Inventor · disambiguated record
Tetsuo Ozawa
Also filed as: OZAWA TETSUO
28 granted patents·4 pending applications·353 citations·filing 1975–2011
97Inventor score
Files withMITSUBISHI CHEM IND14HITACHI LTD6MITSUBISHI CHEM CORP4AONUMA MASASHI1CALIFORNIA INST OF TECHN1
Top patents by PatentIndex Score
32 records- 0189US4769307AOptical recording memberMITSUBISHI CHEM IND·Filed 1986·Granted Sep 6, 1988·41 cites·7 claims
- 0287US4493532APleochroic azo dyes, a liquid crystal composition containing the azo dyes and a display device using the liquid crystal compositionHITACHI LTD·Filed 1982·Granted Jan 15, 1985·18 cites·2 claims
- 0385US6638624B2Squarylium dye and filter for display deviceMITSUBISHI CHEM CORP·Filed 2001·Granted Oct 28, 2003·14 cites·15 claims
- 0481US6836383B1Diphenylsquarylium compound and filter for display containing the sameMITSUBISHI CHEM CORP·Filed 2003·Granted Dec 28, 2004·18 cites·9 claims
- 0580US6746629B2Squarylium compounds, filters for plasma display panels employing them, and plasma display panel devicesMITSUBISHI CHEM CORP·Filed 2001·Granted Jun 8, 2004·9 cites·20 claims
- 0678US5037575ASquarilium compound and liquid crystal composition containing the sameMITSUBISHI CHEM IND·Filed 1990·Granted Aug 6, 1991·20 cites·13 claims
- 0775US5026505AGuest-host type liquid crystal compositionHITACHI LTD·Filed 1982·Granted Jun 25, 1991·10 cites·41 claims
- 0875US4043668APortable reflectance spectrometerCALIFORNIA INST OF TECHN·Filed 1975·Granted Aug 23, 1977·23 cites·10 claims
- 0973US4454057ALiquid crystal compositionHITACHI LTD·Filed 1982·Granted Jun 12, 1984·9 cites·5 claims
- 1072US4959172ALiquid crystal composition containing a pleochroic azo type compoundMITSUBISHI CHEM IND·Filed 1988·Granted Sep 25, 1990·13 cites·13 claims
- 1171US6824938B2Electrophotographic photoreceptorMITSUBISHI CHEM CORP·Filed 2002·Granted Nov 30, 2004·13 cites·19 claims
- 1269US4434072ALiquid crystal compositionMITSUBISHI CHEM IND·Filed 1982·Granted Feb 28, 1984·8 cites·6 claims
- 1366US4528113AAnthraquinone dye and liquid crystal composition containing the dyeMITSUBISHI CHEM IND·Filed 1984·Granted Jul 9, 1985·7 cites·9 claims
- 1465US8612221B2Portable terminal and management systemYOSHIZAWA JUNICHI·Filed 2010·Granted Dec 17, 2013·5 cites·10 claims
- 1563US5280373ALight modulating device including a liquid crystal, a polymer and dichroic dyes having maximum absorption in the different wavelength regionsMITSUBISHI CHEM IND·Filed 1992·Granted Jan 18, 1994·30 cites·6 claims
- 1659US4840640APolarizing film: polymer film base containing substituted anthraquinone dichroic dyeMITSUBISHI CHEM IND·Filed 1987·Granted Jun 20, 1989·21 cites·6 claims
- 1758US5804170ADeodorant compositionTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Sep 8, 1998·19 cites·17 claims
- 1857US4756987AOptical recording mediumMITSUBISHI CHEM IND·Filed 1986·Granted Jul 12, 1988·10 cites·21 claims
- 1954US4479885APhthalonitrile derivatives and a liquid crystal composition containing the sameHITACHI LTD·Filed 1983·Granted Oct 30, 1984·13 cites·7 claims
- 2053US4483593AGuest-host type liquid crystal composition and liquid crystal display deviceHITACHI LTD·Filed 1982·Granted Nov 20, 1984·4 cites·15 claims
- 2152US4737443AOptical recording mediumMITSUBISHI CHEM IND·Filed 1985·Granted Apr 12, 1988·8 cites·7 claims
- 2248US5104572AAzo compound and liquid crystal composition containing the sameMITSUBISHI CHEM IND·Filed 1989·Granted Apr 14, 1992·12 cites·18 claims
- 2348US4610804AAnthraquinone dyes and liquid crystal compositions including the sameHITACHI LTD·Filed 1984·Granted Sep 9, 1986·3 cites·20 claims
- 2441US4841057ACyclic imido anthraquinone compoundsMITSUBISHI CHEM IND·Filed 1988·Granted Jun 20, 1989·7 cites·2 claims
- 2540US5013474ALiquid crystal display deviceSONY CORP·Filed 1988·Granted May 7, 1991·8 cites·3 claims
- 2638US4507221AAnthraquinone dye and liquid crystal composition containing the sameMITSUBISHI CHEM IND·Filed 1983·Granted Mar 26, 1985·6 cites·4 claims
- 2738US2009047368A1Polymeric polyphenol extracted from fermented tea, therapeutic agent for mitochondrial disease, preventive/therapeutic agent for diabetes mellitus, and food or beverageUNIV TSUKUBA·Filed 2005·Application pending·0 cites
- 2835US2005046321A1Display apparatusFiled 2002·Application pending·0 cites
- 2933US2004232813A1Electronic display-use filter and electronic display unit using the filterFiled 2002·Application pending·0 cites
- 3033US2011282662A1Customer Service Data Recording Device, Customer Service Data Recording Method, and Recording MediumAONUMA MASASHI·Filed 2011·Application pending·0 cites
- 3131US4921959AAnthraquinone compounds and polarizing film containing the sameMITSUBISHI CHEM IND·Filed 1989·Granted May 1, 1990·2 cites·3 claims
- 3226US4985171AAnthraquinone type compound and liquid crystal composition containing such compoundMITSUBISHI CHEM IND·Filed 1990·Granted Jan 15, 1991·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →