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Chichibu-Gun, Saitama, Japan

Chichibu Fuji Co., Ltd.

USPTO Granted Patents = 12

EPO Patents = 7

Forward Citations = 70

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28 inventors (with patents filed for the assignee):

Nobuaki Kishi (5 out of 5 patents)

Noriyoshi Machida (4 out of 6 patents)

Yoshihiro Takano (3 out of 3 patents)

4. Tatsuya Nakamura (3 out of 6 patents)

5. Noriaki Tsutsui (3 out of 3 patents)

6. Masaki Katagiri (3 out of 23 patents)

7. Eijirou Shimoyama (2 out of 2 patents)

8. Norio Kobayashi (2 out of 2 patents)

9. Junji Ishida (2 out of 2 patents)

10. Masanori Takagishi (2 out of 2 patents)

11. Ichiro Matsuo (2 out of 2 patents)

12. Atsushi Sakaue (1 out of 1 patent)

13. Shinichi Sato (1 out of 16 patents)

14. Eijiro Shimoyama (1 out of 2 patents)

15. Atsushi Birumachi (1 out of 2 patents)

12 patents: Sort by Forward Citations

1. 10068729 - Switch device (2018-09-04),

2. 9786453 - Rotational operation type switch (2017-10-10),

3. 9653235 - Switch device (2017-05-16),

4. 9268045 - Neutron detector (2016-02-23),

5. 8993973 - Pixel-type two-dimensional image detector (2015-03-31),

6. 8853579 - Bearing mechanism for compact rotary member (2014-10-07),

7. 8822943 - Neutron detector and neutron image detector with scintillator (2014-09-02),

8. 5939891 - Socket for IC package (1999-08-17),

9. 5431579 - Socket for IC package (1995-07-11),

10. 5387118 - Socket for IC package (1995-02-07),

11. 5326271 - IC socket (1994-07-05),

12. 5244404 - IC socket (1993-09-14),

Chichibu Fuji Co., Ltd. is a leading manufacturer of high-quality stainless steel products in Japan. With over 50 years of experience in the industry, the company specializes in producing a wide range of products including kitchenware, tableware, and industrial equipment. Chichibu Fuji is known for its commitment to innovation and excellence, and is dedicated to providing customers with the best stainless steel products on the market.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

12 Patents

#1 in Chichibu-Gun, Saitama

#3,833 in Japan

#46,665 in the World

Chichibu-Gun, Saitama, Japan

Chichibu Fuji Co., Ltd.

Forward Citations = 70

28 inventors:

Nobuaki Kishi (5 out of 5 patents)

Noriyoshi Machida (4 out of 6 patents)

Yoshihiro Takano (3 out of 3 patents)

4. Tatsuya Nakamura (3 out of 6 patents)

5. Noriaki Tsutsui (3 out of 3 patents)

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