KT

Keiji Tomizawa

Canon: 56 patents #559 of 19,416Top 3%
Overall (All Time): #44,331 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
8342648 Inkjet head Chiaki Muraoka, Yasushi Iijima, Tomotsugu Kuroda, Naoko Tsujiuchi, Mikiya Umeyama +2 more 2013-01-01
8287091 Inkjet printing apparatus and inkjet printing method Masayuki Kyoshima, Masaki Oikawa 2012-10-16
8231203 Ink jet print head, ink jet printing apparatus and ink jet printing method Yuichiro Akama, Toru Yamane, Masaki Oikawa, Genji Inada, Mikiya Umeyama +2 more 2012-07-31
8210655 Liquid ejection head and manufacturing method of liquid ejection head Chiaki Muraoka, Yukuo Yamaguchi, Mikiya Umeyama, Toru Yamane, Masaki Oikawa +2 more 2012-07-03
8177329 Ink jet print head Mitsuhiro Matsumoto, Mineo Kaneko, Ken Tsuchii, Toru Yamane, Masaki Oikawa +3 more 2012-05-15
8162446 Print head Mineo Kaneko, Ken Tsuchii, Toru Yamane, Masaki Oikawa, Mitsuhiro Matsumoto +3 more 2012-04-24
8132895 Printhead substrate, printhead, head cartridge, and printing apparatus Masaki Oikawa 2012-03-13
8100505 Liquid ejecting head and manufacturing dimension control method Tomotsugu Kuroda, Toru Yamane, Mikiya Umeyama, Masaki Oikawa, Yuichiro Akama +1 more 2012-01-24
8087759 Print head with offset ejection ports Masaki Oikawa, Mikiya Umeyama, Toru Yamane, Yuichiro Akama, Chiaki Muraoka +3 more 2012-01-03
8083322 Ink-jet recording head Shuichi Murakami 2011-12-27
8033651 Liquid ejection head and printing apparatus Ken Tsuchii, Shuichi Ide 2011-10-11
7984976 Liquid recording head Ken Tsuchii 2011-07-26
7980663 Liquid ejection head Mitsuhiro Matsumoto, Shuichi Murakami 2011-07-19
7963635 Inkjet print head Masaki Oikawa, Mikiya Umeyama, Toru Yamane, Chiaki Muraoka, Yuichiro Akama +1 more 2011-06-21
7963633 Ink jet recording head and ink jet recording apparatus Masaki Oikawa, Mineo Kaneko, Ken Tsuchii, Toru Yamane, Mitsuhiro Matsumoto +3 more 2011-06-21
7938511 Liquid ejection head, inkjet printing apparatus and liquid ejecting method Mikiya Umeyama, Toru Yamane, Chiaki Muraoka, Yuichiro Akama, Masaki Oikawa +1 more 2011-05-10
7832843 Liquid jet head Masaki Oikawa, Mineo Kaneko, Ken Tsuchii, Toru Yamane, Mitsuhiro Matsumoto +3 more 2010-11-16
7784904 Liquid jet head Shuichi Ide, Mineo Kaneko, Ken Tsuchii, Toru Yamane, Masaki Oikawa +2 more 2010-08-31
7771026 Ink jet recording head and liquid jetting method Shuichi Ide, Mineo Kaneko, Ken Tsuchii, Toru Yamane, Masaki Oikawa +3 more 2010-08-10
7735962 Ink jet print head Mitsuhiro Matsumoto, Mineo Kaneko, Ken Tsuchii, Toru Yamane, Masaki Oikawa +3 more 2010-06-15
7695088 Ink jet printing apparatus and ink jet printing method Toru Yamane, Mineo Kaneko, Ken Tsuchii, Masaki Oikawa, Mitsuhiro Matsumoto +2 more 2010-04-13
7654648 Liquid recording head Ken Tsuchii 2010-02-02
7628472 Ink-jet recording head Shuichi Murakami 2009-12-08
RE40994 Ink jet recording head Shuichi Murakami 2009-11-24
7591537 Ink jet recording head Ken Tsuchii, Mineo Kaneko, Toru Yamane, Masaki Oikawa, Mitsuhiro Matsumoto +2 more 2009-09-22