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USPTO Data Jan 1 1976 - Dec 30 2025
7 Patents
#2,034 in Tokyo
#5,311 in Japan
Hakusan Corporation
Forward Citations = 4
17 inventors:
Hakusan Corporation
CIPO Patents = 1
EPO Patents = 3
Trademarks = 6
Forward Citations = 4
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17 inventors (with patents filed for the assignee):
Minoru Yoshida (1 out of 131 patents)
Li-Yun Chen (1 out of 4 patents)
Shigeo Hirose (1 out of 17 patents)
4. Kazumasa Tsukada (1 out of 2 patents)
5. Shigeyuki Tsurumi (1 out of 1 patent)
6. Kazumasa Yasuda (1 out of 1 patent)
7. Takeshi Sotome (1 out of 1 patent)
8. Mikio Koyano (1 out of 3 patents)
9. Takeshi Toyoda (1 out of 1 patent)
10. Akinari Matoba (1 out of 1 patent)
11. Toshiharu Minamikawa (1 out of 1 patent)
12. Masaaki Iwamoto (1 out of 1 patent)
13. Seiji Hocchi (1 out of 1 patent)
14. Kazuyuki Shiomi (1 out of 1 patent)
15. Shohei Ueno (1 out of 1 patent)
7 patents:
Hakusan Corporation is a leading global provider of innovative solutions focusing on precision components for various industries. With over 50 years of experience, Hakusan specializes in manufacturing high-quality products including optical lenses, cameras, and medical devices. The company is committed to delivering cutting-edge technology and excellent customer service to meet the diverse needs of its clients.
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1 patent (CIPO):
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3 patents (EPO):
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