Inventor · disambiguated record
Ichiro Okamoto
Also filed as: OKAMOTO ICHIRO
48 granted patents·2 pending applications·486 citations·filing 1982–2018
98Inventor score
Files withDAICEL CHEM36SONY CORP5MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3DAICEL CORP1MINODA TOSHIHARU1
Top patents by PatentIndex Score
50 records- 0187US4818394ASeparating agentDAICEL CHEM·Filed 1988·Granted Apr 4, 1989·48 cites·20 claims
- 0285US4786415ASeparation agent comprising aliphatic ester of polysaccharideDAICEL CHEM·Filed 1987·Granted Nov 22, 1988·32 cites·10 claims
- 0381US5440404AImage signal compression apparatus and method using variable length encodingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 8, 1995·56 cites·20 claims
- 0477US4436896APolyester copolymerDAICEL CHEM·Filed 1982·Granted Mar 13, 1984·37 cites·4 claims
- 0575US4879038ASeparation agent comprising acyl- or carbamoyl-substituted polysaccharideDAICEL CHEM·Filed 1988·Granted Nov 7, 1989·14 cites·15 claims
- 0674US4415727AModified polyethylene terephthalate molding materialDAICEL CHEM·Filed 1982·Granted Nov 15, 1983·21 cites·9 claims
- 0772US9234881B2Sample detection method by thin-layer chromatography, thin-layer chromatography plate, and method for producing sameMINODA TOSHIHARU·Filed 2011·Granted Jan 12, 2016·4 cites·3 claims
- 0872US5539586AMethod and apparatus for recording digital data on a recording medium by recording ODD-numbered and even-numbered data segments and compressed digital data in distinct recording regionsSONY CORP·Filed 1995·Granted Jul 23, 1996·25 cites·9 claims
- 0972USRE34457ESeparating agentDAICEL CHEM·Filed 1992·Granted Nov 30, 1993·29 cites·21 claims
- 1072US4966694ASeparation agent comprising acyl- or carbamoyl-substituted polysaccharideDAICEL CHEM·Filed 1989·Granted Oct 30, 1990·12 cites·2 claims
- 1171US4786416AResolving agentDAICEL CHEM·Filed 1987·Granted Nov 22, 1988·8 cites·7 claims
- 1270US5489387ASeparation agent comprising acyl- or carbamoyl-substituted polysaccharideDAICEL CHEM·Filed 1995·Granted Feb 6, 1996·11 cites·9 claims
- 1369US4830752ASeparation agent comprising 1,3-glucanDAICEL CHEM·Filed 1987·Granted May 16, 1989·6 cites·12 claims
- 1467US7428008B2Video imaging device, video conversion device, and video edition deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 23, 2008·9 cites·17 claims
- 1567US4714555AAgent for separationDAICEL CHEM·Filed 1987·Granted Dec 22, 1987·14 cites·12 claims
- 1664US5017290ASeparation agent comprising acyl- or carbamoyl-substituted polysaccharideDAICEL CHEM·Filed 1989·Granted May 21, 1991·4 cites·9 claims
- 1762US11529569B2Column tube for chromatography, and column for chromatography employing sameDAICEL CORP·Filed 2018·Granted Dec 20, 2022·0 cites·13 claims
- 1861US5041226ASeparating with an agent comprising aliphatic ester of polysaccharideDAICEL CHEM·Filed 1989·Granted Aug 20, 1991·9 cites·7 claims
- 1961US4892659ASeparation agent comprising aliphatic ester of polysaccharideDAICEL CHEM·Filed 1988·Granted Jan 9, 1990·9 cites·9 claims
- 2059US5415769ASeparation agent comprising aliphatic or aromatic ester of polysaccharideDAICEL CHEM·Filed 1994·Granted May 16, 1995·3 cites·1 claims
- 2158USRE38435ESeparating agentDAICEL CHEM·Filed 1997·Granted Feb 24, 2004·6 cites·28 claims
- 2255US4606567ADoor latch operating deviceNISSAN MOTOR·Filed 1983·Granted Aug 19, 1986·13 cites·11 claims
- 2354US5315445AAudio signal recording apparatus and method for use with VTRSONY CORP·Filed 1991·Granted May 24, 1994·15 cites·7 claims
- 2454US5059328ASeparation agent comprising 1,3-glucanDAICEL CHEM·Filed 1991·Granted Oct 22, 1991·3 cites·9 claims
- 2552US5805469ADigital audio signal processing apparatus and method for error concealmentSONY CORP·Filed 1996·Granted Sep 8, 1998·16 cites·22 claims
- 2652US5415780ASeparation agent comprising acyl- or carbamoyl-substituted polysaccharideDAICEL CHEM·Filed 1994·Granted May 16, 1995·3 cites·9 claims
- 2751US5493414AMethod of dubbing digital video signalsSONY CORP·Filed 1993·Granted Feb 20, 1996·13 cites·10 claims
- 2850US6603363B1Oscillator and oscillator adjustment method with stepwise delaySONY CORP·Filed 2000·Granted Aug 5, 2003·6 cites·6 claims
- 2950US5604012AHollow fiber fabric and process for producing the sameTEIJIN LTD·Filed 1995·Granted Feb 18, 1997·14 cites·9 claims
- 3050US5137638ASeparation agent comprising acyl- or carbamoyl-substituted polysaccharideDAICEL CHEM·Filed 1991·Granted Aug 11, 1992·2 cites·9 claims
- 3146US5089138ASeparating with an agent comprising an aliphatic ester of a polysaccharideDAICEL CHEM·Filed 1991·Granted Feb 18, 1992·5 cites·10 claims
- 3246US4846968AResolving agentDAICEL CHEM·Filed 1988·Granted Jul 11, 1989·2 cites·11 claims
- 3344US5002669ASeparation agent comprising 1,3-glucanDAICEL CHEM·Filed 1989·Granted Mar 26, 1991·1 cites·9 claims
- 3444US4897198ASeparation agent comprising 1,3-glucanDAICEL CHEM·Filed 1989·Granted Jan 30, 1990·1 cites·9 claims
- 3543US5135653AOptical resolution with β-1,4-xylan dibenzoateDAICEL CHEM·Filed 1991·Granted Aug 4, 1992·2 cites·2 claims
- 3643US2005272462A1Electronic deviceOKAMOTO ICHIRO·Filed 2004·Application pending·0 cites
- 3742US2008057115A1Capsule Stable Against MasticationONO PHARMACEUTICAL CO·Filed 2005·Application pending·0 cites
- 3840US4672141APolyalkylene ether glycolsDAICEL CHEM·Filed 1986·Granted Jun 9, 1987·5 cites·2 claims
- 3938US5032277AOptical resolution with β-1,4-mannan tribenzoateDAICEL CHEM·Filed 1990·Granted Jul 16, 1991·6 cites·2 claims
- 4038US4931184AOptical resolution with tribenzoyl-b-1,4-chitosanDAICEL CHEM·Filed 1988·Granted Jun 5, 1990·4 cites·2 claims
- 4138US4599460APolyalkylene ether glycol copolymersDAICEL CHEM·Filed 1985·Granted Jul 8, 1986·3 cites·10 claims
- 4238US4418172APolyester composition containing 2-methyl-1,3-propylene glycol dibenzoateDAICEL CHEM·Filed 1982·Granted Nov 29, 1983·3 cites·5 claims
- 4337US5472599ASeparation agent comprising aliphatic or aromatic ester of polysaccharideDAICEL CHEM·Filed 1995·Granted Dec 5, 1995·2 cites·1 claims
- 4437US5334311ASeparation agent comprising aliphatic or aromatic ester of polysaccharideDAICEL CHEM·Filed 1993·Granted Aug 2, 1994·2 cites·1 claims
- 4537US5192444ASeparating with an agent comprising an aliphatic ester of a polysaccharideDAICEL CHEM·Filed 1991·Granted Mar 9, 1993·4 cites·9 claims
- 4636US5075009ASeparation agent comprising acyl- or carbamoyl-substituted polysaccharideDAICEL CHEM·Filed 1991·Granted Dec 24, 1991·1 cites·9 claims
- 4733US5229002ASeparation agent comprising acyl- or carbamoyl-substituted polysaccharideDAICEL CHEM·Filed 1992·Granted Jul 20, 1993·1 cites·9 claims
- 4831US5368737ASeparation agent comprising acyl-or carbamoyl-substituted polysaccharideDAICEL CHEM·Filed 1993·Granted Nov 29, 1994·0 cites·9 claims
- 4931US5260789AImage memory deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Nov 9, 1993·2 cites·2 claims
- 5030US5268098ASeparation agent comprising aliphatic or aromatic ester of polysaccharideDAICEL CHEM·Filed 1992·Granted Dec 7, 1993·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →