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 25 most recent of 28 patents

Patent #TitleCo-InventorsDate
RE44825 Print head substrate, print head using the same, and printing apparatus Yoshiyuki Imanaka, Tatsuo Furukawa, Kimiyuki Hayasaki, Masaaki Izumida 2014-04-08
8436841 Display apparatus Masami Iseki, Fujio Kawano, Tatsuhito Goden, Takanori Yamashita, Kouji Ikeda +2 more 2013-05-07
8395570 Active matrix type display apparatus Tatsuhito Goden, Fujio Kawano, Kouji Ikeda 2013-03-12
8183767 Display apparatus and imaging system using the same Osamu Yuki 2012-05-22
8076845 Display apparatus 2011-12-13
7364272 Printing head, head cartridge having printing head, printing apparatus using printing head, and printing head substrate Tatsuo Furukawa, Takashi Yoshida, Kazuki Ohta 2008-04-29
7101099 Printing head, head cartridge having printing head, printing apparatus using printing head, and printing head substrate Tatsuo Furukawa, Takashi Yoshida, Kazuki Ohta 2006-09-05
6963615 Pixel modulation apparatus and method thereof Somei Kawasaki, Masami Iseki, Fujio Kawano 2005-11-08
6860576 Drive circuit, printhead and printing apparatus Somei Kawasaki 2005-03-01
6755580 Ink-jet printing head Tatsuo Furukawa, Takashi Yoshida, Kazuki Ohta 2004-06-29
6520611 Print head and printer apparatus using the same Hiroyuki Ishinaga, Junji Shimoda, Fumio Murooka, Tatsuo Furukawa, Masaaki Izumida +1 more 2003-02-18
6471339 Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving recording head Yuji Kamiyama, Fumio Murooka, Tatsuo Furukawa, Shuichi Katao, Yoshiyuki Imanaka +1 more 2002-10-29
6471324 Printhead with malfunction prevention function and printing apparatus using it 2002-10-29
6464320 Recording head and recording apparatus using the same Masami Kasamoto, Fumio Murooka, Yoshiyuki Imanaka, Masaaki Izumida 2002-10-15
6439690 Element substrate having connecting wiring between heat generating resistor elements and ink jet recording apparatus Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Fumio Murooka +6 more 2002-08-27
6409300 Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head Yoshiyuki Imanaka, Masaki Inaba, Masami Ikeda, Yutaka Koizumi, Tsuyoshi Orikasa +13 more 2002-06-25
6257695 Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving record head Yuji Kamiyama, Fumio Murooka, Tatsuo Furukawa, Shuichi Katao, Yoshiyuki Imanaka +1 more 2001-07-10
6243111 Print head substrate, print head using the same, and printing apparatus Yoshiyuki Imanaka, Tatsuo Furukawa, Kimiyuki Hayasaki, Masaaki Izumida 2001-06-05
6243109 Print head with driving, transmission and control devices on single substrate Hiroyuki Ishinaga, Junji Shimoda, Fumio Murooka, Tatsuo Furukawa, Masaaki Izumida +1 more 2001-06-05
6224195 Recording head and recording apparatus using the same Masami Kasamoto, Fumio Murooka, Yoshiyuki Imanaka, Masaaki Izumida 2001-05-01
6116714 Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head Yoshiyuki Imanaka, Masaki Inaba, Masami Ikeda, Yutaka Koizumi, Tsuyoshi Orikasa +13 more 2000-09-12
6116713 Recording apparatus having temperature detecting element and a temperature detection correction method 2000-09-12
6054689 Printing head and printing apparatus using same Yoshiyuki Imanaka, Tatsuo Furukawa 2000-04-25
5943070 Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving recording head Yuji Kamiyama, Fumio Murooka, Tatsuo Furukawa, Shuichi Katao, Yoshiyuki Imanaka +1 more 1999-08-24
5880762 Ink jet head with preliminary heater element Hiroyuki Ishinaga, Kazuaki Masuda, Junji Shimoda, Masami Kasamoto, Fumio Murooka +6 more 1999-03-09