Inventor · Kawasaki, JP

Yasuhiro Numata

26Patents
14h-index
35Co-inventors
81Inventor score

Filing activity: Jan 17, 1992 → Nov 9, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5625384A Ink jet recording apparatus and method using replaceable recording heads Performing Operations; Transporting 69 Expired
US5617122A Recording apparatus and method for controlling recording head driving timing Physics 56 Expired
US5870114A Image recording apparatus with improved conveying system for recording medium Performing Operations; Transporting 46 Expired
US5894314A Ink jet recording apparatus using thermal energy Performing Operations; Transporting 39 Expired
US6457794B1 Ink jet recording method and apparatus for controlling recording signal parameters Performing Operations; Transporting 37 Expired
US5475404A Ink jet recording apparatus with controlled recovery operation Performing Operations; Transporting 37 Expired
US5861895A Ink jet recording method and apparatus controlling driving signals in accordance with head temperature Performing Operations; Transporting 35 Expired
US5956052A Image forming apparatus with means for correcting image density non-uniformity Physics 33 Expired
US6086185A Ink jet recording method and ink jet recording apparatus Performing Operations; Transporting 20 Expired
US6116710A Ink jet recording method and apparatus using thermal energy Performing Operations; Transporting 17 Expired
US6231155A Image forming apparatus Physics 16 Expired
US5717443A Ink jet recording apparatus including an ink recovery system operated in correlation with the ink sheet feeding system Performing Operations; Transporting 14 Expired
US6109724A Ink jet recording apparatus Performing Operations; Transporting 14 Expired
US6095703A Image recording apparatus utilizing serial recording head and sheet feed and image recording method therefor Performing Operations; Transporting 14 Expired
US6126266A Ink jet recording apparatus and method using replaceable recording heads Performing Operations; Transporting 12 Expired
US6595515B2 Sheet conveying device with increased electric voltage Performing Operations; Transporting 9 Expired
US6565184B1 Ink jet recording apparatus with recovery based on manufacturing time Performing Operations; Transporting 9 Expired
US6310636A Ink jet recording method and apparatus for driving recording head based on head temperature Performing Operations; Transporting 9 Expired
US6164761A Sheet adhering conveying apparatus and recording apparatus Performing Operations; Transporting 8 Expired
US6106097A Ink jet recording apparatus having an exchangeable ink jet head cartridge mountable thereon and recovery method of said cartridge Performing Operations; Transporting 6 Expired
US6257701A Ink jet recording apparatus having an exchangeable ink jet head cartridge mountable thereon and recovery method of said cartridge Performing Operations; Transporting 4 Expired
US6860579B2 Ink jet recording apparatus and method using replaceable recording heads Performing Operations; Transporting 1 Expired
US5984453A Recording apparatus and method by time-division drive Performing Operations; Transporting 0 Expired
US7500739B2 Ink jet recording apparatus and method using replaceable recording heads Performing Operations; Transporting 0 Expired
US11294606B2 Print system including a learned model to select a printer Physics 0 Active

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