Inventor · Yokohama, JP

Tetsuya Kondo

198Patents
21h-index
76Co-inventors
93Inventor score

Filing activity: Jun 13, 1974 → Mar 27, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6347993B1 Video game device, character growth control method for video game and readable storage medium storing growth control program Human Necessities 146 Expired
US6183545A Aqueous solutions for obtaining metals by reductive deposition Emerging Cross-Sectional Technologies 61 Expired
US5538773A Optical recording medium and the reproducing apparatus for the optical recording medium Emerging Cross-Sectional Technologies 57 Expired
US6606104B1 Video game device, guide display method for video game and readable storage medium storing guide display program Human Necessities 45 Expired
US6254966A Information recording mediums, supporter used in the mediums, manufacture methods of the supporter, manufacturing apparatus of the supporter and stampers for producing the mediums Emerging Cross-Sectional Technologies 43 Expired
US6930977B1 Optical information recording medium, and substrate and manufacturing method for the optical information recording medium Physics 43 Expired
US5708827A Spread sheet calculation method and apparatus by extracting an area to be updated by a calculation formula Physics 41 Expired
US6111390A Magneto-equipped power device Electricity 40 Expired
US6530834B2 Training game device, control method thereof, and readable storage medium for storing training game programs Human Necessities 30 Expired
US6744725B2 Information recording medium Emerging Cross-Sectional Technologies 30 Expired
US7088670B2 Information recording carrier and method of reproducing the same Physics 30 Expired
US6693873B2 Information recording medium having parallel grooves with alternating convex-concave sections Physics 27 Expired
US8226446B2 Terminal connector for a regulator Emerging Cross-Sectional Technologies 27 Active
US6122245A Optical recording medium and reproducing apparatus for optical recording medium Physics 27 Expired
US6600716B1 Information recording medium and reproducing apparatus therefor Physics 26 Expired
US6982127B2 Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof Emerging Cross-Sectional Technologies 25 Expired
US6582793B2 Information recording medium Emerging Cross-Sectional Technologies 25 Expired
US6363043B1 DISKLIKE RECORDING MEDIA, A METHOD FOR DETECTING FORGED DISKS, AN ANTI-FORGERY SYSTEM FOR PERFORMING A TRUE-FALSE JUDGEMENT BASED ON INFORMATION COLLECTED FROM THE RECORDING MEDIA, AND A MANUFACTURING APPARATUS FOR RECORDING INFORMATION IN THE DISKS Physics 23 Expired
US5078947A Method and apparatus for the fabrication of optical record media such as a digital audio disc Emerging Cross-Sectional Technologies 23 Expired
US5008176A Information recording medium having a glass substrate Emerging Cross-Sectional Technologies 23 Expired
US6083597A Information recording carrier and manufacturing method thereof Emerging Cross-Sectional Technologies 21 Expired
US6683985B1 Method of discriminating shape of free-form curved surface Emerging Cross-Sectional Technologies 21 Expired
US4442822A Ignition position controlling apparatus for multicylinder internal combustion engine Emerging Cross-Sectional Technologies 20 Expired
US6925050B2 Information recording medium Emerging Cross-Sectional Technologies 19 Expired
US5770348A Optical disk and method for its manufacture Emerging Cross-Sectional Technologies 19 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.