Inventor · disambiguated record
Tsuyoshi Obikawa
Also filed as: OBIKAWA TSUYOSHI
10 granted patents·135 citations·filing 1985–2008
89Inventor score
Top patents by PatentIndex Score
10 records- 0193US6650463B2Electrophoretic display deviceSEIKO EPSON CORP·Filed 2002·Granted Nov 18, 2003·68 cites·6 claims
- 0277US4684220A2-phenylpyridine derivatives and liquid crystal compositions including sameSEIKO EPSON CORP·Filed 1985·Granted Aug 4, 1987·24 cites·12 claims
- 0373US4723018A2-phenylpyridine derivativesSEIKO EPSON CORP·Filed 1987·Granted Feb 2, 1988·11 cites·9 claims
- 0464US5061400ALiquid crystal compoundsSEIKO EPSON CORP·Filed 1989·Granted Oct 29, 1991·7 cites·11 claims
- 0561US8144303B2Liquid crystal apparatus, projection apparatus and electronic equipmentTERAO KOICHI·Filed 2008·Granted Mar 27, 2012·0 cites·10 claims
- 0658US4879060A2-phenylpyridine derivatives and liquid crystal compositions including sameSEIKO EPSON CORP·Filed 1987·Granted Nov 7, 1989·11 cites·11 claims
- 0748US5200110APyrimidine derivatives and liquid crystal compositions including sameSEIKO EPSON CORP·Filed 1992·Granted Apr 6, 1993·3 cites·20 claims
- 0844US5026879A1,3-dioxane derivatives and composition including sameSEIKO EPSON CORP·Filed 1990·Granted Jun 25, 1991·2 cites·13 claims
- 0942US5238599A1,3-dioxane derivatives, methods of preparation and liquid crystal compositions including sameSEIKO EPSON CORP·Filed 1990·Granted Aug 24, 1993·7 cites·30 claims
- 1030US5354502A1,3-dioxane derivative and liquid crystal compositions containing itSEIKO EPSON CORP·Filed 1992·Granted Oct 11, 1994·2 cites·3 claims
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