Inventor · disambiguated record
Tatsuya Otsuka
Also filed as: OTSUKA TATSUYA
13 granted patents·140 citations·filing 1987–2002
91Inventor score
Top patents by PatentIndex Score
13 records- 0193US4874764ABenzoheterocyclic compoundsOTSUKA PHARMA CO LTD·Filed 1987·Granted Oct 17, 1989·36 cites·9 claims
- 0291US4855292A1-cyclopropyl-6-fluoro-8-alkyl-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid derivativesOTSUKA PHARMA CO LTD·Filed 1987·Granted Aug 8, 1989·26 cites·30 claims
- 0385US4935420ABenzoheterocyclic compoundsOTSUKA PHARMA CO LTD·Filed 1988·Granted Jun 19, 1990·15 cites·13 claims
- 0485US4880806A1-Cyclopropyl-6-fluoro-7-piperazinyl-1,4-Dihydro-4-oxo-quinoline-3-carboxylic acid derivativesOTSUKA PHARMA CO LTD·Filed 1987·Granted Nov 14, 1989·16 cites·46 claims
- 0577US6019909AFluorinated hydrocarbon compound and process for its preparation, and refrigerator oil and magnetic recording medium lubricantDAIKIN IND LTD·Filed 1991·Granted Feb 1, 2000·16 cites·16 claims
- 0672US5965779AFluorooxetane compound and process for its preparationDAIKIN IND LTD·Filed 1998·Granted Oct 12, 1999·15 cites·6 claims
- 0747US6191326B1Process for preparing 1,1,1,2,3,3,3-heptafluoropropaneDAIKIN IND INC·Filed 1999·Granted Feb 20, 2001·3 cites·8 claims
- 0846US5243104AProcess for preparing chlorotrifluoroethyleneDAIKIN IND LTD·Filed 1992·Granted Sep 7, 1993·4 cites·22 claims
- 0945US6380148B2Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodidesDAIKIN IND LTD·Filed 2001·Granted Apr 30, 2002·0 cites·4 claims
- 1040US5734001AFluorosilicone compound and composition containing the sameDAIKIN IND LTD·Filed 1995·Granted Mar 31, 1998·6 cites·20 claims
- 1137US7306705B2Method for dehydrating composition comprising lithium bis(pentafluoroethanesulfonyl)imideDAIKIN IND LTD·Filed 2002·Granted Dec 11, 2007·0 cites·4 claims
- 1230US6271189B1Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodidesDAIKIN IND LTD·Filed 1998·Granted Aug 7, 2001·0 cites·2 claims
- 1330US6239319B1Processes for the preparation of perfluoroalkanes and iodine pentafluorideDAIKIN IND LTD·Filed 1997·Granted May 29, 2001·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →