Makoto Komatsu

This inventor holds 76 USPTO granted patents and 6 published patent applications, plus 12 CIPO patents and 11 EPO patents, primarily in Adsorbent Technology (CPC class G03G). Top assignees: Ricoh Company, Ltd., Ebara Corporation, Mitsubishi Gas Chemical Company, Inc.. Active years: 1980-2024.

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

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

USPTO Granted Patents = 76 (Patent Applications = 6)

% Patents Active = 60.5

CIPO Patents = 12 (Patent Applications = 2)

EPO Patents = 11 (Patent Applications = 22)

Average Co-Inventor Count = 4.2

ph-index = 11

Forward Citations = 397(Granted Patents)

Forward Citations (Not Self Cited) = 323(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kurashiki, JP (1980 - 1982)
Tsukuba, JP (1995)
Ibaraki, JP (1998 - 2006)
Matsushige, JP (2007)
Ninomiya-machi, JP (2009 - 2010)
Tokushima, JP (1987 - 2017)
Kanagawa, JP (2004 - 2022)
Yokohama, JP (2013 - 2023)
Tokyo, JP (1993 - 2024)

Company Filing History:

Mitsubishi Gas Chemical Company, Inc.

patents

4. 6 out of 677

Eisai Company, Limited

patents

5. 5 out of 846

Otsuka Pharmaceutical Company, Limited

patents

6. 3 out of 29

Titan Kogyo Kabushiki Kaisha

patents

7. 2 out of 163

Nippon Chemical Industrial Co., Ltd.

Clariant Catalysts (Japan) K.k.

patents

10. 1 out of 1

I. Otsuka Pharmaceutical Co., Ltd.

patent

11. 1 out of 1

Nihon Kaisu Co., Ltd.

13. 1 out of 834,453

Other

patents

where one patent can have more than one assignee

Years Active: 1980-2024

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Areas of Expertise:

Cobalt Ion Adsorption

Silicotitanate

Radioactive Waste Treatment

Image Forming Apparatus

Powder Supply Device

Alkaline Earth Metal Ion

Cesium Adsorbent

Iodine Compounds

Water Purification

Developer Supply Device

Toner Concentration Control

76 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12161989 - Cobalt ion adsorption material and method for producing same (2024-12-10),

2. 11890610 - Cobalt ion adsorbent, method for producing same and treatment apparatus for cobalt ion-containing liquid (2024-02-06),

3. 11550239 - Powder container, powder supply device and image forming apparatus (2023-01-10),

4. 11471855 - Adsorption method for at least one of cesium and strontium employing silicotitanate having sitinakite structure (2022-10-18),

5. 11467516 - Powder container and image forming apparatus (2022-10-11),

6. 11446631 - Alkaline earth metal ion adsorbent, and production method of the same, and alkaline earth metal ion-containing liquid treatment apparatus (2022-09-20),

7. 11400432 - Silicotitanate molded body, production method thereof, adsorbent for cesium and/or strontium comprising silicotitanate molded body, and decontamination method for radioactive waste solution by using adsorbent (2022-08-02),

8. 11281124 - Powder container, powder supply device and image forming apparatus (2022-03-22),

9. 11249421 - Powder container, powder supply device and image forming apparatus (2022-02-15),

10. 11213799 - Adsorbent for radioactive antimony, radioactive iodine and radioactive ruthenium, and treatment method of radioactive waste water using the adsorbent (2022-01-04),

11. 11110430 - Treatment method of radioactive iodine-containing fluid (2021-09-07),

12. 10948850 - Powder container and image forming apparatus (2021-03-16),

13. 10908531 - Powder container, powder supply device and image forming apparatus (2021-02-02),

14. 10726702 - Information processing system, information processing method, and program (2020-07-28),

15. 10481514 - Image forming apparatus and image forming method (2019-11-19),

Title: **Makoto Komatsu: A Pioneer in Cobalt Ion Adsorption Innovations**

Introduction

Makoto Komatsu, based in Kanagawa, Japan, is a renowned inventor with an impressive portfolio of 70 patents. His work primarily focuses on advancements in cobalt ion adsorption materials and methods, contributing significantly to environmental technology and materials science.

Latest Patents

Among Komatsu's latest innovations are two noteworthy patents that showcase his expertise in cobalt ion adsorption. The first patent introduces a cobalt ion adsorption material characterized by a considerable adsorption capacity and reduced fine powder generation. The material consists of a powder with particle diameters ranging from 100 to 1,000 μm, incorporating a binder made of water-insoluble metal oxide or metal hydroxide fine particles in specific proportions to enhance its efficacy.

The second patent presents a particulate cobalt ion adsorbent with a high adsorption capacity. It features potassium hydrogen dititanate hydrate in a particle size range of 150 μm to 1,000 μm, and notably does not contain any binder, making it particularly innovative and efficient for treating cobalt ion-containing liquids.

Career Highlights

Throughout his career, Makoto Komatsu has contributed to major companies including Ricoh Company, Ltd. and Mitsubishi Gas Chemical Company, Inc. His roles within these enterprises have allowed him to further develop his innovative ideas into practical applications.

Collaborations

In his journey as an inventor, Komatsu has collaborated with fellow professionals such as Tsukuru Kai and Tadashi Hayakawa. Their collective efforts have helped drive significant advancements in the field of cobalt ion adsorption technologies.

Conclusion

Makoto Komatsu stands out as a prominent figure in the field of materials science, with a wealth of patents that reflect his innovative spirit and dedication. His recent advancements in cobalt ion adsorption materials not only demonstrate his prowess as an inventor but also promise to make a notable impact on environmental conservation and industrial applications in the future.

Profile summary based on public USPTO records.