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USPTO Data Jan 1 1976 - Dec 30 2025
156 Patents
#2 in Matsudo
#811 in Japan
#5,127 in the World
Seikoh Giken Co., Ltd.
Forward Citations = 1,609
66 inventors:
Seikoh Giken Co., Ltd.
EPO Patents = 4
Trademarks = 4
Forward Citations = 1,609
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66 inventors (with patents filed for the assignee):
Mitsuo Takahashi (61 out of 65 patents)
Junji Taira (27 out of 43 patents)
Masayuki Jibiki (20 out of 20 patents)
4. Kunio Yamada (17 out of 17 patents)
5. Norimasa Arai (11 out of 11 patents)
6. Naotoshi Shiokawa (11 out of 11 patents)
7. Takehiko Narita (9 out of 9 patents)
8. Yasuyoshi Sakamoto (9 out of 10 patents)
9. Yohei Takaishi (7 out of 7 patents)
10. Yuying Wu (7 out of 7 patents)
11. Kouji Minami (7 out of 46 patents)
12. Tomomi Hirao (6 out of 6 patents)
13. Takahisa Kida (6 out of 6 patents)
14. Katsuyuki Yasuda (6 out of 7 patents)
15. Katsuyuki Hiki (6 out of 6 patents)
Core Competencies:
Optical Fiber Connector
Lens Unit
Optical Voltage Probe
End Face Polishing Device
Optical Connector Adapter
Imaging Module
Electro-Optic Modulator
Ferrule Polishing Method
Optical Fiber Ferrule
Connector Plug
Light Sensor Probe
Resin Molding
156 patents:
SEIKOH GIKEN Co., Ltd. is a global leader in manufacturing and supplying innovative fiber optic solutions. With a presence in over 60 countries, the company specializes in producing precision optical components, connectors, and assembly equipment used in various sectors such as telecommunications, medical, data centers, and aerospace. SEIKOH GIKEN's commitment to quality, reliability, and customer satisfaction has earned them a strong reputation in the industry. For more information about their products and services, please visit their website.
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4 patents (EPO):
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