HK

Haruhiko Koto

SE Seiko Epson: 12 patents #1,551 of 7,774Top 20%
EP Epson: 11 patents #1 of 66Top 2%
SS Suwa Seikosha: 11 patents #1 of 220Top 1%
Canon: 6 patents #8,497 of 19,416Top 45%
SK Shinshu Seiki Kabushiki Kaisha: 3 patents #4 of 38Top 15%
Overall (All Time): #94,916 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
7909454 Inkjet printing press Masaru Nakano, Hiroyuki Santo, Osamu Satake, Makoto Miyaji 2011-03-22
7455401 Line-dot recorder Hirofumi Tsuji, Hiroyuki Santo, Masaru Nakano, Osamu Satake, Makoto Miyaji 2008-11-25
6945628 Ink jet printing apparatus Noribumi Koitabashi, Tsutomu Kawai, Tadashi Matsumoto, Hitoshi Tsuboi, Yasunori Fujimoto 2005-09-20
6942322 Drop-on-demand ink-jet printing head Minoru Usui, Haruo Nakamura, Yozo Shimada, Tomoaki Abe 2005-09-13
6742875 Drop-on-demand ink-jet printing head Minoru Usui, Haruo Nakamura, Yozo Shimada, Tomoaki Abe 2004-06-01
6629757 Recording head, substrate therefor, and recording apparatus Hideyuki Sugioka 2003-10-07
6554416 Image forming apparatus 2003-04-29
6550882 Ink jet printing apparatus Noribumi Koitabashi, Tsutomu Kawai, Tadashi Matsumoto, Hitoshi Tsuboi, Yasunori Fujimoto 2003-04-22
6511172 Printing apparatus Koichi Tanno 2003-01-28
6309064 Printing apparatus Koichi Tanno 2001-10-30
6186619 Drop-on-demand ink-jet printing head Minoru Usui, Haruo Nakamura, Yozo Shimada, Tomoaki Abe 2001-02-13
5910809 Drop-on-demand ink-jet printing head Minoru Usui, Haruo Nakamura, Yozo Shimada, Tomoaki Abe 1999-06-08
5894317 Drop-on-demand ink-jet printing head Minoru Usui, Haruo Nakamura, Yozo Shimada, Tomoaki Abe 1999-04-13
5600357 Drop-on-demand ink-jet printing head Minoru Usui, Haruo Nakamura, Yozo Shimada, Tomoaki Abe 1997-02-04
5446485 Drop-on-demand ink-jet printing head Minoru Usui, Haruo Nakamura, Yozo Shimada, Tomoaki Abe 1995-08-29
5444471 Drop-on-demand ink-jet printing head Minoru Usui, Haruo Nakamura, Yozo Shimada, Tomoaki Abe 1995-08-22
5113204 Ink jet head Yoshinori Miyazawa, Hidenori Omae, Takayuki Ishii, Fujio Akahane 1992-05-12
5105209 Hot melt ink jet printing apparatus Yoshinori Miyazawa, Osamu Nakamura, Norihiko Kurashima 1992-04-14
4998120 Hot melt ink jet printing apparatus Yoshinori Miyazawa, Osamu Nakamura, Norihiko Kurashima 1991-03-05
4806955 Ink jet printer of the ink-on-demand type Junichi Okada, Hiroshi Ishii, Kenji Sawada 1989-02-21
4768045 Ink droplet detecting apparatus 1988-08-30
4620202 Ink jet printer of the ink-on-demand type Junichi Okada, Hiroshi Ishii, Kenji Sawada 1986-10-28
4617581 Ink jet printer of the ink-on-demand type Junichi Okada, Hiroshi Ishii, Kenji Sawada 1986-10-14
4589000 Ink jet printer of the ink-on-demand type Junichi Okada, Hiroshi Ishii, Kenji Sawada 1986-05-13
4546362 Low voltage ink-jet printhead 1985-10-08