KT

Keiichi Tateishi

FU Fujifilm: 74 patents #22 of 4,519Top 1%
Fujitsu Limited: 13 patents #2,362 of 24,456Top 10%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #18,750 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 1–25 of 88 patents

Patent #TitleCo-InventorsDate
12404417 Aqueous additive solution for ink composition, aqueous colorant solution for ink composition, ink composition, ink composition for ink jet recording, and ink jet recording method Yuta OKUAKI, Yuta TAKASAKI 2025-09-02
11845873 Dye ink composition, dye ink for ink jet recording, and ink jet recording method Takashi Saitou, Yuta TAKASAKI, Yusuke Sakai 2023-12-19
10745577 Aqueous solution, coloring composition, ink jet recording ink, ink jet recording method, and ink cartridge 2020-08-18
10711148 Coloring composition, ink jet recording ink, ink jet recording method, and ink jet printer cartridge Takashi Saitou, Yusuke Sakai, Yoshihiko Fujie, Yoshiaki Nagata 2020-07-14
10703910 Coloring composition, ink jet recording ink, ink jet recording method, and ink jet printer cartridge Takashi Saitou, Yusuke Sakai, Takuma Amemiya, Yoshihiko Fujie, Yoshiaki Nagata 2020-07-07
10689535 Coloring composition, ink jet recording ink, ink jet recording method, and ink jet printer cartridge Takashi Saitou, Yusuke Sakai, Yoshihiko Fujie, Yoshiaki Nagata 2020-06-23
10662332 Compound, coloring composition for dyeing or textile printing, ink for ink jet textile printing, method of printing on fabric, and dyed or printed fabric Takashi Iizumi, Kazunari Yagi 2020-05-26
10538670 Pigment dispersion liquid and inkjet ink Shinya Hayashi, Yoshiaki Nagata, Kazufumi Omura, Kazushi Furukawa 2020-01-21
10487210 Coloring composition for textile printing, textile printing method, ink for ink jet textile printing, and dyed fabric Kazunari Yagi, Takashi Iizumi, Akihiro Hakamata, Yoshihiko Fujie 2019-11-26
9963605 Coloring composition, ink jet recording ink, and ink jet recording method Yoshihiko Fujie, Yusuke Sakai, Takashi Saitou, Hiromi Kobayashi 2018-05-08
9701839 Compound, coloring composition, ink jet recording ink, ink jet recording method, ink jet printer cartridge, ink jet recording material, color filter, color toner, and transfer ink Yoshihiko Fujie, Yusuke Sakai, Hiromi Kobayashi 2017-07-11
9670364 Compound having xanthene skeleton, colorant composition, ink for inkjet recording, inkjet recording method, inkjet printer cartridge, and inkjet recording material Yoshihiko Fujie 2017-06-06
9359503 Azo pigment, method for preparing azo pigment, dispersion including azo pigment, coloring composition, and inkjet recording ink Shinya Hayashi, Hiroshi Yamada, Yoshiaki Nagata 2016-06-07
9359502 Dispersion including azo pigment, coloring composition, inkjet recording ink and method for preparing dispersion Shinya Hayashi, Hiroshi Yamada, Yoshiaki Nagata 2016-06-07
9023139 Coloring composition, ink for inkjet recording and inkjet recording method Yoshihiko Fujie, Clive Edwin Foster 2015-05-05
9023138 Compound having xanthene skeleton, coloring composition, ink for ink jet recording and ink jet recording method Yoshihiko Fujie, Clive Edwin Foster 2015-05-05
8876915 Coloring composition and ink for inkjet recording Yoshihiko Fujie, Prakash Patel, Clive Edwin Foster 2014-11-04
8845760 Compound having multimer structure of xanthene derivative, coloring composition, ink for inkjet recording, method of inkjet recording, color filter, and color toner Yoshihiko Fujie, Clive Edwin Foster 2014-09-30
8834619 Ink composition, ink for inkjet recording and inkjet recording method Yoshiaki Nagata, Toshiharu Tanaka 2014-09-16
8828132 Pigment composition, ink for inkjet recording, coloring composition for color filter, and color filter Masahiro Higashi, Nobuo Seto, Yoshihiro Jimbo 2014-09-09
8808440 Ink composition, ink for inkjet recording and inkjet recording method Yoshihiko Fujie, Toshiharu Tanaka 2014-08-19
8703935 Method of producing a metal phthalocyanine compound, and method of producing a phthalocyanine compound and an analogue thereof Masahiko Taniguchi, Hideo Hanawa, Nobuo Seto, Kazufumi Omura 2014-04-22
8641785 Aqueous pigment dispersion and aqueous ink for inkjet recording Hiroshi Yamamoto 2014-02-04
8636814 Compound having xanthene structure, coloring composition, ink for inkjet recording and inkjet recording method Yoshihiko Fujie, Clive Edwin Foster 2014-01-28
8628588 Coloring composition, ink for inkjet recording and inkjet recording method Yoshihiko Fujie, Clive Edwin Foster 2014-01-14