Daicel Huels Ltd.

Calculating rank

USPTO Granted Patents = 7

Forward Citations = 196

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6 inventors (with patents filed for the assignee):

Toru Ikuta (5 out of 13 patents)

Hiroaki Arita (3 out of 22 patents)

Haruo Ichikawa (2 out of 3 patents)

4. Yoshiyuki Ikemoto (2 out of 8 patents)

5. Mitsuteru Mutsuda (1 out of 30 patents)

6. Hiroshi Sagane (1 out of 7 patents)

7 patents: Sort by Forward Citations

1. 6730764 - Concrete hardening retarder (2004-05-04),

2. 6376580 - Cement retarder and cement retardative sheet (2002-04-23),

3. 6114033 - Cement retarder and cement retardative sheet (2000-09-05),

4. 6077910 - Cement retarder and cement retardative sheet (2000-06-20),

5. 5932344 - Cement retarder and cement retardative sheet (1999-08-03),

6. 5922476 - Composite member and process for producing the same (1999-07-13),

7. 5916639 - Primer composition for powder coating (1999-06-29),

Company Overview

Daicel Huels Ltd. is a leading chemical company specializing in the production of high-quality specialty chemicals. With a strong focus on research and development, Daicel Huels Ltd. offers innovative solutions for a wide range of industries, including pharmaceuticals, agrochemicals, and electronics. Their commitment to sustainability and quality has earned them a reputation as a trusted partner to customers around the world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#2,290 in Tokyo

#5,462 in Japan

Tokyo, Japan

Daicel Huels Ltd.

Forward Citations = 196

6 inventors:

Toru Ikuta (5 out of 13 patents)

Hiroaki Arita (3 out of 22 patents)

Haruo Ichikawa (2 out of 3 patents)

4. Yoshiyuki Ikemoto (2 out of 8 patents)

5. Mitsuteru Mutsuda (1 out of 30 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daicel Huels Ltd.. Retrieved from https://idiyas.com/company/daicel-huels

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]