Inventor · Hitachi, JP

Takashi Ohmori

108Patents
23h-index
100Co-inventors
93Inventor score

Filing activity: Jun 17, 1977 → Oct 4, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4567488A Thermal head drive device Performing Operations; Transporting 138 Expired
US4898001A Gas turbine combustor Mechanical Engineering; Lighting; Heating 126 Expired
US5805550A Recording medium capable of recording a first data-type and a second data-type, playback method and playback device for playing back from the recording medium, and recording device for recording first-type data and second type data on the recording medium Physics 123 Expired
US5069029A Gas turbine combustor and combustion method therefor Mechanical Engineering; Lighting; Heating 82 Expired
US5799212A Efficient recording medium Physics 81 Expired
US5388093A Disc recording and/or reproducing apparatus for recording continuous compressed data in plural data regions and disc therefor Physics 79 Expired
US5054280A Gas turbine combustor and method of running the same Mechanical Engineering; Lighting; Heating 54 Expired
US5687397A System for expansion of data storage medium to store user data Physics 51 Expired
US5737290A Recording medium capable of recording a first data-type and a second data-type, playback method and playback device for playing back from the recording medium, and recording device for recording first-type data and second-type data on the recording medium Physics 48 Expired
US4603548A Method of supplying fuel into gas turbine combustor Mechanical Engineering; Lighting; Heating 46 Expired
US4598553A Combustor for gas turbine Mechanical Engineering; Lighting; Heating 45 Expired
US4463301A Step motor driving circuit Electricity 45 Expired
US4563691A Thermo-sensitive recording apparatus Performing Operations; Transporting 44 Expired
US5737639A Method and apparatus for the recording and reproducing of data on a storage medium Physics 42 Expired
US5127229A Gas turbine combustor Mechanical Engineering; Lighting; Heating 41 Expired
US5408478A Apparatus for reproducing a recording with reduced error correction anomalies at linking portions Physics 41 Expired
US4587809A Premixing swirling burner Mechanical Engineering; Lighting; Heating 34 Expired
US4558374A Picture data processing device Electricity 33 Expired
US5279885A Ink-jet recording sheet Emerging Cross-Sectional Technologies 32 Expired
US4739420A Method and apparatus for recording and reproducing a digital signal on a record medium using a rotary head Chemistry; Metallurgy 28 Expired
US4709149A Copying machine Electricity 27 Expired
US4447832A Reproducing machine Electricity 23 Expired
US4385302A Multicolor recording apparatus Electricity 23 Expired
US4469433A Color copying machine using signal conversion Electricity 22 Expired
US5201181A Combustor and method of operating same Mechanical Engineering; Lighting; Heating 22 Expired

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