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USPTO Data Jan 1 1976 - Oct 6 2026
40 Patents
#70 in Kanagawa
#1,978 in Japan
#17,048 in the World
Yamashin-Filter Corp.
Forward Citations = 30
24 inventors:
Yamashin-Filter Corp.
% Expired Patents = 7.5
EPO Patents = 28
Trademarks = 7
Forward Citations = 30
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24 inventors (with patents filed for the assignee):
Nobuyuki Kitajima (19 out of 19 patents)
Mitsunobu Okamoto (9 out of 9 patents)
Nobuki Sasaki (8 out of 8 patents)
4. Makoto Ishizuka (7 out of 7 patents)
5. Mitsuhiro Yamaguchi (4 out of 5 patents)
6. Masanori Wakabayashi (4 out of 4 patents)
7. Meiho Taku (4 out of 4 patents)
8. Tatsuhiro Oshita (4 out of 4 patents)
9. Youichi Nodomi (3 out of 3 patents)
10. Hideo Nakaoka (3 out of 3 patents)
11. Akiyoshi Komine (3 out of 3 patents)
12. Takazumi Tange (2 out of 2 patents)
13. Yoshinori Tsurusaki (2 out of 2 patents)
14. Jiro Inoue (2 out of 2 patents)
15. Shinya Hirose (2 out of 2 patents)
Core Competencies:
Filter Device
Filtration Device
Differential Pressure Detection
Measurement Unit
Suction Strainer
Filter Element
Tank Device
Fine Fiber Producing
Return Filter
Work Vehicle
Strainer
Liquid Filtration
40 patents:
Yamashin-Filter Corp., based in Kanagawa, Japan, specializes in the development and manufacturing of advanced filtration devices and systems. The company focuses on innovative solutions for differential pressure detection, filter life prediction, and measurement units, catering to various industrial applications. With a commitment to enhancing filtration efficiency and reliability, Yamashin-Filter plays a crucial role in providing high-quality filter elements and suction strainers, contributing to improved operational performance across multiple sectors.
Profile summary based on public USPTO records.
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Please report any incorrect information to [email protected]
28 patents (EPO):
Please report any incorrect information to [email protected]