Keiichi Tateishi

This inventor holds 88 USPTO granted patents and 2 published patent applications, plus 11 CIPO patents and 31 EPO patents, primarily in Ink Jet Recording (CPC class C09D11-328). Top assignees: Fujifilm Corporation, Fuji Photo Film Company, Limited, Seiko Epson Corporation. Active years: 1993-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Tateishi. Retrieved from https://idiyas.com/inventor/keiichi-tateishi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 88 (Patent Applications = 2)

% Patents Active = 46.6

CIPO Patents = 11

EPO Patents = 31 (Patent Applications = 19)

Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 311(Granted Patents)

Forward Citations (Not Self Cited) = 192(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagwa, JP (2002)
Ashigarakami-gun, JP (2012)
Shizuoka, JP (1993 - 2013)
Odawara, JP (2013)
Shizouka, JP (2013)
Shizuoka-ken, JP (2013)
Minami-Ashigara, JP (2002 - 2014)
Manchester, GB (2013 - 2014)
Blackley, GB (2014)
Kanagawa, GB (2015)
Fujinomiya, JP (2011 - 2017)
Kanagawa, JP (2000 - 2023)

Company Filing History:

Fuji Photo Film Company, Limited

patents

1 out of 34,268

Seiko Epson Corporation

patents

where one patent can have more than one assignee

Years Active: 1993-2026

Loading Chart...

Areas of Expertise:

Ink Jet Recording

Dye Ink Composition

Pigment Dispersion

Aqueous Ink

Coloring Composition

Ink Cartridge

Textile Printing

Color Filter

Recording Method

Ink Composition

Azo Compound

Ink Set

88 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12528945 - Dye ink composition, cyan dye ink, dye ink for ink jet recording, ink jet recording method, and aqueous dye solution (2026-01-20),

2. 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 (2025-09-02),

3. 11845873 - Dye ink composition, dye ink for ink jet recording, and ink jet recording method (2023-12-19),

4. 10745577 - Aqueous solution, coloring composition, ink jet recording ink, ink jet recording method, and ink cartridge (2020-08-18),

5. 10711148 - Coloring composition, ink jet recording ink, ink jet recording method, and ink jet printer cartridge (2020-07-14),

6. 10703910 - Coloring composition, ink jet recording ink, ink jet recording method, and ink jet printer cartridge (2020-07-07),

7. 10689535 - Coloring composition, ink jet recording ink, ink jet recording method, and ink jet printer cartridge (2020-06-23),

8. 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 (2020-05-26),

9. 10538670 - Pigment dispersion liquid and inkjet ink (2020-01-21),

10. 10487210 - Coloring composition for textile printing, textile printing method, ink for ink jet textile printing, and dyed fabric (2019-11-26),

11. 9963605 - Coloring composition, ink jet recording ink, and ink jet recording method (2018-05-08),

12. 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 (2017-07-11),

13. 9670364 - Compound having xanthene skeleton, colorant composition, ink for inkjet recording, inkjet recording method, inkjet printer cartridge, and inkjet recording material (2017-06-06),

14. 9359503 - Azo pigment, method for preparing azo pigment, dispersion including azo pigment, coloring composition, and inkjet recording ink (2016-06-07),

15. 9359502 - Dispersion including azo pigment, coloring composition, inkjet recording ink and method for preparing dispersion (2016-06-07),

Title: The Innovative Journey of Keiichi Tateishi

Introduction: Keiichi Tateishi is a pioneering inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Keiichi Tateishi holds several recent patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Keiichi Tateishi has worked tirelessly to develop cutting-edge solutions that have revolutionized industries. His innovative spirit and commitment to excellence have earned him recognition as a leading figure in the world of inventors.

Collaborations: Throughout his career, Keiichi Tateishi has collaborated with top research institutions, universities, and tech companies to bring his ideas to life. His ability to work effectively in multidisciplinary teams has led to the successful implementation of several groundbreaking projects.

Conclusion: Keiichi Tateishi's passion for innovation, coupled with his technical expertise, has solidified his position as a trailblazer in the world of inventors. His relentless pursuit of excellence continues to inspire future generations of innovators to push the boundaries of what is possible in the realm of technology.

Profile summary based on public USPTO records.