Inventor

SUMITOMO YUJI

18 patents

⚠️ This page may combine multiple inventors who share the name “SUMITOMO YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO YUJI

NIPPON TELEGRAPH & TELEPHONE

Ink liquid warmer for ink jet system printer

Integrated ink liquid supply system in an ink jet system printer

Vertical tabulation control for high speed printer

Ink jet system printer with temperature compensation

Ink liquid supply system for ink jet system printer

Rotary deflection electrodes in an ink jet system printer

Ink dust removal for ink jet system printer

Distortion reduction in ink jet system printer

Grooved deflection electrodes in an ink jet system printer

Compound matrix formation in an ink jet system printer

Distortion reduction in ink jet system printer

Deflection means including a deflection electrode mounted on a travelling carriage in an ink jet system printer

SHARP KK

Recording and reproducing system for selectively reproducing portions of recorded sound using an index

Recording and reproducing data using batch erasable nonvolatile semiconductor memories capable of selectively erasing one of a plurality of data groups stored in one of the memories

Ink liquid viscosity control in an ink liquid supply system for an ink jet system printer

Sound recording and reproducing apparatus for detecting and compensating for recorded periods of silence during replay

Recording apparatus for providing lustrous printing

Carriage position control in a printer of the carriage traveling mode