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For the Inventor, By the Inventor

Gunma, Japan

Sanden Coporation


USPTO Granted Patents = 2

Forward Citations = 4

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2 inventors (with patents filed for the assignee):

goldMedal Kiyofumi Ito (1 out of 4 patents)

silverMedal Tadashi Miyazawa (1 out of 1 patent)


2 patents:

1. 7438536 - Compressors including a plurality of oil storage chambers which are in fluid communication with each other (2008-10-21),
2. 5024313 - Coin return control system for vending machines (1991-06-18),
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USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#36 in Gunma

#11,133 in Japan

Gunma, JP
Gunma, Japan

Sanden Coporation

Forward Citations = 4

2 inventors:

goldMedal Kiyofumi Ito (1 out of 4 patents)

silverMedal Tadashi Miyazawa (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sanden Coporation. Retrieved from https://idiyas.com/company/sanden-corporation

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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