Inventor · disambiguated record
Ryuichi Ugajin
Also filed as: UGAJIN RYUICHI
25 granted patents·4 pending applications·493 citations·filing 1992–2005
96Inventor score
Files withSONY CORP25
Top patents by PatentIndex Score
29 records- 0193US5229320AMethod for forming quantum dotsSONY CORP·Filed 1992·Granted Jul 20, 1993·111 cites·23 claims
- 0289US5608231AField effect transistor having channel with plural quantum boxes arranged in a common planeSONY CORP·Filed 1996·Granted Mar 4, 1997·79 cites·8 claims
- 0386US5332952AQuantum phase interference transistorSONY CORP·Filed 1992·Granted Jul 26, 1994·40 cites·1 claims
- 0477US6353689B1Apparatus for and method of processing image and information recording mediumSONY CORP·Filed 1998·Granted Mar 5, 2002·56 cites·12 claims
- 0571US5204588AQuantum phase interference transistorSONY CORP·Filed 1992·Granted Apr 20, 1993·18 cites·4 claims
- 0666US5289077AMicroelectronic ballistic transistorSONY CORP·Filed 1992·Granted Feb 22, 1994·18 cites·13 claims
- 0765US5719407ACollective element of quantum boxesSONY CORP·Filed 1995·Granted Feb 17, 1998·35 cites·7 claims
- 0864US5831294AQuantum box structure and carrier conductivity modulating deviceSONY CORP·Filed 1997·Granted Nov 3, 1998·19 cites·9 claims
- 0964US5663571AQuantum memorySONY CORP·Filed 1995·Granted Sep 2, 1997·31 cites·26 claims
- 1059US6525337B1Light and/or electron elementSONY CORP·Filed 2000·Granted Feb 25, 2003·8 cites·6 claims
- 1155US7113931B1Method of fabricating a fractal structure for constructing complex neural networksSONY CORP·Filed 2000·Granted Sep 26, 2006·5 cites·23 claims
- 1255US6584234B2Apparatus for and method of processing image and information recording mediumSONY CORP·Filed 2001·Granted Jun 24, 2003·5 cites·24 claims
- 1350US7135071B2Fractal structure and method of forming itSONY CORP·Filed 2001·Granted Nov 14, 2006·1 cites·19 claims
- 1450US7101434B2Fractal structure and its forming methodSONY CORP·Filed 2001·Granted Sep 5, 2006·3 cites·18 claims
- 1550US6952019B2Electron device which controls quantum chaos and quantum chaos controlling methodSONY CORP·Filed 2004·Granted Oct 4, 2005·2 cites·2 claims
- 1649US6392914B1Storage device encompassing a diffusion process and a dissipation process of information carriers and storage method thereofSONY CORP·Filed 1998·Granted May 21, 2002·11 cites·21 claims
- 1747US2005156160A1Electron device which controls quantum chaos and quantum chaos controlling methodFiled 2005·Application pending·0 cites
- 1846US6581002B2Information processing method and information processing apparatusSONY CORP·Filed 2001·Granted Jun 17, 2003·4 cites·6 claims
- 1945US7061007B1Ferromagnetic fractal combination structureSONY CORP·Filed 2000·Granted Jun 13, 2006·1 cites·3 claims
- 2045US5512762AQuantum device with plural stable statesSONY CORP·Filed 1994·Granted Apr 30, 1996·9 cites·4 claims
- 2143US5294807AQuantum effect device in which conduction between a plurality of quantum dots or wires is achieved by tunnel transitionSONY CORP·Filed 1992·Granted Mar 15, 1994·9 cites·12 claims
- 2242US6020605AQuantum box structure and carrier conductivity modulating deviceSONY CORP·Filed 1998·Granted Feb 1, 2000·6 cites·10 claims
- 2341US6759676B2Multiply-complexed one-dimensional structure, multiply-twisted helix, multiply-looped ring structure and functional materialSONY CORP·Filed 2001·Granted Jul 6, 2004·1 cites·78 claims
- 2441US5643828AManufacturing method of a quantum deviceSONY CORP·Filed 1995·Granted Jul 1, 1997·11 cites·7 claims
- 2540US5828090ACharge transfer deviceSONY CORP·Filed 1995·Granted Oct 27, 1998·6 cites·13 claims
- 2638US2003134750A1Multiplex winding helical structure and fuctional materialFiled 2001·Application pending·0 cites
- 2737US2004032786A1Fractal structure and its producing method, functional material and its producing method, and functional device and its producing methodFiled 2002·Application pending·0 cites
- 2836US2004169204A1Multiply-complexed one-dimensional structure, multiply-twisted helix, multiply-looped ring structure and functional materialFiled 2004·Application pending·0 cites
- 2934US5430309AData processing system formed of a collective element of quantum boxes and method of operation thereofSONY CORP·Filed 1993·Granted Jul 4, 1995·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →