IF

Ichiroh Fujii

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
RC Rioch Company: 1 patents #1 of 30Top 4%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #180,667 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11981141 Wiping method and image forming apparatus Takumi Atake, Yohta Sakon, Akira Izutani, Hiroko Ohkura 2024-05-14
10557018 Three-dimensional object forming liquid, three-dimensional object forming liquid set, three-dimensional object producing method, and three-dimensional object Yoshihiro Norikane, Hiroshi Iwata 2020-02-11
10507645 Inkjet printing apparatus and inkjet printing method Hisashi Habashi 2019-12-17
10066082 Three-dimensional object producing method Yoshihiro Norikane, Hiroshi Iwata 2018-09-04
9982151 Aqueous ink for inkjet, inkjet recording method, inkjet recorded matter, and inkjet recording device Hidefumi Nagashima, Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa 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, Juichi Furukawa, Masahiro Kido, Takashi Tamai +1 more 2018-01-16
9663668 Inkjet ink, inkjet recording method and ink recorded matter Tomohiro Nakagawa, Naohiro Toda, Hidefumi Nagashima, Juichi Furukawa 2017-05-30
9605173 Ink, inkjet recording method, ink cartridge, recorded matter, and inkjet recording device Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima, Juichi Furukawa, 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, Juichi Furukawa 2017-03-07
9574098 Ink for inkjet recording and recording method therewith Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima 2017-02-21
9493001 Inkjet recording method, inkjet recorded matter, and inkjet recording device Naohiro Toda, Hidefumi Nagashima, Tomohiro Nakagawa, Juichi Furukawa 2016-11-15
9446606 Aqueous ink for inkjet, inkjet recorder and inkjet recording method Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima, Juichi Furukawa 2016-09-20
9358810 Inkjet recording method and inkjet recorder Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima, Juichi Furukawa 2016-06-07
9321923 Aqueous ink for inkjet, ink cartridge, and inkjet recording device Tomohiro Nakagawa, Naohiro Toda, Hidefumi Nagashima, Juichi Furukawa 2016-04-26
9284464 Inkjet ink, ink cartridge, and inkjet recording device Hidefumi Nagashima, Naohiro Toda, Tomohiro Nakagawa, Juichi Furukawa 2016-03-15
9243158 Aqueous ink for inkjet, inkjet recording device, inkjet printed matter, and inkjet recording method Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima 2016-01-26
9163160 Aqueous ink for inkjet, ink cartridge, and inkjet recording device Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima, Juichi Furukawa, Kiyofumi Nagai 2015-10-20
8801167 Inkjet recording apparatus, method for inkjet recording, and ink Keita Katoh, Masaki Kudo, Tomohiro Nakagawa, Akihiko Gotoh, Koji Katsuragi 2014-08-12
8746869 Ink for inkjet recording, inkjet recording method using the same, ink cartridge housing the same, and recorded matter Akihiko Matsuyama, Yuuki Yokohama, Kiyofumi Nagai, Hiroshi Gotou 2014-06-10
8680175 Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same Shigeo Hatada, Keishi Taniguchi, Shigeru Kusakata, Akihiko Matsuyama, Yuuki Yokohama 2014-03-25
8651650 Inkjet recording ink, inkjet recording inkset, ink cartridge, inkjet recording method, and recorded matter Akihiko Matsuyama, Yuuki Yokohama, Kiyofumi Nagai, Akihiko Gotoh, Mariko Kojima +2 more 2014-02-18
8317913 Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same Shigeo Hatada, Keishi Taniguchi, Shigeru Kusakata, Akihiko Matsuyama, Yuuki Yokohama 2012-11-27
7457565 Image forming apparatus Takatsugu Obata, Mikio Kakui 2008-11-25