HN

Hidefumi Nagashima

Ricoh Company: 29 patents #656 of 9,818Top 7%
RC Rioch Company: 1 patents #1 of 30Top 4%
Overall (All Time): #124,183 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
11472977 Ink, inkjet recording method, inkjet recording apparatus, and recorded matter Masahiro Kido, Juichi Furukawa, Yuta Nakamura 2022-10-18
11168228 Ink, image forming method, image forming device, and recorded matter Mio Kumai, Yuri Haga 2021-11-09
10829655 Ink, set of ink and substrate, ink-jet printing method, ink-jet printer, and print Masahiro Kido, Juichi Furukawa, Yukihiro Imanaga 2020-11-10
10519331 Ink, inkjet recording method, inkjet recording apparatus, and recorded matter Masahiro Kido, Juichi Furukawa, Yuta Nakamura 2019-12-31
10399363 Print method, ink set, and inkjet print device Juichi Furukawa, Masaaki Tsuda, Yukihiro Imanaga, Masahiro Kido, Hikaru Kobayashi +1 more 2019-09-03
10119042 Ink, inkjet printing apparatus, inkjet printing method, and printed matter Masahiro Kido, Juichi Furukawa, 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 Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa, 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 Naohiro Toda, Juichi Furukawa, 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, Juichi Furukawa, Hikaru Kobayashi 2018-01-02
9855763 Ink for inkjet and inkjet recording method Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa, Masahiro Kido, Hikaru Kobayashi 2018-01-02
9663668 Inkjet ink, inkjet recording method and ink recorded matter Tomohiro Nakagawa, Naohiro Toda, Ichiroh Fujii, Juichi Furukawa 2017-05-30
9605173 Ink, inkjet recording method, ink cartridge, recorded matter, and inkjet recording device Ichiroh Fujii, Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa, Hikaru Kobayashi 2017-03-28
9587124 Aqueous ink for inkjet, inkjet recording method, inkjet recorded matter, and inkjet recording device Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa, Ichiroh Fujii 2017-03-07
9574098 Ink for inkjet recording and recording method therewith Ichiroh Fujii, Naohiro Toda, Tomohiro Nakagawa 2017-02-21
9505234 Inkjet recording method and inkjet recording device Akiko Bannai, Mariko Kojima, Michihiko Namba 2016-11-29
9493665 Ink set for inkjet and inkjet recording method Naohiro Toda, Juichi Furukawa, Tomohiro Nakagawa, Hikaru Kobayashi 2016-11-15
9493001 Inkjet recording method, inkjet recorded matter, and inkjet recording device Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa, Ichiroh Fujii 2016-11-15
9446606 Aqueous ink for inkjet, inkjet recorder and inkjet recording method Ichiroh Fujii, Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa 2016-09-20
9358810 Inkjet recording method and inkjet recorder Ichiroh Fujii, Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa 2016-06-07
9340692 Ink, inkjet recording method, and recorded matter Tomohiro Nakagawa, Naohiro Toda, Juichi Furukawa, Hikaru Kobayashi 2016-05-17
9321923 Aqueous ink for inkjet, ink cartridge, and inkjet recording device Tomohiro Nakagawa, Naohiro Toda, Juichi Furukawa, Ichiroh Fujii 2016-04-26
9284464 Inkjet ink, ink cartridge, and inkjet recording device Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa, Ichiroh Fujii 2016-03-15
9243158 Aqueous ink for inkjet, inkjet recording device, inkjet printed matter, and inkjet recording method Naohiro Toda, Tomohiro Nakagawa, Ichiroh Fujii 2016-01-26
9163160 Aqueous ink for inkjet, ink cartridge, and inkjet recording device Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa, Ichiroh Fujii, Kiyofumi Nagai 2015-10-20
9108439 Method of forming image and ink jet recording apparatus Naohiro Toda, Tomohiro Nakagawa 2015-08-18