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USPTO Data Jan 1 1976 - Oct 6 2026
333 Patents
#256 in Tokyo
#503 in Japan
#2,712 in the World
Tdk Electronics Company, Limited
Forward Citations = 3,787
284 inventors:
Tdk Electronics Company, Limited
Trademarks = 2
Forward Citations = 3,787
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284 inventors (with patents filed for the assignee):
Haruo Shiba (31 out of 139 patents)
Keiichi Yoshizawa (19 out of 35 patents)
Masatoshi Okamura (17 out of 91 patents)
4. Hitoshi Azegami (16 out of 24 patents)
5. Shinji Umeki (15 out of 15 patents)
6. Akihiko Hosaka (14 out of 29 patents)
7. Shinobu Fujiwara (13 out of 17 patents)
8. Yasumichi Tokuoka (12 out of 27 patents)
9. Eiji Horigome (11 out of 13 patents)
10. Kiyotaka Okuyama (11 out of 18 patents)
11. Yuichi Kubota (11 out of 58 patents)
12. Toshihiko Ishida (10 out of 25 patents)
13. Hitoshi Tanaka (10 out of 10 patents)
14. Seitoku Saito (10 out of 10 patents)
15. Kazumasa Fukuda (9 out of 56 patents)
Core Competencies:
Magnetic Recording Medium
Piezo-Electric Transducer
PTC Heating Apparatus
Magnetic Tape Cassette
Optical Recording System
Ferrite Core
Magnetic Toner
High Density Magnetic Recording
Inductance Device
Magnetic Carrier Powder
Light Recording Medium
Liquid Nebulizer
333 patents:
TDK Electronics Company, Limited, headquartered in Tokyo, Japan, is a leader in the development and manufacturing of magnetic recording media and related technologies. The company specializes in a diverse range of products including magnetic recording mediums, piezo-electric transducers, and PTC heating apparatuses. TDK's innovations extend to magnetic tape cassettes, optical recording systems, ferrite cores, and magnetic toners, positioning it at the forefront of high-density magnetic recording solutions in the electronics industry.
Profile summary based on public USPTO records.
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