Trademarks = 1

Forward Citations = 375

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7 inventors (with patents filed for the assignee):

Yusuke Kawano (3 out of 8 patents)

Hiroyuki Uehara (2 out of 8 patents)

Shigeru Aida (2 out of 2 patents)

4. Zenichi Ohnuki (2 out of 2 patents)

5. Takashi Sano (1 out of 9 patents)

6. Zenichi Oknuki (1 out of 1 patent)

7. Hikaru Ishikawa (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 5295957 - Breast pump having a pressure adjusting mechanism (1994-03-22),

2. D326796 - Infant's drinking cup (1992-06-09),

3. D322196 - Infant's drinking cup (1991-12-10),

4. D315831 - Toothbrush (1991-04-02),

5. D315213 - Nursing bottle (1991-03-05),

6. D315212 - Nursing bottle (1991-03-05),

7. D313103 - Breast pump (1990-12-18),

8. D308172 - Clinical thermometer (1990-05-29),

9. 4759747 - Breast pump including pressure adjusting means (1988-07-26),

Company Overview

Pigeon Co., Ltd. is a leading manufacturer of baby and mother care products. With over 60 years of experience, Pigeon is committed to providing safe, high-quality products for families around the world. Their extensive product line includes baby bottles, breast pumps, pacifiers, and skincare products. Pigeon prioritizes innovation and design, continuously improving their products to meet the evolving needs of parents and babies. Customers trust Pigeon for their dedication to quality and safety in every product they produce.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#2,022 in Tokyo

#4,704 in Japan

Tokyo, Japan

Pigeon Co., Ltd.

Forward Citations = 375

7 inventors:

Yusuke Kawano (3 out of 8 patents)

Hiroyuki Uehara (2 out of 8 patents)

Shigeru Aida (2 out of 2 patents)

4. Zenichi Ohnuki (2 out of 2 patents)

5. Takashi Sano (1 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pigeon Co., Ltd.. Retrieved from https://idiyas.com/company/pigeon-company

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]