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For the Inventor, By the Inventor

Shizuoka, Japan

Naoya Morohoshi

This inventor holds 38 USPTO granted patents and 1 published patent application and 18 EPO patents, primarily in Inkjet Technology. Top assignees: Ricoh Company, Ltd., Canon Kabushiki Kaisha, Nippon Paper Industries Co., Ltd.. Active years: 1988-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoya Morohoshi. Retrieved from https://idiyas.com/inventor/naoya-morohoshi

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

USPTO Granted Patents = 38 

% Patents Active = 52.6

 

Average Co-Inventor Count = 3.8

ph-index = 11

Forward Citations = 428(Granted Patents)


Location History:

  • Hiratsuka, JP (1988 - 1990)
  • Tokyo, JP (2004)
  • Numazu, JP (1989 - 2013)
  • Shizuoka, JP (2003 - 2015)

Company Filing History:

goldMedal35 out of 28,940 
 
Ricoh Company, Ltd.
 patents
silverMedal3 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
bronzeMedal1 out of 343 
 
Nippon Paper Industries Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1988-2015

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Areas of Expertise:
Inkjet Recording Ink
Ink Cartridge
Image Forming Method
Ink Media Set
Recording Apparatus
Thermal Image Transfer
Pigment Dispersion
Recording Medium
Latent Electrostatic Image
Sublimation Type Thermal Image
Image Processing Apparatus
Recording Method
38 patents (USPTO):Explore Patents
1. 9056995 - Inkjet recording ink set and ink cartridge, and recording device, image forming method, and image-formed article using such ink set (2015-06-16),
2. 8919945 - Inkjet ink, pigment dispersion, image forming method, inkjet recording apparatus, ink cartridge, and print (2014-12-30),
3. 8827434 - Ink for ink jet recording, ink jet recording device, image forming method, and image recorded medium (2014-09-09),
4. 8815002 - Inkjet recording ink (2014-08-26),
5. 8770735 - Inkjet recording ink and ink cartridge (2014-07-08),
6. 8586647 - Recording ink, recording ink set, records, ink cartridge, recording method, and inkjet recording apparatus (2013-11-19),
7. 8580159 - Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus (2013-11-12),
8. 8444755 - Ink-jet recording ink, ink-jet recording ink set, ink-jet recording ink media set, ink cartridge, ink-jet recording method and ink-jet recording apparatus (2013-05-21),
9. 8399076 - Inkjet recording medium and inkjet recording method (2013-03-19),
10. 8337607 - Recording ink, recording medium, ink media set, ink recorded matter, ink jet recording method, and ink jet recording apparatus (2012-12-25),
11. 8328343 - Recording ink as well as ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method (2012-12-11),
12. 8252207 - Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus (2012-08-28),
13. 8240836 - Recording ink, ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus, and inkjet recording method (2012-08-14),
14. 8192013 - Inkjet recording apparatus and inkjet recording method (2012-06-05),
15. 8186793 - Image processing method, program, image processing apparatus, image forming apparatus, image forming system (2012-05-29),

Title: Naoya Morohoshi: Innovating Inkjet Technologies

Introduction

Naoya Morohoshi, a distinguished inventor hailing from Shizuoka, Japan, has contributed significantly to the field of inkjet technology. With an impressive portfolio of 38 patents, Morohoshi's innovations are pivotal in enhancing printing technology and applications.

Latest Patents

Among Morohoshi's notable recent patents is the development of an inkjet recording ink set and its accompanying ink cartridge. This innovation includes a formulation of black pigment ink, treated with an anionic surfactant, combined with a resin-coated black pigment and water, resulting in a highly effective pigment dispersion liquid. Additionally, he has introduced a color pigment ink containing a color pigment, a nonionic surfactant, and water to support the efficient dispersion of pigments in inkjet applications. His work on inkjet ink incorporates a distinct formulation, which includes water, a pigment, a polymer, and a hydrazine compound, highlighting the innovative polymer composition that reacts with hydrazino groups while maintaining a pH of not less than 9.

Career Highlights

Throughout his career, Morohoshi has worked with prominent companies such as Ricoh Company, Ltd. and Canon, enhancing their product lines with his expertise in inkjet technology. His patents serve as a testament to his dedication to research and development within this field, focusing on improving performance and print quality.

Collaborations

Morohoshi's innovative journey has been supported by collaborations with reputable colleagues, notably Kiyofumi Nagai and Tohru Ohshima. Their combined expertise in the field has contributed to groundbreaking advancements in imaging and printing methodologies.

Conclusion

Naoya Morohoshi's contributions to inkjet technology and his extensive patent portfolio highlight his role as a key innovator in the industry. As he continues to push the boundaries of what is possible in ink formulation and printing technology, his work inspires future advancements and innovations.

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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