Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
4 Patents
#3,058 in Tokyo
#7,590 in Japan
Yamagiwa Corporation
Forward Citations = 108
7 inventors:
Yamagiwa Corporation
Calculating rank
Trademarks = 2
Forward Citations = 108
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7 inventors (with patents filed for the assignee):
Ross Lovegrove (3 out of 38 patents)
Nobuhiro Enaka (1 out of 2 patents)
Yoshiro Hashimoto (1 out of 1 patent)
4. Shinichi Imabeppu (1 out of 1 patent)
5. Mitsuyoshi Terada (1 out of 1 patent)
6. Kuninori Kobayashi (1 out of 1 patent)
7. Akira Shimamura (1 out of 1 patent)
4 patents:
Company Overview
Yamagiwa Corporation is a leading Japanese manufacturer of high-quality lighting fixtures and furniture. With a history dating back to 1923, Yamagiwa has earned a reputation for innovative design and craftsmanship. The company's products are known for their sleek and modern aesthetic, making them a popular choice for both residential and commercial spaces. Yamagiwa's commitment to quality and innovation has made them a trusted name in the industry.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamagiwa Corporation. Retrieved from https://idiyas.com/company/yamagiwa
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]