·Granted Nov 16, 1999·40 cites·16 claims
- 1162US5980947AProcess for producing drug-containing microspheres by oil-in-water evaporation processEISAI CO LTD·Filed 1994·Granted Nov 9, 1999·31 cites·14 claims
- 1258US6036974AMethod and apparatus for preparation of molded tablet and thereby prepared molded tabletEISAI CO LTD·Filed 1993·Granted Mar 14, 2000·21 cites·12 claims
- 1355US2002177611A1Pharmaceutical formulation comprising glycine as a stabilizerFiled 2002·Application pending·0 cites
- 1448US5306505APlasma-irradiated solid preparationEISAI CO LTD·Filed 1990·Granted Apr 26, 1994·14 cites·12 claims
- 1540US5576021ASustained-release multi-granule tabletEISAI CO LTD·Filed 1994·Granted Nov 19, 1996·7 cites·14 claims
- 1639US5889078AOrganic polymer compound and production therofEISAI CO LTD·Filed 1997·Granted Mar 30, 1999·5 cites·2 claims
- 1738US5254545AInjectable preparations containing cephalosporin medicamentEISAI CO LTD·Filed 1990·Granted Oct 19, 1993·8 cites·1 claims
- 1836US5030455ASustained-release drug preparationEISAI CO LTD·Filed 1989·Granted Jul 9, 1991·5 cites·5 claims
- 1935US5624683ASustained-release multi-granule tabletEISAI CO LTD·Filed 1994·Granted Apr 29, 1997·4 cites·24 claims
- 2032US5821281AOrganic polymer compound and production thereofEISAI CO LTD·Filed 1996·Granted Oct 13, 1998·2 cites·3 claims
- 2129US5425943AModified tPA-containing injection composition having increased solubilityEISAI CO LTD·Filed 1992·Granted Jun 20, 1995·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →