Tokyo, Japan

Pigeon Corporation


USPTO Granted Patents = 57

% Expired Patents = 12.3


Trademarks = 12

Forward Citations = 586

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55 inventors (with patents filed for the assignee):

goldMedal Mitsuo Tashiro (12 out of 16 patents)

silverMedal Daisuke Yamashita (11 out of 55 patents)

bronzeMedal Yukifumi Ochiai (9 out of 9 patents)

4.  Satoru Saito (7 out of 10 patents)

5.  Hiroyuki Uehara (6 out of 8 patents)

6.  Yoichi Nakata (5 out of 8 patents)

7.  Shinichi Kataoka (5 out of 5 patents)

8.  Yuichiro Tanaka (4 out of 15 patents)

9.  Ryotaro Sato (4 out of 12 patents)

10.  Sumiko Kuroishi (4 out of 4 patents)

11.  Norio Kimura (3 out of 142 patents)

12.  Masayuki Nakahara (3 out of 3 patents)

13.  Zenichi Onuki (3 out of 3 patents)

14.  Satoshi Koyama (3 out of 6 patents)

15.  Aki Ishimaru (3 out of 3 patents)


Core Competencies:
Breast Pump
Pacifier
Nursing Pad
Electric Breast Pump
Manual Breast Pump
Teat
Check-Valve
Negative Pressure Transmitter
Artificial Nipple
Beverage Container
Clinical Thermometer
Teething Ring

57 patents:

Company Overview
Pigeon Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of infant feeding devices. The company is recognized for its innovative products, including breast pumps, pacifiers, nursing pads, and various types of teats. Pigeon focuses on enhancing the feeding experience for infants and their caregivers through advanced technology and design. Its core technology areas encompass electric and manual breast pumps, check-valves, and negative pressure transmitters, contributing to the well-being of families worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Pigeon Corporation USPTO Patent Assignee Logo
57 Patents

#748 in Tokyo

#1,586 in Japan

#12,552 in the World

Tokyo, JP
Tokyo, Japan
Forward Citations = 586

55 inventors:

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

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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