KK

Kohei Kitahara

SE Seiko Epson: 16 patents #1,167 of 7,774Top 20%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
NC Nippon Tungsten Co.: 1 patents #45 of 139Top 35%
Overall (All Time): #259,877 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
6929354 Multi-layer ink jet recording head and manufacturing method therefor 2005-08-16
6902262 Laminated ink jet recording head Yuji Tanaka, Koji Watanabe, Tomoaki Abe, Takayuki Ishii, Naomi Shirakawa +4 more 2005-06-07
6893117 Laminated ink jet recording head Yuji Tanaka, Koji Watanabe, Tomoaki Abe, Takayuki Ishii, Naomi Shirakawa +4 more 2005-05-17
6601949 Actuator unit for ink jet recording head 2003-08-05
6502929 Laminated ink jet recording head having a plurality of actuator units Yuji Tanaka, Koji Watanabe, Tomoaki Abe, Takayuki Ishii, Naomi Shirakawa +4 more 2003-01-07
6334673 Ink jet print head with plural electrodes Toshiki Usui, Tomoaki Abe, Keiichi Mukaiyama 2002-01-01
6290340 Multi-layer ink jet print head and manufacturing method therefor Yukihisa Takeuchi, Hideo Masumori, Nobuo Takahashi, Hideaki Sonehara 2001-09-18
6279443 Die cut roll Kenji Nakahara, Koichi Ibusuki, Shouji Eguchi, Kei Tokumoto, Shigeya Sakaguchi 2001-08-28
6270203 Multilayer ink jet recording head having a pressure generating unit and a flow path unit Hideaki Sonehara 2001-08-07
6206501 Ink jet recording head Takayuki Ishii 2001-03-27
6073321 Manufacturing method for an ink jet recording head Tomoaki Abe 2000-06-13
5956829 Method of manufacturing an ink jet recording head Toshiki Usui, Tomoaki Abe, Keiichi Mukaiyama 1999-09-28
5933170 Ink jet print head Yukihisa Takeuchi, Hideo Masumori, Nobuo Takahashi, Hideaki Sonehara 1999-08-03
5929881 Ink jet recording head having improved arrangement of electrodes Tomoaki Abe 1999-07-27
5880756 Ink jet recording head Takayuki Ishii 1999-03-09
5856837 Ink jet recording head with vibrating element having greater width than drive electrode Toshiki Usui, Tomoaki Abe, Keiichi Mukaiyama 1999-01-05
5157421 Ink cartridge 1992-10-20
4691911 Paper feeding apparatus for printers Hitoshi Nakagawa 1987-09-08