EPO Patents = 1

Forward Citations = 27

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16 inventors (with patents filed for the assignee):

Toshirou Kisakibaru (3 out of 3 patents)

Makoto Okada (2 out of 10 patents)

Seiichi Takizawa (2 out of 2 patents)

4. Michinori Hashimoto (1 out of 7 patents)

5. Sadao Kobayashi (1 out of 32 patents)

6. Yoshihide Wakayama (1 out of 18 patents)

7. Shigeru Kouchiyama (1 out of 1 patent)

8. Kouta Ueno (1 out of 2 patents)

9. Yasunori Horibe (1 out of 1 patent)

10. Satoki Sugiyama (1 out of 1 patent)

11. Takeshi Yamada (1 out of 1 patent)

12. Keiji Matsuno (1 out of 1 patent)

13. Tsutomu Ishii (1 out of 4 patents)

14. Shozo Ichimura (1 out of 3 patents)

15. Tetsuo Shimamura (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 7850366 - Sheet for shielding soft X-rays in a remover using soft X-rays that removes static charges and a method of manufacturing it (2010-12-14),

2. 7416998 - Air-curtain forming apparatus for wafer hermetic container in semiconductor-fabrication equipment of minienvironment system (2008-08-26),

3. 7335244 - Air-purifying device for a front-opening unified pod (2008-02-26),

4. 6929672 - Filter medium for air filter and process for producing the same (2005-08-16),

5. 5830414 - Air cleaning filter (1998-11-03),

Cambridge Filter Japan, Ltd. is a leading supplier of high-quality filtration products and solutions in Japan. With over 20 years of experience, we offer a wide range of products including air filters, oil filters, and water filters for various industries. Our commitment to quality and customer satisfaction has made us a trusted partner for many businesses in Japan.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

5 Patents

#2,451 in Tokyo

#6,496 in Japan

Tokyo, Japan

Cambridge Filter Japan, Ltd.