IDiyas

For the Inventor, By the Inventor

Chuo-ku, Japan

Dainichiseika Color & Chemicals Mfg. Co., Ltd.


USPTO Granted Patents = 264



Trademarks = 17

Forward Citations = 1,404

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589 inventors (with patents filed for the assignee):

goldMedal Michiei Nakamura (41 out of 43 patents)

silverMedal Kazuyuki Hanada (35 out of 40 patents)

bronzeMedal Hiroyuki Shimanaka (31 out of 32 patents)

4.  Shinya Tsuchida (21 out of 48 patents)

5.  Yoshikazu Murakami (20 out of 39 patents)

6.  Takanori Sannan (20 out of 20 patents)

7.  Norio Tanaka (18 out of 43 patents)

8.  Kenichi Takahashi (17 out of 55 patents)

9.  Nobuyuki Kobayashi (17 out of 38 patents)

10.  Shojiro Horiguchi (17 out of 17 patents)

11.  Katsumi Kuriyama (16 out of 16 patents)

12.  Kazuya Kimura (15 out of 27 patents)

13.  Ichiro Ueno (15 out of 31 patents)

14.  Takashi Hiraga (15 out of 25 patents)

15.  Minoru Takizawa (15 out of 16 patents)


Core Competencies:
Polyurethane Aqueous Dispersion
Thermally Conductive Oxide
A-B Block Copolymer
Resin Beads
Pigment Dispersion
Conductive Resin Composition
Cosmetic Molded Article
Gas-Barrier Resin Film
Ozone Oxidation Treatment
Self-Crosslinkable Polyhydroxy Resin
Silicone-Modified Polyurethane Fiber
Alumina-Based Oxide

264 patents:

1. 12473392 - Polyurethane aqueous dispersion, adhesive, synthetic leather and paint (2025-11-18),
2. 12378350 - Aqueous polyurethane resin dispersion and method for producing same, paint, film arrangement, and structure (2025-08-05),
3. 12281254 - Alumina-based thermally conductive oxide and method for producing same (2025-04-21),
4. 12264217 - Surface treatment film, manufacturing method therefor, and article (2025-04-01),
5. 12237097 - Carbon material dispersion (2025-02-25),
6. 12194117 - Resin beads, method for producing resin beads, and product using resin beads (2025-01-14),
7. 12173105 - A-B block copolymer, polymer emulsion and water-based inkjet ink (2024-12-24),
8. 12168741 - Urethane prepolymer, adhesive, multilayer body and synthetic leather (2024-12-17),
9. 12146045 - Carbon material dispersion (2024-11-19),
10. 12065575 - Aqueous pigment dispersion liquid, aqueous ink-jet ink, and dry coating (2024-08-20),
11. 12017470 - Resin composition for back-surface layer and heat-sensitive transfer recording material (2024-06-25),
12. 11998630 - Resin beads, method for producing resin beads and product using resin beads (2024-06-04),
13. 11926741 - Method for producing quinacridone solid-solution pigment, pigment dispersion, and ink-jet ink (2024-03-12),
14. 11926718 - Resin beads, method for producing resin beads, and product using resin beads (2024-03-12),
15. 11840802 - Porous layer structure and method for producing same (2023-12-12),
Dainichiseika Color & Chemicals Mfg. Co., Ltd. is a global chemical manufacturing company based in Japan. With over 100 years of expertise, they specialize in the production and distribution of a diverse range of colors, pigments, and chemicals for various industries including printing, plastics, paints, and textiles. Dainichiseika is committed to providing high-quality products and innovative solutions to meet customer requirements. For more information about their products and services, please visit their official website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

264 Patents

#1 in Chuo-ku

#561 in Japan

#3,205 in the World

...
Chuo-ku, Japan

Dainichiseika Color & Chemicals Mfg. Co., Ltd.

Forward Citations = 1,404

589 inventors:

goldMedal Michiei Nakamura (41 out of 43 patents)

silverMedal Kazuyuki Hanada (35 out of 40 patents)

bronzeMedal Hiroyuki Shimanaka (31 out of 32 patents)

4.  Shinya Tsuchida (21 out of 48 patents)

5.  Yoshikazu Murakami (20 out of 39 patents)

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