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Kanto Kagaku Kabushiki Kaisha

USPTO Granted Patents = 101

EPO Patents = 23

Forward Citations = 499

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178 inventors (with patents filed for the assignee):

Norio Ishikawa (20 out of 39 patents)

Kunihiko Murata (16 out of 17 patents)

Kiyoto Mori (11 out of 16 patents)

4. Takuo Ohwada (9 out of 9 patents)

5. Masaru Kato (9 out of 12 patents)

6. Kenji Suzuki (9 out of 35 patents)

7. Masahito Watanabe (8 out of 35 patents)

8. Hidemitsu Aoki (7 out of 70 patents)

9. Senya Inoue (7 out of 7 patents)

10. Akira Ono (6 out of 53 patents)

11. Junichi Hori (6 out of 6 patents)

12. Hideki Takahashi (5 out of 92 patents)

13. Kunihiko Tsutsumi (5 out of 5 patents)

14. Takeaki Katayama (5 out of 5 patents)

15. Yumiko Abe (5 out of 8 patents)

Core Competencies:

Hydrogen Peroxide Decomposition

Cleaning Liquid Composition

Etchant Composition

Pluripotent Stem Cells

Dehydrogenation Catalyst

Optically Active Alcohols

Photoresist Stripping Solution

Semiconductor Device Manufacturing

Organic Metal Complex

Electroless Gold Plating

Ruthenium Complex

Hydrogenation Catalyst

101 patents: Sort by Forward Citations

1. 12054659 - Hydrogen peroxide decomposition inhibitor (2024-08-06),

2. 11905490 - Cleaning liquid composition (2024-02-20),

3. 11732365 - Composition for removing ruthenium (2023-08-22),

4. 11692173 - Method for inducing differentiation of pluripotent stem cells into hepatocytes (2023-07-04),

5. 11512397 - Etchant composition and method for etching (2022-11-29),

6. 11485812 - Pyranoquinazoline derivatives and naphthopyran derivatives (2022-11-01),

7. 11279904 - Cleaning liquid composition (2022-03-22),

8. 11198264 - Dried hydrogel, dried vitrigel membrane, and methods for producing the same (2021-12-14),

9. 11091726 - Composition for removing photoresist residue and/or polymer residue (2021-08-17),

10. 11046910 - Cleaning solution composition (2021-06-29),

11. 10920326 - Etchant composition for etching titanium layer or titanium-containing layer, and etching method (2021-02-16),

12. 10900014 - Long-term storage medium for culturing obligate anaerobic bacteria or microaerobic bacteria under aerobic environment, and method of detecting obligate anaerobic bacteria or microaerobic bacteria using said medium (2021-01-26),

13. 10658569 - Method for manufacturing niobate-system ferroelectric thin-film device (2020-05-19),

14. 10655231 - Etchant composition for multilayered metal film of copper and molybdenum, method of etching using said composition, and method for prolonging life of said composition (2020-05-19),

15. 10199564 - Method for manufacturing niobate-system ferroelectric thin-film device (2019-02-05),

KANTO KAGAKU KABUSHIKI KAISHA is a leading chemical company based in Japan. With over 100 years of experience, they specialize in the production and distribution of various chemicals, including laboratory reagents, fine chemicals, and bulk pharmaceuticals. Their commitment to quality and innovation has made them a trusted partner for customers worldwide. To learn more about their products and services, please visit their official website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

101 Patents

#471 in Tokyo

#1,093 in Japan

#7,506 in the World

Kanto Kagaku Kabushiki Kaisha

Forward Citations = 499

178 inventors:

Norio Ishikawa (20 out of 39 patents)

Kunihiko Murata (16 out of 17 patents)

Kiyoto Mori (11 out of 16 patents)

4. Takuo Ohwada (9 out of 9 patents)

5. Masaru Kato (9 out of 12 patents)

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