Naohito Shimota

This inventor holds 37 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 7 EPO patents, primarily in Toner Development. Top assignees: Ricoh Company, Ltd., Jnc Corporation. Active years: 1995-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naohito Shimota. Retrieved from https://idiyas.com/inventor/naohito-shimota

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

USPTO Granted Patents = 37 (Patent Applications = 4)

% Patents Active = 73.0

CIPO Patents = 1

EPO Patents = 7 (Patent Applications = 6)

Average Co-Inventor Count = 8.1

ph-index = 15

Forward Citations = 502(Granted Patents)

Location History:

Suntoh-gun, JP (2005)
Sunto-gun, JP (2005 - 2009)
Suntou-gun, JP (2009)
Shizuoka-ken, JP (1997 - 2012)
Numazu, JP (1995 - 2014)
Shizuoka, JP (2004 - 2014)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1995-2014

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Areas of Expertise:

Toner

Developer

Image Forming Method

Electrostatic Image

Process Cartridge

Resin Particle

Fixing Device

Two-Component Developer

Dry Toner

Electrophotographic Image

Magnet Brush

Emulsion Ink

37 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8846289 - Method of manufacturing toner and toner manufactured by the method (2014-09-30),

2. 8835086 - Electrostatic image developing toner (2014-09-16),

3. 8703375 - Toner, method for forming toner, developer, and image forming method (2014-04-22),

4. 8673528 - Toner, developer, toner accommodating container, process cartridge and image forming method (2014-03-18),

5. 8557491 - Toner, developer, toner container, process cartridge, and image forming method (2013-10-15),

6. 8293442 - Resin particle, toner, and image forming method and process cartridge using the same (2012-10-23),

7. 8268526 - Toner, developer and image forming apparatus (2012-09-18),

8. 8227164 - Toner, and developer, developer container, process cartridge, image forming apparatus and image forming method using the toner (2012-07-24),

9. 8178268 - Magenta toner and developer (2012-05-15),

10. 7736826 - Toner, developer and image forming apparatus (2010-06-15),

11. 7702271 - Fixing device, and image forming apparatus using the fixing device (2010-04-20),

12. 7695883 - Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same (2010-04-13),

13. 7587161 - Fixer and image forming apparatus (2009-09-08),

14. 7531281 - Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same (2009-05-12),

15. 7521164 - Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method (2009-04-21),

Title: Naohito Shimota: Innovator in Toner Technology

Introduction

Naohito Shimota is a prominent inventor based in Numazu, Japan, known for his significant contributions to toner manufacturing technologies. With an impressive portfolio of 37 patents, he has played a vital role in advancing the field of electrostatic image developing toners.

Latest Patents

Shimota's latest innovations include a groundbreaking patent for a method of manufacturing toner. This method comprises melting, mixing, and kneading a releasing agent with a coloring agent and polyester binder resin, followed by suspending and granulating these components in an aqueous medium. Another notable patent is for an electrostatic image developing toner that incorporates a binder resin, a colorant, and a wax. The toner features a specific intensity ratio of absorbances measured by FTIR-ATR, which determines the wax concentration within the toner particles after thermal processing.

Career Highlights

Throughout his career, Naohito Shimota has worked with renowned companies, including Ricoh Company, Ltd. and Jnc Corporation. His commitment to innovation in toner technology has positioned him as a leading figure in the industry, culminating in numerous patents that reflect his expertise.

Collaborations

Shimota has collaborated with fellow inventors, including Shinichiro Yagi and Fumihiro Sasaki. These partnerships have fostered a creative environment that has led to the development of advanced toner solutions.

Conclusion

Naohito Shimota's dedication to innovation in toner manufacturing is evident through his extensive patent portfolio and impactful collaborations. As the demand for high-quality toner products continues to grow, his contributions to this field will undoubtedly play a pivotal role in shaping future advancements.

Profile summary based on public USPTO records.