Inventor · disambiguated record
Toshiyuki Niwa
Also filed as: NIWA TOSHIYUKI
7 granted patents·238 citations·filing 1986–2015
85Inventor score
Files withSHOWA PHARM CHEM IND2JAPAN CORN STARCH CO LTD1MORIROKU CHEMICALS COMPANY LTD1NIWA TOSHIYUKI1PFIZER1
Top patents by PatentIndex Score
7 records- 0193US6221402B1Rapidly releasing and taste-masking pharmaceutical dosage formPFIZER·Filed 1997·Granted Apr 24, 2001·163 cites·9 claims
- 0289US9044758B2Method for producing fine powder and the fine powder produced by the sameNIWA TOSHIYUKI·Filed 2010·Granted Jun 2, 2015·18 cites·24 claims
- 0360US4726966APreparation of coated granular ibuprofen microsphereSHOWA SHINYAKU KK·Filed 1986·Granted Feb 23, 1988·31 cites·19 claims
- 0455US5057323AHollow granular medicine and its preparationSHOWA PHARM CHEM IND·Filed 1989·Granted Oct 15, 1991·16 cites·4 claims
- 0550US9642807B2Method for producing starch granules, and orally disinitegrating tabletJAPAN CORN STARCH CO LTD·Filed 2013·Granted May 9, 2017·0 cites·13 claims
- 0645US5087455AHollow granular medicine and its preparationSHOWA PHARM CHEM IND·Filed 1990·Granted Feb 11, 1992·10 cites·39 claims
- 0726US10485785B2Method for producing fine powder and the fine powder produced by the sameMORIROKU CHEMICALS COMPANY LTD·Filed 2015·Granted Nov 26, 2019·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →