Inventor · Yokohama, JP

Toru Teshima

27Patents
12h-index
27Co-inventors
81Inventor score

Filing activity: Oct 24, 1975 → Jul 31, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4271408A Colored-light emitting display Emerging Cross-Sectional Technologies 496 Expired
US7103368B2 Apparatus and method for delivery of advertisement information to mobile units Electricity 241 Expired
US7449798B2 Co-generated power supply system Emerging Cross-Sectional Technologies 90 Expired
US4663718A Display unit for trip computer Physics 29 Expired
US4556286A Multilayer guest host liquid crystal display without polarizers Physics 26 Expired
US4234817A Flat type fluorescent lamp Electricity 25 Expired
US4396250A Multilayer guest host liquid crystal display without polarizers Physics 23 Expired
US4389095A Multi-colored liquid crystal display device with characters not displaying shifts in positions even upon color changes Physics 15 Expired
US5828563A Single phase input hybrid rectification method employing auxiliary rectification Emerging Cross-Sectional Technologies 15 Expired
US6049472A Power factor improving circuit Emerging Cross-Sectional Technologies 14 Expired
US4334725A Method for making a fluorescent lamp Electricity 13 Expired
US4578043A Method and apparatus for manufacturing light bulb with bead sealing gas Electricity 13 Expired
US4584461A Planar heater for liquid crystal element Electricity 12 Expired
US4414558A Hetero-junction light-emitting diode Electricity 11 Expired
US4291949A Positive-type display device using guest-host type mixture of liquid crystals and dyes Physics 11 Expired
US5650923A Single phase input-three phase full bridge rectifier circuit and single phase input-pseudo four phase full bridge rectifier circuit Emerging Cross-Sectional Technologies 9 Expired
US4072005A Clock device Physics 9 Expired
US4272702A Fluorescent lamp Electricity 8 Expired
US4160447A Device for detecting particular point of human body Human Necessities 7 Expired
US4624531A Liquid crystal device with a positive display Physics 7 Expired
US4019196A Indicating element and method of manufacturing same Physics 6 Expired
US4724304A Planar heater for liquid crystal element Electricity 6 Expired
US4155351A Medical instrument for detecting body impedance Human Necessities 4 Expired
US4226929A Flexible multi-layer photoreceptor of electrophotography Physics 4 Expired
US4829154A Planar heater for liquid crystal element Electricity 3 Expired

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