Inventor · disambiguated record
Tsutomu Kito
Also filed as: KITO TSUTOMU
18 granted patents·7 pending applications·978 citations·filing 1981–2006
96Inventor score
Files withPILOT INK CO LTD12MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7KITO TSUTOMU1KURARAY CO1PANASONIC CORP1
Top patents by PatentIndex Score
25 records- 0198US4720301AReversible heat sensitive recording compositionPILOT INK CO LTD·Filed 1985·Granted Jan 19, 1988·156 cites·2 claims
- 0297US4425161AThermochromic materialsSHIBAHASHI YUTAKA·Filed 1981·Granted Jan 10, 1984·199 cites·6 claims
- 0395US4732810AReversible temperature-indicating compositionPILOT INK CO LTD·Filed 1985·Granted Mar 22, 1988·76 cites·4 claims
- 0494US5785746APreparation method for shear-thinning water-based ball-point pen inks compositions and ball-point pens employing the samePILOT INK CO LTD·Filed 1997·Granted Jul 28, 1998·55 cites·18 claims
- 0592US5153066ATemperature-sensitive color-changeable composite fiberKURARAY CO·Filed 1990·Granted Oct 6, 1992·82 cites·9 claims
- 0691US5490956AThermochromic opaque composition, laminate member employing the same, and three-dimensional member employing said laminate member and capable of concealing and revealing the interiorPILOT INK CO LTD·Filed 1993·Granted Feb 13, 1996·59 cites·11 claims
- 0789US5085607AToy that stably exhibits different colors with indicator for proper temperature applicationPILOT INK CO LTD·Filed 1990·Granted Feb 4, 1992·59 cites·32 claims
- 0888US5011445AColor memory toy setPILOT INK CO LTD·Filed 1990·Granted Apr 30, 1991·58 cites·6 claims
- 0982US4865648AReversible heat sensitive recording compositionKITO TSUTOMU·Filed 1987·Granted Sep 12, 1989·33 cites·2 claims
- 1076US5716253AThermally color-changeable toyPILOT INK CO LTD·Filed 1996·Granted Feb 10, 1998·38 cites·11 claims
- 1172US5879443ATemperature-sensitive color-memorizing microencapsulated pigmentPILOT INK CO LTD·Filed 1997·Granted Mar 9, 1999·25 cites·2 claims
- 1269US6498203B1Rubber-erasable aqueous ink for writing material composition and writing materials using the samePILOT INC CO LTD·Filed 1999·Granted Dec 24, 2002·30 cites·23 claims
- 1368US5721059ATemperature-dependent color/transparency storing resin composition and laminate member employing the samePILOT INK CO LTD·Filed 1996·Granted Feb 24, 1998·37 cites·16 claims
- 1462US7221940B2Server on wireless network communicates with terminal on cellular networkMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 22, 2007·9 cites·10 claims
- 1560US5079049AArtificial plant that stably exhibits different colorsPILOT INK CO LTD·Filed 1990·Granted Jan 7, 1992·20 cites·21 claims
- 1658US5585425AThermochromic opaque/transparent composition, laminate member employing the same, and three-dimensional member employing said laminate member and capable of concealing and revealing the interiorPILOT INK CO LTD·Filed 1995·Granted Dec 17, 1996·20 cites·14 claims
- 1752US7636347B2Integrated radio communication system, mobile communication system, switching apparatus, radio terminal, and communication methodPANASONIC CORP·Filed 2003·Granted Dec 22, 2009·2 cites·48 claims
- 1843US2006135124A1Unitary management authentication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 1942US5932992AMethod for energizing energization-operated toy element and energization-operated toyPILOT INK CO LTD·Filed 1998·Granted Aug 3, 1999·20 cites·1 claims
- 2042US2009037734A1Device authentication system, mobile terminal device, information device, device authenticating server, and device authenticating methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 2140US2007288606A1Communication Terminal Apparatus, Electric Device And Communication MethodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 2240US2008062977A1Electric Device, Server Apparatus, Mobile Terminal, Communication System, Communication Method and ProgramMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 2340US2009217376A1Home-use information product and mobile terminalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 2438US2008133773A1Reporting System, Mobile Terminal Device, and Server DeviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 2529US2003087580A1Color memory toyFiled 1994·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →