Twinbird Corporation, based in Tsubame, Japan, specializes in the development and manufacturing of innovative household appliances and energy-efficient technologies. The company is recognized for its advancements in free-piston Stirling engines and reciprocating motion engines, which enhance energy conversion efficiency. Twinbird also produces a range of consumer products, including cyclonic and electric vacuum cleaners, thermoelectric refrigerators, and massaging devices, showcasing its commitment to integrating cutting-edge technology into everyday solutions.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

43 Patents

#2 in Tsubame

#1,886 in Japan

#16,047 in the World

Tsubame, Japan

Twinbird Corporation

Forward Citations = 693

36 inventors:

Kaname Maruyama (12 out of 12 patents)

Kazuya Sone (6 out of 6 patents)

Mineyuki Inoue (6 out of 6 patents)

4. Katsuhiko Yoshida (4 out of 4 patents)

5. Hideto Urasawa (4 out of 4 patents)

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

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]

5 patents (EPO):

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]