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For the Inventor, By the Inventor

Susono, Japan

Keishi Taniguchi

This inventor holds 47 USPTO granted patents and 1 published patent application and 3 EPO patents, primarily in Inkjet Technology. Top assignees: Ricoh Company, Ltd., Matsushita Electric Industrial Co., Ltd., Other. Active years: 1984-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keishi Taniguchi. Retrieved from https://idiyas.com/inventor/keishi-taniguchi

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

USPTO Granted Patents = 47 

% Patents Active = 91.5


Average Co-Inventor Count = 2.6

ph-index = 13

Forward Citations = 488(Granted Patents)


Location History:

  • Sunto, JP (1984)
  • Shizuoka-ken, JP (2000)
  • Ohta-ku, JP (2003)
  • Shizuoka, JP (1985 - 2006)
  • Susono, JP (1990 - 2014)

Company Filing History:

goldMedal45 out of 28,934 
 
Ricoh Company, Ltd.
 patents
silverMedal2 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
bronzeMedal1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1984-2014

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Areas of Expertise:
Inkjet Ink
Pigment Dispersion
Image Formation
Ink Cartridge
Thermosensitive Material
Emulsion Ink
Image Transfer Sheet
Fluid-Releasable
Recording Method
Thermal Transfer
Recording Medium
Image Supporting Material
47 patents (USPTO):Explore Patents
1. 8680175 - Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same (2014-03-25),
2. 8317913 - Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the same (2012-11-27),
3. 8246156 - Water-based pigment dispersion, production method thereof, water-based pigment ink, production method thereof, ink record, inkjet recording apparatus, and inkjet recording method (2012-08-21),
4. 7815301 - Water-based pigment dispersion, production method thereof, water-based pigment ink, production method thereof, ink record, inkjet recording apparatus, and inkjet recording method (2010-10-19),
5. 7798629 - Pigment dispersion, inkjet-ink using the pigment dispersion, image forming process, and image forming apparatus (2010-09-21),
6. 7152968 - Image formation method (2006-12-26),
7. 7101919 - Inkjet, inkjet cartridge containing the inkjet ink, inkjet recording apparatus using the inkjet ink, inkjet recording method using the inkjet ink, and image formed by the inkjet recording method (2006-09-05),
8. 6929686 - Ink composition for inkjet recording (2005-08-16),
9. 6881251 - Inkjet ink composition, method for manufacturing the inkjet ink composition and image forming method using the inkjet ink composition (2005-04-19),
10. 6814792 - Pigment dispersion, inkjet ink composition using the pigment dispersion, method of manufacturing the inkjet ink composition and image forming method using the inkjet ink composition (2004-11-09),
11. 6786959 - PIGMENT DISPERSION, METHOD FOR PREPARING THE PIGMENT DISPERSION, INKJET INK USING THE PIGMENT DISPERSION, METHOD FOR PREPARING THE INKJET INK, INK CARTRIDGE CONTAINING THE INKJET INK, IMAGE FORMING METHOD AND APPARATUS USING THE INKJET INK, AND PRINT IMAGE PRODUCED BY THE IMAGE FORMING METHOD AND APPARATUS (2004-09-07),
12. 6696390 - Image transfer sheet, method for forming image on the image transfer sheet and image transfer method using the image transfer sheet (2004-02-24),
13. 6656879 - Method of reversible selective manifestation of different states of functional element (2003-12-02),
14. 6565642 - Pigment dispersion liquid and method of producing the same (2003-05-20),
15. 6555705 - Thermosensitive recording material and phthalic acid derivatives for use in the same (2003-04-29),

Title: Keishi Taniguchi: Innovator in Inkjet Technology

Introduction

Keishi Taniguchi, an accomplished inventor based in Susono, Japan, holds an impressive portfolio of 47 patents. His innovative contributions significantly impact the field of inkjet technology, particularly in the development of high-quality inks and recording methods.

Latest Patents

Taniguchi's latest patents exhibit his ingenuity and focus on enhancing inkjet printing. One of his notable inventions is related to inkjet ink and ink cartridges. His patent discloses an inkjet ink that includes a colorant, water, a water-insoluble resin, a fluorine surfactant, and polyether-modified silicone oil. This unique formula boasts a hydrophobic value ranging from 0.40 to 1.5, which enhances the ink's performance and quality, making it suitable for a variety of inkjet recording apparatuses.

Career Highlights

Throughout his career, Keishi Taniguchi has worked with renowned companies such as Ricoh Company, Ltd. and Matsushita Electric Industrial Co., Ltd. His experience at these leading organizations has enabled him to collaborate on cutting-edge projects and develop innovative technologies in the inkjet industry.

Collaborations

Taniguchi has collaborated with notable professionals in the field, including Shigeo Hatada and Eiichi Kawamura. Their combined expertise has contributed to advancements in inkjet technology, pushing the boundaries of what is possible in the printing industry.

Conclusion

Keishi Taniguchi's contributions to the realm of inkjet technology are invaluable, evident through his substantial patent portfolio and collaborative efforts. His innovative spirit continues to drive advancements, ensuring that inkjet printing remains an essential technology in a digital age.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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