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Fuji Electrochemical Co., Ltd.

USPTO Granted Patents = 43

CIPO Patents = 1

Forward Citations = 500

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104 inventors (with patents filed for the assignee):

Michihiro Torii (10 out of 11 patents)

Kenichi Shinoda (6 out of 6 patents)

Kazuhisa Yamazaki (5 out of 6 patents)

4. Kohei Yamamoto (4 out of 4 patents)

5. Isamu Sasaki (4 out of 4 patents)

6. Noboru Kato (4 out of 4 patents)

7. Fumiaki Nakao (3 out of 32 patents)

8. Kazuaki Endo (3 out of 3 patents)

9. Utsuo Kihara (3 out of 3 patents)

10. Takashi Tsuchida (3 out of 3 patents)

11. Junji Konda (2 out of 3 patents)

12. Hiroyuki Sogo (2 out of 8 patents)

13. Hirofumi Nakano (2 out of 4 patents)

14. Yasuyuki Kondo (2 out of 4 patents)

15. Yoshio Matsuo (2 out of 2 patents)

Core Competencies:

Optical Passive Device

Dielectric Filter

Laminated Dielectric Resonator

Magnetic Oxide

Permanent Magnet Composition

Ceramic Filter

Alkaline Battery

Piezoelectric Buzzer

Digital Controlled Brushless Motor

Noise Filter

Magnetic Drum Cassette

Insulating Tape

43 patents: Sort by Forward Citations

1. 5867314 - Structure of optical passive device and assembling method therefor (1999-02-02),

2. 5682674 - Dielectric filter and method of manufacturing the same (1997-11-04),

3. 5621365 - Laminated dielectric resonator and filter (1997-04-15),

4. 5582868 - Process and apparatus for interment coating of a sheet without wrinkling (1996-12-10),

5. 5538656 - Magnetic oxide and process for producing same (1996-07-23),

6. 5523122 - Intermittent coating process and an apparatus therefor with adjustment (1996-06-04),

7. 5512195 - Process for producing single phase magnetite powder (1996-04-30),

8. 5446430 - Folded strip line type dielectric resonator and multilayer dielectric (1995-08-29),

9. 5394011 - Package structure for semiconductor devices and method of manufacturing (1995-02-28),

10. 5376480 - Alkaline battery (1994-12-27),

11. 5371667 - Electric power supply (1994-12-06),

12. 5348816 - Alkaline battery (1994-09-20),

13. 5315431 - Optical isolator (1994-05-24),

14. 5284541 - Insulating tape for winding coils (1994-02-08),

15. 5208565 - Dielectric filer having a decoupling aperture between coaxial resonators (1993-05-04),

Fuji Electrochemical Co., Ltd. is a leading manufacturer of electrochemical products. With a strong commitment to innovation and technology, Fuji Electrochemical has been providing high-quality solutions to various industries for over 50 years. Through extensive research and development, we have achieved remarkable advancements in battery materials, sensors, fuel cells, and other electrochemical applications. Our products are widely recognized for their reliability, performance, and durability. To learn more about our company and explore our range of cutting-edge electrochemical solutions, please visit our website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

43 Patents

#768 in Tokyo

#1,844 in Japan

#15,578 in the World

Fuji Electrochemical Co., Ltd.

Forward Citations = 500

104 inventors:

Michihiro Torii (10 out of 11 patents)

Kenichi Shinoda (6 out of 6 patents)

Kazuhisa Yamazaki (5 out of 6 patents)

4. Kohei Yamamoto (4 out of 4 patents)

5. Isamu Sasaki (4 out of 4 patents)

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