Inventor · disambiguated record
Tooru Yamanaka
Also filed as: YAMANAKA TOORU
13 granted patents·156 citations·filing 1989–1996
92Inventor score
Top patents by PatentIndex Score
13 records- 0185US5389287AAntiferroelectric liquid crystal composite material, process for preparing the same, and liquid crystal element using the sameMITSUI PETROCHEMICAL IND·Filed 1993·Granted Feb 14, 1995·57 cites·14 claims
- 0266US4943651ANovel substitued naphthalene compounds and liquid crystal compositions containing sameMITSUI PETROCHEMICAL IND·Filed 1989·Granted Jul 24, 1990·15 cites·4 claims
- 0358US5352379ALiquid crystal composition, liquid crystal element and process for the preparation of liquid crystal elementMITSUI PETROCHEMICAL IND·Filed 1992·Granted Oct 4, 1994·16 cites·14 claims
- 0457US5955209AThin-film electroluminescent deviceMITSUI PETROCHEMICAL IND·Filed 1996·Granted Sep 21, 1999·19 cites·18 claims
- 0557US5246622ALiquid crystal racemic mixture, liquid crystal composition and liquid crystal element, process for manufacturing liquid crystal element, and uses of liquid crystal elementMITSUI PETROCHEMICAL IND·Filed 1991·Granted Sep 21, 1993·15 cites·27 claims
- 0650US5356561ACarboxylate compounds, liquid crystal compositions and liquid crystal elements containing said compounds and method of optical modulation using said elementsMITSUI PETROCHEMICAL IND·Filed 1991·Granted Oct 18, 1994·10 cites·27 claims
- 0749US5725798ACarboxylate compounds, liquid crystal materials liquid crystal compositions and liquid crystal elementsMITSUI PETROCHEMICAL IND·Filed 1995·Granted Mar 10, 1998·4 cites·54 claims
- 0846US5118586APhoto-recording media and photo-recording methodMITSUI PETROCHEMICAL IND·Filed 1989·Granted Jun 2, 1992·7 cites·6 claims
- 0945US5776365ACarboxylate compounds, liquid crystal materials, liquid crystal compositions and liquid crystal elementsMITSUI CHEMICALS INC·Filed 1995·Granted Jul 7, 1998·3 cites·65 claims
- 1039US5141668ANaphthalene compound and liquid crystal composition containing the sameMITSUI PETROCHEMICAL IND·Filed 1989·Granted Aug 25, 1992·5 cites·2 claims
- 1139US5053164ASubstituted naphthalene compounds and liquid crystal compositions containing sameMITSUI PETROCHEMICAL IND·Filed 1990·Granted Oct 1, 1991·4 cites·3 claims
- 1230US5445888AHydrazine compound, process for the preparation of the same, and nonlinear optical organic materialMITSUI PETROCHEMICAL IND·Filed 1994·Granted Aug 29, 1995·0 cites·36 claims
- 1326US5294366ACarboxylate compounds, liquid crystal compositions containing said compounds and liquid crystal elementMITSUI PETROCHEMICAL IND·Filed 1991·Granted Mar 15, 1994·1 cites·16 claims
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