Inventor · Akishima, JP

Takahiro Tanaka

70Patents
8h-index
122Co-inventors
81Inventor score

Filing activity: Feb 7, 1989 → Aug 4, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7253350B2 Vibration source driving device Performing Operations; Transporting 89 Expired
US5889224A Karaoke scoring apparatus analyzing singing voice relative to melody data Physics 71 Expired
US5804752A Karaoke apparatus with individual scoring of duet singers Physics 55 Expired
US5902950A Harmony effect imparting apparatus and a karaoke amplifier Emerging Cross-Sectional Technologies 35 Expired
US4914809A Chip mounting apparatus Emerging Cross-Sectional Technologies 30 Expired
US8272785B2 Bearing mechanism having sliding bearing Mechanical Engineering; Lighting; Heating 14 Active
US7301094B1 Device for driving vibration source Performing Operations; Transporting 14 Expired
US7798504B2 Bush bearing and rack-and-pinion type steering apparatus for automobile using the same Mechanical Engineering; Lighting; Heating 12 Active
US5824935A Music apparatus for independently producing multiple chorus parts through single channel Physics 8 Expired
US7354082B2 Bumper structure for vehicle Performing Operations; Transporting 8 Expired
US8000393B2 Video encoding apparatus and video encoding method Electricity 7 Active
US9183754B2 Music score display device, music score display method and storage medium Physics 5 Active
US7961977B2 Image processing apparatus, display device, and image processing method for edge-preserving smoothing Physics 4 Active
US7099704B2 Music player applicable to portable telephone terminal Physics 3 Expired
US6016948A Method of forming pipe spigot ridge Performing Operations; Transporting 3 Expired
US8540280B2 Steering apparatus Performing Operations; Transporting 3 Active
US7120803B2 Portable appliance for reproducing a musical composition, power saving method, and storage medium therefor Physics 3 Expired
US9764398B2 Helical blade cutter Emerging Cross-Sectional Technologies 3 Active
US7451330B2 Portable appliance, power saving method and sound volume compensating method, and storage medium Physics 2 Expired
US8348289B2 Rack-and-pinion mechanism and steering system Emerging Cross-Sectional Technologies 2 Active
US8446965B2 Compression noise reduction apparatus, compression noise reduction method, and storage medium therefor Electricity 2 Active
US7739793B2 Method of manufacturing rack guide base body in rack-and-pinion type steering apparatus and rack guide Emerging Cross-Sectional Technologies 2 Active
US8869646B2 Steering device Performing Operations; Transporting 2 Active
US9018503B2 Practice time calculating apparatus, a practice time calculating method, and a computer readable recording medium Physics 2 Active
US8576572B2 Electronic device Electricity 1 Active

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