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For the Inventor, By the Inventor

Shizuoka, Japan

Nippon Electrode Company, Ltd.


USPTO Granted Patents = 12


Forward Citations = 19

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20 inventors (with patents filed for the assignee):

goldMedal Shinjiro Toda (9 out of 9 patents)

silverMedal Hironaga Suzuki (8 out of 8 patents)

bronzeMedal Yuichi Kaba (8 out of 8 patents)

4.  Fusataka Isobe (7 out of 7 patents)

5.  Takayuki Yatsu (7 out of 7 patents)

6.  Satoshi Mitamura (7 out of 7 patents)

7.  Masayoshi Sakurai (7 out of 7 patents)

8.  Tsutomu Wakasa (4 out of 4 patents)

9.  Michio Nitta (2 out of 7 patents)

10.  Yoshiyuki Yamagami (2 out of 2 patents)

11.  Hitoshi Nakamura (2 out of 3 patents)

12.  Hiroyuki Inoue (1 out of 125 patents)

13.  Taijiro Matsui (1 out of 5 patents)

14.  Toru Mochida (1 out of 1 patent)

15.  Yuji Yamamura (1 out of 1 patent)


12 patents:

1. D1084286 - Heat-resistant tube for vertical heat treatment equipment (2025-07-15),
2. D1084256 - Heat-resistant tube for vertical heat treatment equipment (2025-07-15),
3. D1080853 - Heat-resistant tube for vertical heat treatment equipment (2025-06-24),
4. D1080852 - Heat-resistant tube for vertical heat treatment equipment (2025-06-24),
5. D1079931 - Heat-resistant tube for vertical heat treatment equipment (2025-06-17),
6. D1079908 - Heat-resistant tube for vertical heat treatment equipment (2025-06-17),
7. D1071138 - Heat-resistant tube for vertical heat treatment equipment (2025-04-14),
8. 10967348 - Heat treatment apparatus for carbonaceous grains and method therefor (2021-04-06),
9. 8889062 - Carbonaceous refractory and method of production of same and also blast furnace bottom or side walls (2014-11-18),
10. 7300560 - Cathode block for aluminum refining and method for production thereof (2007-11-27),
11. 6875716 - Carbonaceous refractory and method for preparing the same (2005-04-05),
12. 5576254 - Carbon refractory for blast furnace and method for manufacturing such (1996-11-19),
Company Overview
Nippon Electrode Company, Ltd., based in Shizuoka, Japan, specializes in the development and manufacturing of high-quality electrodes and related materials. The company focuses on providing innovative solutions for various industries, including electronics, automotive, and manufacturing. With a commitment to research and development, Nippon Electrode aims to advance technology in electrode applications, ensuring efficiency and reliability in performance across its product offerings. The company is recognized for its expertise in materials science and engineering.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#52 in Shizuoka

#3,935 in Japan

#48,163 in the World

Shizuoka, JP
Shizuoka, Japan

Nippon Electrode Company, Ltd.

Forward Citations = 19

20 inventors:

goldMedal Shinjiro Toda (9 out of 9 patents)

silverMedal Hironaga Suzuki (8 out of 8 patents)

bronzeMedal Yuichi Kaba (8 out of 8 patents)

4.  Fusataka Isobe (7 out of 7 patents)

5.  Takayuki Yatsu (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Electrode Company, Ltd.. Retrieved from https://idiyas.com/company/nippon-electrode-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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