Inventor · Tachikawa, JP

Mitsuo Usami

74Patents
19h-index
86Co-inventors
87Inventor score

Filing activity: Nov 18, 1988 → Nov 22, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5870289A Chip connection structure having diret through-hole connections through adhesive film and wiring substrate Electricity 331 Expired
US5067007A Semiconductor device having leads for mounting to a surface of a printed circuit board Emerging Cross-Sectional Technologies 244 Expired
US6922686B2 Database integration management method and apparatus and processing program, medium therefor Emerging Cross-Sectional Technologies 96 Expired
US6342434B1 Methods of processing semiconductor wafer, and producing IC card, and carrier Electricity 73 Expired
US5909052A Semiconductor device having plural chips with the sides of the chips in face-to-face contact with each other in the same crystal plane Electricity 68 Expired
US7061083B1 Semiconductor devices Electricity 65 Expired
US5423209A Truncated pyramid-shape multi-hole pitot probe and flight velocity detection system using said truncated pyramid-shape multi-hole pitot probe Physics 53 Expired
US5206546A Logic circuit including variable impedance means Electricity 39 Expired
US5237214A High speed logic circuit and semiconductor integrated circuit device including variable impedance to provide reduced power consumption Electricity 39 Expired
US7119662B1 Service system, information processing system and interrogator Electricity 34 Expired
US6589855B2 Methods of processing semiconductor wafer and producing IC card, and carrier Electricity 32 Expired
US7159241B1 Method for the determination of soundness of a sheet-shaped medium, and method for the verification of data of a sheet-shaped medium Electricity 31 Expired
US6440773B1 Semiconductor device Electricity 28 Expired
US6588672B1 Semiconductor device Electricity 25 Expired
US6051877A Semiconductor device and fabrication method Electricity 23 Expired
US6291877A Flexible IC chip between flexible substrates Electricity 22 Expired
US6140697A Semiconductor device Electricity 21 Expired
US7051205B1 Sheet-shaped medium, method and apparatus for determination of genuineness or counterfeitness of the same, and apparatus for issuing certificate Electricity 20 Expired
US5689136A Semiconductor device and fabrication method Electricity 20 Expired
US5208178A Manufacturing a semiconductor integrated circuit device having on chip logic correction Electricity 18 Expired
US5986341A Semiconductor device Electricity 18 Expired
US6659353B1 Method of checking authenticity of sheet with built-in electronic circuit chip Physics 17 Expired
US6166911A Semiconductor integrated circuit card assembly Electricity 17 Expired
US5214318A Semiconductor integrated circuit device having a signal transmission line pair interconnected by propagation delay time control resistance Electricity 17 Expired
US6617172B2 Semiconductor device having identification number, manufacturing method thereof and electronic device Electricity 16 Expired

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