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Nippon Shokubai

USPTO Granted Patents = 25

EPO Patents = 20

Forward Citations = 13

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127 inventors (with patents filed for the assignee):

Masashi Mukae (5 out of 5 patents)

Hiroki Wada (4 out of 4 patents)

Takayuki Matsuda (3 out of 3 patents)

4. Toyofumi Sakai (3 out of 3 patents)

5. Kazushi Torii (2 out of 54 patents)

6. Kazuki Kimura (2 out of 26 patents)

7. Satoshi Matsumoto (2 out of 40 patents)

8. Shogo Arai (2 out of 7 patents)

9. Kanako Tsuru (2 out of 3 patents)

10. Toshiya Fukumoto (2 out of 12 patents)

11. Keiichi Nakamoto (2 out of 15 patents)

12. Yukihiro Matsumoto (2 out of 56 patents)

13. Takeshi Nishimura (2 out of 52 patents)

14. Yoshimine Sakamoto (2 out of 3 patents)

15. Yasutaka Takemoto (2 out of 2 patents)

Core Competencies:

Water-Absorbing Resin

Purification Device

Acrylic Acid

Ink-Jet Ink

Absorbent Body

Sulfur-Containing Polymer

Emulsion Particle

Recycling Method

Hydrophilicity Agent

Photoconductive Paint

Particulate Agent

Ketone Production

25 patents: Sort by Forward Citations

1. 12741924 - Purification device (2026-09-22),

2. 12734502 - Poly(meth)acrylic acid (salt)-based water-absorbing resin, and absorbent body (2026-09-15),

3. 12729176 - Method for purifying compound (2026-09-08),

4. 12722141 - Particulate water-absorbing agent (2026-09-01),

5. 12709593 - PURIFICATION DEVICE (2026-08-18),

6. 12709591 - METHOD FOR PRODUCING ACRYLIC ACID (2026-08-18),

7. 12703719 - Production of bridged artificial nucleosides (2026-08-11),

8. 12702967 - Particulate water-absorbing agent and method for producing the same (2026-08-11),

9. 12654151 - Method for recycling water absorbent resin (2026-06-16),

10. 12630654 - Emulsion particle-containing aqueous dispersion (2026-05-19),

11. 12606675 - Sulfur-containing polymer, method for producing same, and sulfur-containing polymer composition (2026-04-21),

12. 12606515 - Method for producing compound (2026-04-21),

13. 12600693 - Method for producing compound (2026-04-14),

14. 12590215 - Ink for ink-jet textile printing, method for producing printed matter using said ink, and article with adhered image (2026-03-31),

15. 12590214 - Ink-jet ink (2026-03-31),

Company Overview

Nippon Shokubai is a leading chemical manufacturer based in Osaka, Japan, specializing in the development and production of high-performance chemical products. The company focuses on various domains, including catalysts, superabsorbent polymers, and specialty chemicals, which are essential for industries such as automotive, electronics, and agriculture. With a commitment to innovation and sustainability, Nippon Shokubai aims to contribute to advancements in technology and environmental stewardship on a global scale.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

25 Patents

#277 in Osaka

#2,570 in Japan

#25,710 in the World

Nippon Shokubai

Forward Citations = 13

127 inventors:

Masashi Mukae (5 out of 5 patents)

Hiroki Wada (4 out of 4 patents)

Takayuki Matsuda (3 out of 3 patents)

4. Toyofumi Sakai (3 out of 3 patents)

5. Kazushi Torii (2 out of 54 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Shokubai. Retrieved from https://idiyas.com/company/nippon-shokubai

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

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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