Inventor
HIRAMATSU KAZUNORI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “HIRAMATSU KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
17 patentsUS6512507B1Jan 28, 2003
Pointing position detection device, presentation system, and method, and computer-readable medium
SEIKO EPSON CORP146 citations98
US6339748B1Jan 15, 2002
Coordinate input system and display apparatus
SEIKO EPSON CORP245 citations98
US7876312B2Jan 25, 2011
Writing device for color electronic paper
SEIKO EPSON CORP61 citations97
US7292231B2Nov 6, 2007
Writing device for color electronic paper
SEIKO EPSON CORP95 citations97
US6829394B2Dec 7, 2004
System and method of pointed position detection, presentation system, and program
SEIKO EPSON CORP38 citations92
US6798926B2Sep 28, 2004
System and method of pointed position detection, presentation system, and program
SEIKO EPSON CORP24 citations92
US7701435B2Apr 20, 2010
Electrophoretic display, method for driving electrophoretic display, and storage display
SEIKO EPSON CORP10 citations83
US10464314B2Nov 5, 2019
Liquid discharging apparatus and circuit substrate
SEIKO EPSON CORP4 citations72
US10160202B2Dec 25, 2018
Liquid discharging apparatus
SEIKO EPSON CORP2 citations72
US10737488B2Aug 11, 2020
Droplet discharging device
SEIKO EPSON CORP1 citations62
US7627907B2Dec 1, 2009
Display device preventing unauthorized copying
SEIKO EPSON CORP5 citations61
US9457592B2Oct 4, 2016
Liquid ejecting apparatus and light source module
SEIKO EPSON CORP0 citations52
US9242480B2Jan 26, 2016
Liquid ejecting apparatus and light source module
SEIKO EPSON CORP0 citations52
US12187056B2Jan 7, 2025
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations50
US9475316B2Oct 25, 2016
Printing apparatus with noise supression
SEIKO EPSON CORP0 citations42
US10744761B2Aug 18, 2020
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations41
US7688296B2Mar 30, 2010
Cholesteric liquid crystal driving device and driving method
SEIKO EPSON CORP0 citations40