Inventor · disambiguated record
Yohnosuke Ohsaka
Also filed as: OHSAKA YOHNOSUKE · TOHZUKA TAKASHI
25 granted patents·240 citations·filing 1976–1992
96Inventor score
Top patents by PatentIndex Score
25 records- 0192US4091043AProcess for the preparation of 1-chloro-1,1-difluoroethane and/or 1,1,1-trifluoroethaneDAIKIN IND LTD·Filed 1976·Granted May 23, 1978·27 cites·15 claims
- 0290US4845268AHalogen-containing polyetherDAIKIN IND LTD·Filed 1986·Granted Jul 4, 1989·39 cites·21 claims
- 0386US4238416AMethod for isomerization of fluorinated epoxy compoundsDAIKIN IND LTD·Filed 1979·Granted Dec 9, 1980·18 cites·4 claims
- 0482US4864040AMonohalogenotrifluorooxetane and its preparationOHSAKA YOHNOSUKE·Filed 1987·Granted Sep 5, 1989·20 cites·7 claims
- 0581US4719052A2,2-difluoropropionic acid derivativesDAIKIN IND LTD·Filed 1984·Granted Jan 12, 1988·16 cites·7 claims
- 0680US4242286AProcess for preparing benzotrifluoride and its derivativesDAIKIN IND LTD·Filed 1979·Granted Dec 30, 1980·12 cites·7 claims
- 0779US4973742AHalogen-containing polyetherDAIKIN IND LTD·Filed 1989·Granted Nov 27, 1990·21 cites·27 claims
- 0879US4296265AProcess for preparing hexafluoropropene oligomersDAIKIN IND LTD·Filed 1980·Granted Oct 20, 1981·13 cites·5 claims
- 0974US4288376AProcess for preparing hexafluoropropene oxideDAIKIN IND LTD·Filed 1980·Granted Sep 8, 1981·8 cites·3 claims
- 1073US4904417AFluorine-containing polyether and process for preparing the sameDAIKIN IND LTD·Filed 1988·Granted Feb 27, 1990·20 cites·5 claims
- 1167US4709060ASubstituted trifluorooxetanesDAIKIN IND LTD·Filed 1986·Granted Nov 24, 1987·7 cites·4 claims
- 1257US4946972AProcess for distillation of 2,2,3,3-tetrafluorooxetaneDAIKIN IND LTD·Filed 1989·Granted Aug 7, 1990·4 cites·4 claims
- 1352US4908460AProcess for purification of 2,2,3,3-tetrafluorooxetaneDAIKIN IND LTD·Filed 1989·Granted Mar 13, 1990·3 cites·5 claims
- 1452US4165340AProcess for preparing hexafluoropropanone-2DAIKIN IND LTD·Filed 1977·Granted Aug 21, 1979·9 cites·1 claims
- 1550US4739059AFluorine-containing amine amidesDAIKIN IND LTD·Filed 1987·Granted Apr 19, 1988·3 cites·1 claims
- 1647US4367350AProcess for preparing perfluoro(lower)alkyl-benzenes and their derivativesDAIKIN IND LTD·Filed 1977·Granted Jan 4, 1983·4 cites·9 claims
- 1746US4886581ARemoval of hydrogen fluoride from 2,2,3,3-tetra-fluorooxetaneDAIKIN IND LTD·Filed 1987·Granted Dec 12, 1989·3 cites·4 claims
- 1846US4400563AProcess for preparing perfluoro(lower)alkylbenzenes and their derivativesDAIKIN IND LTD·Filed 1979·Granted Aug 23, 1983·4 cites·8 claims
- 1940US4284822AProcess for preparing hexafluoroacetoneDAIKIN IND LTD·Filed 1980·Granted Aug 18, 1981·1 cites·3 claims
- 2034US4946935AFluorine-containing aromatic compound, process for preparing the same and use thereofDAIKIN IND LTD·Filed 1988·Granted Aug 7, 1990·5 cites·4 claims
- 2133US4825014AProcess for preparing chlorotrifluoromethylbenzeneDAIKIN IND LTD·Filed 1988·Granted Apr 25, 1989·1 cites·12 claims
- 2231US4683289ANovel fluorine-containing polyaminoamide and preparation thereof from fluorooxetane and polyamineDAIKIN IND LTD·Filed 1985·Granted Jul 28, 1987·1 cites·16 claims
- 2330US5270090ASemiconductor device coated with a fluorena-containing polyiimide and a process of preparingDAIKIN IND LTD·Filed 1992·Granted Dec 14, 1993·0 cites·5 claims
- 2430US5264598AFluorine-containing aromatic compound, process for preparing the same and use thereofDAIKIN IND LTD·Filed 1992·Granted Nov 23, 1993·0 cites·3 claims
- 2530US5166365AFluorine-containing aromatic compound, process for preparing the same and use thereofDAIKIN IND LTD·Filed 1990·Granted Nov 24, 1992·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →