MK

Masayuki Koyano

Ricoh Company: 34 patents #505 of 9,818Top 6%
Overall (All Time): #103,066 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
10717297 Inkjet recording method and inkjet recording apparatus Takashi Okada, Tomohiro Inoue, Hisashi Habashi 2020-07-21
10508211 Ink, ink container, recording device, recording set and recording method Azumi Miyaake, Kaori Miyahara, Mio Kumai, Ayano Momose, Satoshi Kojima +3 more 2019-12-17
10030159 Active-energy-ray-curable composition, active-energy-ray-curable ink, two-dimensional or three-dimensional image forming method, two-dimensional or three-dimensional image forming apparatus, and cured material Mio Kumai, Mihoko Matsumoto, Kaori Miyahara, Azumi Miyaake, Yuuki Mizutani +6 more 2018-07-24
9988539 Active-energy-ray-curable composition, active-energy-ray-curable ink, composition stored container, two-dimensional or three-dimensional image forming apparatus, two-dimensional or three-dimensional image forming method, cured material, and structure Shun Saito, Mihoko Matsumoto, Azumi Miyaake, Yuuki Mizutani, Mio Kumai 2018-06-05
9873804 Active-energy-ray-curable composition, active-energy-ray-curable ink, composition stored container, image forming method, image forming apparatus, cured material, and image formed matter Yuuki Mizutani, Mihoko Matsumoto, Azumi Miyaake, Shun Saito, Mio Kumai 2018-01-23
8815140 Method of producing film by inkjet process, and film Tamotsu Aruga, Shinya Seno, Eiji Noda, Noriyasu Takeuchi, Tsutomu Maekawa +4 more 2014-08-26
8740374 Ink jet recording method, ink jet recording apparatus, and ink jet recorded matter Shin-ya Seno, Tamotsu Aruga, Eiji Noda, Norlyasu Takeuchi, Okitoshi Kimura +4 more 2014-06-03
8727522 Ultraviolet crosslinking ink and inkjet recording method Tsutomu Maekawa, Okitoshi Kimura, Eiji Noda, Tamotsu Aruga, Shinya Seno +4 more 2014-05-20
8708475 Ultraviolet crosslinking inkjet ink, ink cartridge containing same, and image forming method and apparatus using same Tomoko Hasegawa, Tamotsu Aruga, Okitoshi Kimura, Eiji Noda, Shinya Seno +4 more 2014-04-29
8632174 Ink jet recording method Soh Noguchi, Okitoshi Kimura, Tsutomu Maekawa, Takao Hiraoka, Tomoko Hasegawa +4 more 2014-01-21
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, Akihiko Matsuyama, Naoya Morohoshi, Tohru Ohshima, Akihiko Gotoh +1 more 2013-11-12
8435339 Ink set, ink cartridge, inkjet recording method, and inkjet recording apparatus Hiroshi Goto, Tamotsu Aruga, Kiyofumi Nagai, Toshiroh Tokuno 2013-05-07
8328343 Recording ink as well as ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method Tamotsu Aruga, Akihiko Matsuyama, Hisashi Habashi, Hiroshi Goto, Tohru Ohshima +2 more 2012-12-11
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, Akihiko Matsuyama, Naoya Morohoshi, Tohru Ohshima, Akihiko Gotoh +1 more 2012-08-28
8118419 Ink jet recording method, recording device, ink/recording medium set, recording matter Naoya Morohoshi, Akihiko Gotoh, Kiyofumi Nagai 2012-02-21
7033013 Pretreatment liquid for recording material and image recording method using the pretreatment liquid Hitoshi Arita, Tetsuya Kaneko, Nobutaka Osada, Kakuji Murakami, Akihiko Gotoh +3 more 2006-04-25
6799845 Recording liquid, recording cartridge, recording method, recording apparatus and recording medium Tetsuya Kaneko, Nobutaka Osada, Hitoshi Arita 2004-10-05
6786588 Pretreatment liquid for recording material and image recording method using the pretreatment liquid Hitoshi Arita, Tetsuya Kaneko, Nobutaka Osada, Kakuji Murakami, Akihiko Gotoh +3 more 2004-09-07
6730155 Aqueous ink composition Akihiko Gotoh, Tomoko Maeda, Akiko Bannai, Kiyofumi Nagai, Hitoshi Arita +4 more 2004-05-04
6695443 Ink for ink jet recording, ink set for ink jet recording, method for ink jet recording, ink cartridge for ink jet recording, ink jet recording apparatus and recorded article Hitoshi Arita, Kiyofumi Nagai, Akihiko Gotoh, Akiko Bannai, Tetsuya Kaneko +4 more 2004-02-24
6688737 Recording liquid, inkjet recording method and recording equipment using the same Kiyofumi Nagai, Hitoshi Arita, Nobutaka Osada 2004-02-10
6613136 Recording ink composition and ink-jet printing method using the same Hitoshi Arita, Kiyofumi Nagai, Akiko Bannai 2003-09-02
6261349 Image recording method image recording apparatus and image recording acceleration liquid Kiyofumi Nagai, Akio Kojima, Masato Igarashi, Akiko Konishi, Hiroyuki Mochizuki +2 more 2001-07-17
6231652 Aqueous ink compositions and ink-jet printing method using the same Ikuko Yamada, Akio Kojima, Kiyofumi Nagai, Masato Igarashi, Akiko Konishi +2 more 2001-05-15
6120589 Set of color ink compositions for ink-jet printing and method of forming color images using the color ink set Akiko Bannai, Akio Kojima, Kiyofumi Nagai, Masato Igarashi, Hiroyuki Mochizuki +2 more 2000-09-19