Inventor · Tokyo, JP

Masayoshi Abe

70Patents
18h-index
86Co-inventors
87Inventor score

Filing activity: May 11, 1976 → Jul 27, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5903854A High-frequency amplifier, transmitting device and receiving device Electricity 215 Expired
US6823181B1 Universal platform for software defined radio Electricity 148 Expired
US4888305A Method for photo annealing non-single crystalline semiconductor films Emerging Cross-Sectional Technologies 126 Expired
US4986213A Semiconductor manufacturing device Emerging Cross-Sectional Technologies 97 Expired
US5296405A Method for photo annealing non-single crystalline semiconductor films Emerging Cross-Sectional Technologies 81 Expired
US5821597A Photoelectric conversion device Emerging Cross-Sectional Technologies 75 Expired
US4806496A Method for manufacturing photoelectric conversion devices Emerging Cross-Sectional Technologies 62 Expired
US6118989A High frequency variable gain amplifier device and wireless communications terminal Emerging Cross-Sectional Technologies 57 Expired
US7095090B2 Photoelectric conversion device Emerging Cross-Sectional Technologies 53 Expired
US6741127B2 High-frequency amplifier circuit and radio communication apparatus using same Electricity 39 Expired
US5171710A Method for photo annealing non-single crystalline semiconductor films Emerging Cross-Sectional Technologies 34 Expired
US4786607A Method for manufacturing a semiconductor device free from current leakage through a semiconductor layer Emerging Cross-Sectional Technologies 33 Expired
US4725558A Semiconductor defects curing method and apparatus Emerging Cross-Sectional Technologies 30 Expired
US6720576B1 Plasma processing method and photoelectric conversion device Emerging Cross-Sectional Technologies 25 Expired
US5155716A Servo system for optical recording/reproducing drive Physics 22 Expired
US5089426A Method for manufacturing a semiconductor device free from electrical shortage due to pin-hole formation Emerging Cross-Sectional Technologies 22 Expired
US4084105A LSI layout and method for fabrication of the same Electricity 22 Expired
US4987005A Chemical vapor processing method for deposition or etching on a plurality of substrates Chemistry; Metallurgy 20 Expired
US4847669A Tandem photoelectric conversion device Emerging Cross-Sectional Technologies 17 Expired
US6803814B1 Demodulator and method for the demodulation of modulated RF signals Electricity 17 Expired
US6900693B2 Power amplifying apparatus and radio communications apparatus using same Electricity 15 Expired
US4937651A Semiconductor device free from the current leakage through a semiconductor layer and method for manufacturing same Emerging Cross-Sectional Technologies 15 Expired
US7957476B2 Wireless communicaton apparatus Electricity 13 Active
US6459664B1 Optical disc tilt control apparatus Physics 12 Expired
US6748203B1 Three port structure with modulated LO signal Electricity 12 Expired

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