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Kanagawa, Japan

Permelec Electrode Ltd.

USPTO Granted Patents = 150

% Expired Patents = 8.0

EPO Patents = 18

Trademarks = 1

Forward Citations = 1,616

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100 inventors (with patents filed for the assignee):

Takayuki Shimamune (92 out of 105 patents)

Yoshinori Nishiki (67 out of 86 patents)

Yasuo Nakajima (23 out of 61 patents)

4. Masashi Hosonuma (22 out of 23 patents)

5. Masashi Tanaka (20 out of 86 patents)

6. Tsuneto Furuta (18 out of 20 patents)

7. Masaharu Uno (18 out of 21 patents)

8. Shuji Nakamatsu (17 out of 18 patents)

9. Hiroshi Asano (17 out of 17 patents)

10. Shuhei Wakita (14 out of 15 patents)

11. Isao Sawamoto (14 out of 14 patents)

12. Yukiei Matsumoto (13 out of 13 patents)

13. Takahiro Ashida (12 out of 12 patents)

14. Kazuhiro Hirao (10 out of 10 patents)

15. Setsuro Ogata (9 out of 11 patents)

Core Competencies:

Electrolysis

Gas Diffusion Electrode

Hydrogen Generation

Chlor-Alkali Process

Electrochemical Reaction

Ozone Generator

Electrode Manufacturing

Activated Cathode

Electrolytic Cell

Electrode Catalyst

Peroxo-Carbonate Production

Conductive Diamond Electrode

150 patents: Sort by Forward Citations

1. 10253422 - Continuous electrolysis method with electrolytic bath for polysulfide production and electrolysis device for implementing the same (2019-04-09),

2. 9951432 - Continuous electrolysis method with electrolytic bath for polysulfide production and electrolysis device for implementing the same (2018-04-24),

3. 9175410 - Oxygen gas diffusion cathode, electrolytic cell employing same, method of producing chlorine gas and method of producing sodium hydroxide (2015-11-03),

4. 9145642 - Cooking process of lignocellulose material (2015-09-29),

5. 9133556 - Activated cathode for hydrogen evolution (2015-09-15),

6. 8815064 - Ozone generator (2014-08-26),

7. 8617377 - Method for a metal electrowinning (2013-12-31),

8. 8394245 - Production apparatus for electro-deposited metal foil, production method of thin plate insoluble metal electrode used in production apparatus for electro-deposited metal foil, and electro-deposited metal foil produced by using production apparatus for electro-deposited metal foil (2013-03-12),

9. 8366889 - Anode for electrolysis and manufacturing method thereof (2013-02-05),

10. 8349164 - Conductive diamond electrode structure and method for electrolytic synthesis of fluorine-containing material (2013-01-08),

11. 8338323 - Electrode for electrochemical reaction and production process thereof (2012-12-25),

12. 8337958 - Manufacturing process of electrodes for electrolysis (2012-12-25),

13. 8070924 - Electrode for generation of hydrogen (2011-12-06),

14. 7964068 - Membrane-electrode assembly, electrolytic unit using the same, electrolytic water ejecting apparatus, and method of sterilization (2011-06-21),

15. 7959774 - Cathode for hydrogen generation (2011-06-14),

Permelec Electrode Ltd. is a leading manufacturer and exporter of high-quality electrodes for electrolytic processes. With over 30 years of experience, we specialize in the production of dimensionally stable anodes (DSA) used in various industries like chlor-alkali, metal finishing, water treatment, and electrochlorination. We take pride in delivering innovative and customized solutions to meet our customers' specific requirements. Our commitment to quality, efficiency, and sustainability has made us a trusted partner for clients worldwide.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

150 Patents

#26 in Kanagawa

#855 in Japan

#5,429 in the World

Kanagawa, Japan

Permelec Electrode Ltd.

Forward Citations = 1,616

100 inventors:

Takayuki Shimamune (92 out of 105 patents)

Yoshinori Nishiki (67 out of 86 patents)

Yasuo Nakajima (23 out of 61 patents)

4. Masashi Hosonuma (22 out of 23 patents)

5. Masashi Tanaka (20 out of 86 patents)

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