JF

Juichi Furukawa

Ricoh Company: 35 patents #475 of 9,818Top 5%
RC Rioch Company: 1 patents #1 of 30Top 4%
Overall (All Time): #87,788 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
12286542 Ink discharging device, method of discharging ink, method of manufacturing ink-discharged matter, white ink, and set Daisuke Ozaki, Toshiyuki Kobashi, Hiroshi Gotou, Ayaka Tanaka 2025-04-29
12221549 Set of inkjet inks, inkjet image forming method, and inkjet image forming apparatus Hiroshi Gotou, Toshiyuki Kobashi, Daisuke Ozaki 2025-02-11
11845875 Glittery ink and image forming device 2023-12-19
11472977 Ink, inkjet recording method, inkjet recording apparatus, and recorded matter Masahiro Kido, Hidefumi Nagashima, Yuta Nakamura 2022-10-18
11407226 Image recording method and ink set Tatsuya Tomura 2022-08-09
11390765 Recording liquid and printed matter Tatsuya Tomura 2022-07-19
11098216 Image forming method, image forming apparatus, and method for manufacturing printed matter Yukihiro Imanaga, Tomohiro Nakagawa, Satoyuki Sekiguchi, Ayaka Tanaka 2021-08-24
11041082 Image forming method, image forming device, and recorded matter Tatsuya Tomura 2021-06-22
10829655 Ink, set of ink and substrate, ink-jet printing method, ink-jet printer, and print Masahiro Kido, Hidefumi Nagashima, Yukihiro Imanaga 2020-11-10
10519331 Ink, inkjet recording method, inkjet recording apparatus, and recorded matter Masahiro Kido, Hidefumi Nagashima, Yuta Nakamura 2019-12-31
10399363 Print method, ink set, and inkjet print device Masaaki Tsuda, Hidefumi Nagashima, Yukihiro Imanaga, Masahiro Kido, Hikaru Kobayashi +1 more 2019-09-03
10259965 Surface treatment liquid compostion, ink set, recording method, and recording device Tomohiro Nakagawa, Noriaki Okada, Atsufumi Hanazawa, Satoyuki Sekiguchi, Yukihiro Imanaga +1 more 2019-04-16
10119042 Ink, inkjet printing apparatus, inkjet printing method, and printed matter Masahiro Kido, Hidefumi Nagashima, Yuta Nakamura, Masaaki Tsuda, Hikaru Kobayashi +4 more 2018-11-06
9982151 Aqueous ink for inkjet, inkjet recording method, inkjet recorded matter, and inkjet recording device Hidefumi Nagashima, Naohiro Toda, Tomohiro Nakagawa, Ichiroh Fujii 2018-05-29
9868288 Cleaning liquid for inkjet recording apparatus, method for cleaning inkjet recording apparatus, recording method, and cleaning and filling liquid Hidefumi Nagashima, Naohiro Toda, Masahiro Kido, Takashi Tamai, Ichiroh Fujii +1 more 2018-01-16
9856386 Inkjet ink, inkjet recording method using the inkjet ink, and print formed by the inkjet ink Masahiro Kido, Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima, Hikaru Kobayashi 2018-01-02
9855763 Ink for inkjet and inkjet recording method Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima, Masahiro Kido, Hikaru Kobayashi 2018-01-02
9663668 Inkjet ink, inkjet recording method and ink recorded matter Tomohiro Nakagawa, Naohiro Toda, Hidefumi Nagashima, Ichiroh Fujii 2017-05-30
9605173 Ink, inkjet recording method, ink cartridge, recorded matter, and inkjet recording device Ichiroh Fujii, Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima, Hikaru Kobayashi 2017-03-28
9587124 Aqueous ink for inkjet, inkjet recording method, inkjet recorded matter, and inkjet recording device Hidefumi Nagashima, Naohiro Toda, Tomohiro Nakagawa, Ichiroh Fujii 2017-03-07
9493001 Inkjet recording method, inkjet recorded matter, and inkjet recording device Naohiro Toda, Hidefumi Nagashima, Tomohiro Nakagawa, Ichiroh Fujii 2016-11-15
9493665 Ink set for inkjet and inkjet recording method Naohiro Toda, Hidefumi Nagashima, Tomohiro Nakagawa, Hikaru Kobayashi 2016-11-15
9463623 Liquid ejection head and image forming apparatus incorporating same Daisuke Takagi, Hisashi Habashi, Tomoyuki Aratani, Tatsuya Sameshima, Shinichi Kakuda +1 more 2016-10-11
9446606 Aqueous ink for inkjet, inkjet recorder and inkjet recording method Ichiroh Fujii, Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima 2016-09-20
9358810 Inkjet recording method and inkjet recorder Ichiroh Fujii, Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima 2016-06-07