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USPTO Data Jan 1 1976 - Oct 20 2026
12 Patents
#425 in Osaka
#3,936 in Japan
#48,209 in the World
Osaka Vacuum, Ltd.
Forward Citations = 43
15 inventors:
Osaka Vacuum, Ltd.
% Expired Patents = 8.3
EPO Patents = 3
Trademarks = 3
Forward Citations = 43
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15 inventors (with patents filed for the assignee):
Tetsuro Ohbayashi (8 out of 8 patents)
Masashi Iguchi (8 out of 8 patents)
Tatsuji Ikegami (6 out of 6 patents)
4. Keiichi Yoshida (5 out of 5 patents)
5. Yukio Yamato (1 out of 1 patent)
6. Tetsuro Obayashi (1 out of 1 patent)
7. Mitsunori Watanabe (1 out of 1 patent)
8. Takeshi Shoji (1 out of 2 patents)
9. Tetsuya Abe (1 out of 24 patents)
10. Hiroshi Sugimoto (1 out of 1 patent)
11. Yoshio Sone (1 out of 1 patent)
12. Seiji Hiroki (1 out of 12 patents)
13. Yoshio Murakami (1 out of 15 patents)
14. Junichi Nakamura (1 out of 1 patent)
15. Tadashi Sawada (1 out of 1 patent)
12 patents:
Company Overview
Osaka Vacuum, Ltd. is a prominent player in the field of vacuum technology, specializing in the development and manufacturing of vacuum systems and related equipment. The company focuses on providing innovative solutions for various industries, including semiconductor, electronics, and materials processing. With a strong emphasis on research and development, Osaka Vacuum aims to enhance efficiency and performance in vacuum applications, contributing to advancements in technology and manufacturing processes across its operational regions.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Osaka Vacuum, Ltd.. Retrieved from https://idiyas.com/company/osaka-vacuum
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]
3 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]