HM

Hiroyuki Maru

Canon: 28 patents #2,044 of 19,416Top 15%
HD Hitachi Displays: 1 patents #519 of 752Top 70%
Overall (All Time): #139,439 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5877784 Printhead, printing apparatus and printing method using printhead Junji Shimoda, Fumio Murooka, Tatsuo Furukawa, Hiroyuki Ishinaga, Masaaki Izumida +1 more 1999-03-02
5731828 Ink jet head, ink jet head cartridge and ink jet apparatus Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Fumio Murooka +6 more 1998-03-24
5602576 Ink-jet type recording head and monolithic integrated circuit suitable therfor Fumio Murooka, Junji Shimoda, Tatsuo Furukawa, Hiroyuki Ishinaga, Masaaki Izumida +1 more 1997-02-11