Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
8 Patents
#140 in
#5,050 in Japan
Osaka Transformer Co., Ltd.
Forward Citations = 204
19 inventors:
Osaka Transformer Co., Ltd.
Calculating rank
Trademarks = 1
Forward Citations = 204
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19 inventors (with patents filed for the assignee):
Toshiyuki Okada (3 out of 7 patents)
Hideyuki Yamamoto (2 out of 4 patents)
Hiroji Okada (2 out of 2 patents)
4. Hiromu Yamagami (2 out of 2 patents)
5. Kousuke Shiramizu (2 out of 2 patents)
6. Takafumi Uratani (1 out of 8 patents)
7. Yoshihiro Hamakawa (1 out of 25 patents)
8. Hiroshi Takai (1 out of 4 patents)
9. Hiroaki Okamoto (1 out of 6 patents)
10. Hiroshi Nakayama (1 out of 1 patent)
11. Tomonori Takemoto (1 out of 1 patent)
12. Michiya Kiyohara (1 out of 1 patent)
13. Waichi Nishikawa (1 out of 1 patent)
14. Moritoshi Nagasaka (1 out of 1 patent)
15. Yoshiro Awano (1 out of 1 patent)
8 patents:
Company Overview
Osaka Transformer Co., Ltd. is a leading manufacturer and supplier of transformers in the industry. With over 50 years of experience, we specialize in designing and producing high-quality transformers for various applications. Our products are known for their reliability, efficiency, and durability. We strive to provide customized solutions to meet the specific needs of our customers. Visit our website to learn more about our products and services.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Osaka Transformer Co., Ltd.. Retrieved from https://idiyas.com/company/osaka-transformer-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]
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]
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]