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For the Inventor, By the Inventor

Tokyo, Japan

Dic Corporation


USPTO Granted Patents = 772



Trademarks = 45

Forward Citations = 960

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851 inventors (with patents filed for the assignee):

goldMedal Yoshinori Iwashita (45 out of 46 patents)

silverMedal Shinji Ogawa (31 out of 38 patents)

bronzeMedal Joji Kawamura (26 out of 30 patents)

4.  Katsunori Shimada (26 out of 26 patents)

5.  Shotaro Kawakami (25 out of 36 patents)

6.  Takeshi Kuriyama (25 out of 33 patents)

7.  Yutaka Satou (24 out of 27 patents)

8.  Tomoyuki Imada (23 out of 27 patents)

9.  Go Sudo (23 out of 26 patents)

10.  Masanao Hayashi (20 out of 20 patents)

11.  Makoto Negishi (20 out of 29 patents)

12.  Kazuo Arita (20 out of 25 patents)

13.  Tetsuo Kusumoto (19 out of 29 patents)

14.  Hiroshi Kinoshita (19 out of 19 patents)

15.  Yasuhiro Kuwana (19 out of 20 patents)


Core Competencies:
Liquid Crystal Composition
Composite Particles
Urethane Resin Composition
Block Copolymer
Alumina Particles
Pigment Composition
Curable Resin
Pressure-Sensitive Adhesive Tape
Fiber-Reinforced Molding Material
Polyarylene Ether Ketone Resin
Conductive Pillar
Inkjet Printing

772 patents:

1. 12503613 - Deinking method, deinking agent for use in said deinking method, and plastic substrate recovery method using same (2025-12-23),
2. 12503606 - Composite particle and method of producing composite particle (2025-12-23),
3. 12503570 - Inorganic filler fluidity modifier, inorganic filler-containing resin composition and molded article of resin composition (2025-12-23),
4. 12497303 - Molybdenum trioxide powder and method for producing same (2025-12-16),
5. 12486457 - Compound, liquid crystal composition, as well as liquid crystal display element, sensor, liquid crystal lens, optical communication equipment, and antenna each using the same (2025-12-02),
6. 12486439 - Urethane resin composition, adhesive, and synthetic leather (2025-12-02),
7. 12486176 - Composite particle and method of producing composite particle (2025-12-02),
8. 12473492 - Compound, liquid crystal composition, and liquid crystal display element, sensor, liquid crystal lens, optical communication device, and antenna using liquid crystal composition (2025-11-18),
9. 12460039 - Block copolymer intermediate, block copolymer, and methods for producing same (2025-11-04),
10. 12459830 - Plate-like alumina particle and method for manufacturing plate-like alumina particle (2025-11-04),
11. 12435290 - Molybdenum disulfide particles and lubricating composition (2025-10-07),
12. 12435219 - Curable resin composition, cured object, and three-dimensional object (2025-10-07),
13. 12429378 - Resin property value prediction apparatus, learning apparatus, and method for predicting resin property value (2025-09-30),
14. 12410316 - Urethane resin composition and leather sheet (2025-09-09),
15. 12409418 - Hollow fiber degassing module, inkjet printer, and method for degassing liquid (2025-09-09),
DIC Corporation is a global chemicals company specializing in the manufacture and sale of printing inks, organic pigments, polymer materials, and more. With its headquarters in Tokyo, Japan, DIC serves various industries such as automotive, electronics, food packaging, and cosmetics, providing innovative solutions and high-quality products. DIC is committed to sustainability and actively works towards minimizing its environmental impact while delivering value to customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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772 Patents

#120 in Tokyo

#269 in Japan

#1,261 in the World

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Tokyo, Japan

Dic Corporation

Forward Citations = 960

851 inventors:

goldMedal Yoshinori Iwashita (45 out of 46 patents)

silverMedal Shinji Ogawa (31 out of 38 patents)

bronzeMedal Joji Kawamura (26 out of 30 patents)

4.  Katsunori Shimada (26 out of 26 patents)

5.  Shotaro Kawakami (25 out of 36 patents)

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