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For the Inventor, By the Inventor

Hino, Japan

Makoto Tomono

This inventor holds 39 USPTO granted patents, primarily in Electrostatic Toner Technology. Top assignees: Konishiroku Photo Industry Co., Ltd., Konica Corporation, Japan Synthetic Rubber Co., Ltd.. Active years: 1976-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Tomono. Retrieved from https://idiyas.com/inventor/makoto-tomono

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

USPTO Granted Patents = 39

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 14

Forward Citations = 612(Granted Patents)


Location History:

  • Hachioji, JA (1976 - 1977)
  • Hino, JA (1977)
  • Tokyo, JP (1985)
  • Hachioji, JP (1981 - 1990)
  • Hino, JP (1978 - 1997)

Company Filing History:

goldMedal33 out of 1,252 
 
Konishiroku Photo Industry Co., Ltd.
 patents
silverMedal6 out of 3,106 
 
Konica Corporation
 patents
bronzeMedal1 out of 377 
 
Japan Synthetic Rubber Co., Ltd.
 patents
4. 1 out of 882 
 
Sekisui Chemical Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1976-1997

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Areas of Expertise:
Electrostatic Images
Toner Composition
Electrophotography
Two Component Developer
Image Development
Triboelectric Stabilization
Latent Image
Magnetic Particle Toner
Toner Fixing Method
Cleaning Apparatus
Charging Method
Color Transfer Process
39 patents (USPTO):Explore Patents
1. 5629123 - Toners for use in developing electrostatic images (1997-05-13),
2. 5629118 - Toner for use in developing electrostatic images (1997-05-13),
3. 5023158 - Toner for use in developing electrostatic images (1991-06-11),
4. 5004666 - Toner for use in developing electrostatic images (1991-04-02),
5. 4997739 - Toner for use in developing electrostatic images (1991-03-05),
6. 4988598 - Toner for use in developing electrostatic images (1991-01-29),
7. 4968574 - Toner for electrophotography (1990-11-06),
8. 4921771 - Toner for use in developing electrostatic images containing polypropylene (1990-05-01),
9. 4917982 - Toner for use in developing electrostatic images containing polypropylene (1990-04-17),
10. 4792512 - Method of developing electrostatic images using two component developer (1988-12-20),
11. 4675267 - Method of developing electrostatic images using two component developer (1987-06-23),
12. 4657837 - Toner for developing an electrostatically charged image (1987-04-14),
13. 4624559 - Developing method for electrostatic latent image (1986-11-25),
14. 4623604 - Triboelectric stabilized toner for developing electrically charged (1986-11-18),
15. 4564573 - Electrostatic image forming toner (1986-01-14),

Title: Innovator Spotlight: Makoto Tomono - Pioneer in Toner Development

Introduction: Makoto Tomono, a prolific inventor hailing from Hino, Japan, has made significant contributions to the field of toner development with an impressive portfolio of 39 patents. His innovative work with toners for developing electrostatic images has revolutionized the printing industry.

Latest Patents: Among his recent patents is a groundbreaking toner formulation that includes a coloring agent, a styrene homopolymer or copolymer with vinyl monomers, and polypropylene in precise proportions. This innovative toner enhances the quality and efficiency of developing electrostatic images.

Career Highlights: Makoto Tomono's expertise in toner development has been honed through his tenure at esteemed companies such as Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His dedication to advancing printing technologies has earned him recognition as a pioneer in the field.

Collaborations: Throughout his career, Makoto Tomono has collaborated closely with industry peers such as Satoshi Haneda and Noriyoshi Tarumi. Together, they have pushed the boundaries of toner technology and set new standards for quality and performance.

Conclusion: In conclusion, Makoto Tomono stands as a leading figure in the world of toner development, with a remarkable track record of patents and innovations that have transformed the printing industry. His relentless pursuit of excellence and collaboration with industry experts have solidified his legacy as a true innovator in his field.

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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