Inventor · Tokyo, JP

Yuji Tamaru

28Patents
3h-index
37Co-inventors
59Inventor score

Filing activity: Feb 9, 2011 → Jun 15, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8439485B2 Substrate including a detection feature for liquid discharge head and liquid discharge head Performing Operations; Transporting 7 Active
US11117380B2 Liquid ejection apparatus and method of controlling liquid ejection apparatus Performing Operations; Transporting 4 Active
US9033457B2 Print head and ink jet printing apparatus Performing Operations; Transporting 3 Active
US8523329B2 Inkjet printhead substrate, inkjet printhead, and inkjet printing apparatus Performing Operations; Transporting 2 Active
US8943690B2 Method for manufacturing substrate for liquid ejection head and method for manufacturing liquid ejection head Emerging Cross-Sectional Technologies 1 Active
US9833992B2 Recording-element substrate, recording head, and recording apparatus Performing Operations; Transporting 1 Active
US11981142B2 Liquid storing container and liquid ejection device Performing Operations; Transporting 1 Active
US11192381B2 Liquid ejection apparatus and liquid filling method Performing Operations; Transporting 1 Active
US11298945B2 Liquid replenishing system Performing Operations; Transporting 1 Active
US10500851B2 Print element substrate, printhead, and printing apparatus Performing Operations; Transporting 1 Active
US11433677B2 Liquid storage device and liquid filling method Performing Operations; Transporting 1 Active
US11312144B2 Inkjet printing apparatus Chemistry; Metallurgy 0 Active
US10150295B2 Liquid ejection head and method for manufacturing the same Performing Operations; Transporting 0 Active
US10252521B2 Liquid discharge head Performing Operations; Transporting 0 Active
US10081184B2 Liquid discharge head Performing Operations; Transporting 0 Active
US11772378B2 Printing element and method for manufacturing same Performing Operations; Transporting 0 Active
US10144219B2 Liquid discharge head Performing Operations; Transporting 0 Active
US10730299B2 Method for manufacturing liquid discharge head, liquid discharge head, and method for manufacturing liquid discharge head substrate Performing Operations; Transporting 0 Active
US10259222B2 Liquid ejection head and liquid ejection apparatus Performing Operations; Transporting 0 Active
US10239317B2 Method for manufacturing liquid discharge head, liquid discharge head, and method for manufacturing liquid discharge head substrate Performing Operations; Transporting 0 Active
US10300699B2 Liquid discharge head, liquid discharge apparatus, and manufacturing method Performing Operations; Transporting 0 Active
US11780233B2 Inkjet printing apparatus Chemistry; Metallurgy 0 Active
US11975543B2 Liquid replenishing system Performing Operations; Transporting 0 Active
US11358393B2 Liquid ejection apparatus Performing Operations; Transporting 0 Active
US12263682B2 Liquid ejection apparatus Performing Operations; Transporting 0 Active

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