MT

Masaichiro Tatekawa

Sumitomo Electric Industries: 35 patents #346 of 21,551Top 2%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
AA Array Printers Ab: 1 patents #24 of 49Top 50%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #90,917 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
7512301 Image reader and image processor having a light source forming trapezoid-shaped illuminance distribution in sub-scanning direction Tetsuroh Nakamura 2009-03-31
7378458 Method for preparing ink, ink cartridge and ink-jet recording apparatus Hidekazu Arase, Mamoru Soga, Shigeru Kusakata, Tsutomu Matsuda, Masashi Itoh 2008-05-27
7368007 Ink-jet recording ink, image forming method, ink-jet recording apparatus and imaged article Shigeru Kusakata, Tsutomu Matsuda, Masashi Itoh, Mamoru Soga, Hidekazu Arase 2008-05-06
7264340 Piezoelectric actuator and ink-jet head, and ink-jet recorder Takanori Nakano, Shogo Matsubara, Shintaro Hara, Kazuo Nishimura, Masakazu Tanahashi +1 more 2007-09-04
7249324 Electronic paper file Tetsuroh Nakamura, Hiroyuki Matsuo 2007-07-24
7195411 Recording apparatus with mechanism for ejecting recording medium Hiroyuki Matsuo, Koji Ikeda, Yosuke Toyofuku, Hideaki Horio, Kazuyuki Nakashima 2007-03-27
7196121 Inkjet recording ink, solvent for use in said ink and cartridge and recording device having said ink Mamoru Soga, Hidekazu Arase, Hiroyuki Matsuo 2007-03-27
7196456 Piezoelectric actuator and method of manufacture therefor, and ink jet head and ink jet type recording device Takanori Nakano, Masakazu Tanahashi, Kazuo Nishimura, Shogo Matsubara 2007-03-27
7160934 Ink for ink-jet recording, and ink cartridge and recording apparatus including the same Mamoru Soga, Hiroyuki Matsuo 2007-01-09
7152968 Image formation method Mamoru Soga, Hidekazu Arase, Keishi Taniguchi, Tsutomu Matsuda, Masashi Ito +1 more 2006-12-26
7154452 Electronic paper, electronic paperfile and electronic pen Tetsuroh Nakamura, Hiroyuki Matsuo 2006-12-26
7140796 Recording apparatus Hiroyuki Matsuo, Koji Ikeda, Yosuke Toyofuku, Hideaki Horio, Kazuyuki Nakashima 2006-11-28
6988794 Inkjet recording ink, method for producing said ink, and ink cartridge and recording device having said ink Hidekazu Arase, Mamoru Soga, Hiroyuki Matsuo 2006-01-24
6986564 Ink jet head, method for inspecting actuator, method for manufacturing ink jet head, and ink jet recording apparatus Hiroyuki Matsuo, Takanori Nakano, Koji Ikeda, Atsushi Sogami 2006-01-17
6969138 Ink jet recording apparatus Kouji Ikeda, Koichi Baba 2005-11-29
6955429 Ink-jet recording head, ink cartridge, and recording apparatus Mamoru Soga, Takatoshi Minoda, Hidekazu Arase 2005-10-18
6947697 Ultrasonic vibration tool, fixing device, and heating device Keisuke Fujimoto, Masahiko Hashimoto 2005-09-20
6942329 Ink for inkjet recording, and cartridge and recording apparatus including the ink Mamoru Soga, Hidekazu Arase, Hiroyuki Matsuo 2005-09-13
6933487 Image reader and image processor having a light source forming trapezoid-shaped illuminance distribution in sub-scanning direction Tetsuroh Nakamura 2005-08-23
6929686 Ink composition for inkjet recording Mamoru Soga, Hidekazu Arase, Keishi Taniguchi, Tsutomu Matsuda, Masashi Ito +1 more 2005-08-16
6921157 Piezoelectric actuator and method of manufacture therefor, and ink jet head and ink jet type recording device Takanori Nakano, Masakazu Tanahashi, Kazuo Nishimura, Shogo Matsubara 2005-07-26
6921151 Ink jet head, actuator testing method, method of manufacturing ink jet head, and ink jet recording apparatus Hiroyuki Matsuo, Takanori Nakano, Koji Ikeda, Atsushi Sogami 2005-07-26
6906705 Electronic file with flexible display medium Hiroyuki Matsuo, Tetsuroh Nakamura 2005-06-14
6891328 Light source for image reading apparatus and image reading apparatus Tetsuroh Nakamura 2005-05-10
6848850 Recording apparatus Hiroyuki Matsuo, Koji Ikeda, Yosuke Toyofuku, Hideaki Horio, Kazuyuki Nakashima 2005-02-01