Forward Citations = 30

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14 inventors (with patents filed for the assignee):

Sadao Kumasaka (5 out of 13 patents)

Satomi Tada (5 out of 11 patents)

Koretoshi Katsuki (3 out of 4 patents)

4. Osamu Fujii (3 out of 6 patents)

5. Masao Idei (2 out of 2 patents)

6. Ryoji Nagamine (2 out of 4 patents)

7. Hiroshi Taniguchi (1 out of 8 patents)

8. Tutomu Yamamoto (1 out of 1 patent)

9. Kazuo Hashimoto (1 out of 2 patents)

10. Yosuke Sato (1 out of 1 patent)

11. Kazuo Ibata (1 out of 1 patent)

12. Shigeo Kuga (1 out of 1 patent)

13. Goro Yoneyama (1 out of 3 patents)

14. Hirokazu Wakabayashi (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5079276 - Method of manufacturing polyurethane foam (1992-01-07),

2. 4988271 - Apparatus for producing polyurethane foam (1991-01-29),

3. 4814515 - Method of manufacturing a modified polyhydroxy compound (1989-03-21),

4. 4666393 - Apparatus for manufacturing polyurethane foam slabs in a batch (1987-05-19),

5. 4610922 - Asphalt impregnated foam and method of producing the same (1986-09-09),

Company Overview

Human Industry Corporation is a leading provider of innovative products and solutions for the healthcare industry. With a strong focus on research and development, we strive to revolutionize the way healthcare is delivered and improve patient outcomes. Our cutting-edge technologies and state-of-the-art facilities enable us to offer a wide range of products, from medical devices to pharmaceuticals, that meet the highest standards of quality and efficacy. At Human Industry, we are committed to making a positive impact on the world by creating products that enhance the lives of patients and healthcare professionals alike.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#2,721 in Tokyo

#6,652 in Japan

Tokyo, Japan

Human Industry Corporation

Forward Citations = 30

14 inventors:

Sadao Kumasaka (5 out of 13 patents)

Satomi Tada (5 out of 11 patents)

Koretoshi Katsuki (3 out of 4 patents)

4. Osamu Fujii (3 out of 6 patents)

5. Masao Idei (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Human Industry Corporation. Retrieved from https://idiyas.com/company/human-industry

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]