AM

Akihiko Matsuyama

Ricoh Company: 61 patents #132 of 9,818Top 2%
GC Goo Chemical Co.: 1 patents #20 of 39Top 55%
Overall (All Time): #38,007 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
9267046 Inkjet ink, ink cartridge, inkjet recording device, and inkjet printed matter Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Keita Katoh 2016-02-23
9234110 Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder, ink-recorded matter and method of producing the ink-recorded matter using the ink Keita Katoh, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Kazukiyo Nagai +1 more 2016-01-12
9217091 Inkjet recording ink and ink cartridge using the ink, inkjet recording apparatus, inkjet recording method and ink recorded matter Keita Katoh, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Yuusuke Koizuka +4 more 2015-12-22
9217089 Ink for inkjet recording Kazukiyo Nagai, Yuusuke Koizuka, Mitsuru Naruse, Masayasu Nonogaki, Keita Katoh +2 more 2015-12-22
9150745 Inkjet ink, ink cartridge, inkjet recording device, and inkjet printed matter Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Keita Katoh 2015-10-06
9139749 Ink composition, recording method, printed matter, ink cartridge, and inkjet recording device Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Keita Katoh, Kazukiyo Nagai +1 more 2015-09-22
9102841 Yellow ink composition for inkjet recording, and inkjet recording method and inkjet recorded material 2015-08-11
9056993 Ink composition, inkjet recording method, and printed matter 2015-06-16
9034091 Inkjet recording ink set, inkjet recording method, and recorded matter Kiyofumi Nagai 2015-05-19
9028056 Ink for inkjet recording, ink container, inkjet recorder and recorded matter Mitsuru Naruse, Masayasu Nonogaki, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka 2015-05-12
8974895 Inkjet ink, ink storage container, inkjet recording device, and recorded matter Mitsuru Naruse, Masayasu Nonogaki, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka 2015-03-10
8960885 Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder, ink-recorded matter and method of producing the ink-recorded matter using the ink Keita Katoh, Mitsuru Naruse, Masayasu Nonogaki, Minoru Hakiri, Kazukiyo Nagai +1 more 2015-02-24
8945294 Ink composition for inkjet recording, inkjet recording method, and inkjet recorded material Hiroshi Gotou 2015-02-03
8778071 Inkjet ink set, image forming method using same, and print formed by the image forming method Hiroshi Gotou 2014-07-15
8752948 Inkjet recording ink containing fluorine based surfactant, inkjet recording ink set, and inkjet recording apparatus containing the inkjet recording ink Takashi Tamai, Michihiko Namba, Akihiko Gotoh, Kiyofumi Nagai 2014-06-17
8746869 Ink for inkjet recording, inkjet recording method using the same, ink cartridge housing the same, and recorded matter Ichiroh Fujii, Yuuki Yokohama, Kiyofumi Nagai, Hiroshi Gotou 2014-06-10
8727523 Inkjet recording ink, ink cartridge and inkjet recording method Takashi Tamai, Michihiko Namba 2014-05-20
8680175 Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same Shigeo Hatada, Keishi Taniguchi, Shigeru Kusakata, Ichiroh Fujii, Yuuki Yokohama 2014-03-25
8651650 Inkjet recording ink, inkjet recording inkset, ink cartridge, inkjet recording method, and recorded matter Ichiroh Fujii, Yuuki Yokohama, Kiyofumi Nagai, Akihiko Gotoh, Mariko Kojima +2 more 2014-02-18
8580159 Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus Michihiko Namba, Naoya Morohoshi, Tohru Ohshima, Masayuki Koyano, Akihiko Gotoh +1 more 2013-11-12
8523992 Magenta recording ink composition, inkjet recording method, and ink recorded matter Yuji Natori 2013-09-03
8383700 Pigment dispersion, recording ink, ink cartridge, ink-jet recording method and ink-jet recording apparatus Hiroshi Goto, Kiyofumi Nagai 2013-02-26
8328343 Recording ink as well as ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method Tamotsu Aruga, Masayuki Koyano, Hisashi Habashi, Hiroshi Goto, Tohru Ohshima +2 more 2012-12-11
8317913 Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same Shigeo Hatada, Keishi Taniguchi, Shigeru Kusakata, Ichiroh Fujii, Yuuki Yokohama 2012-11-27
8252207 Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus Michihiko Namba, Naoya Morohoshi, Tohru Ohshima, Masayuki Koyano, Akihiko Gotoh +1 more 2012-08-28