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Nihon Parkerizing Co., Ltd.

USPTO Granted Patents = 128

CIPO Patents = 5

EPO Patents = 43

Trademarks = 5

Forward Citations = 801

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316 inventors (with patents filed for the assignee):

Kazuhiko Mori (9 out of 32 patents)

Takao Ogino (8 out of 38 patents)

Hideaki Kaneko (7 out of 17 patents)

4. Ryosuke Sako (7 out of 7 patents)

5. Masahiro Yamamoto (6 out of 45 patents)

6. Ryoji Morita (6 out of 11 patents)

7. Hiroshi Okita (6 out of 6 patents)

8. Toshi Miyawaki (6 out of 8 patents)

9. Arata Suda (5 out of 7 patents)

10. Masaaki Beppu (5 out of 6 patents)

11. Shigeo Tanaka (4 out of 89 patents)

12. Tomohiro Iko (4 out of 4 patents)

13. Junichi Uchida (4 out of 9 patents)

14. Hidehiro Yamaguchi (4 out of 5 patents)

15. Takaomi Nakayama (4 out of 4 patents)

Core Competencies:

Inorganic Salt-Protein Composite

Surgical Electrode Coating

Surface Treatment Agent

Metal Surface Treatment

Thermoelectric Conversion Module

Hydrophilization Treatment

Electrostatic Powder Coating

Aqueous Lubricating Coating

Aluminum Alloy Surface Treatment

Nitriding Process

Chemical Conversion Coating

Powder Coating Apparatus

128 patents: Sort by Forward Citations

1. 12178939 - Inorganic salt-protein composite medical instrument (2024-12-31),

2. 12137962 - Surgical electrode having surface treatment coating (2024-11-12),

3. 12018175 - Surface treatment agent for metal materials, metal material coated with surface treatment film, and method for producing same (2024-06-25),

4. 11965247 - Pretreatment agent and chemical conversion treatment agent (2024-04-23),

5. 11927225 - Sliding spline shaft device (2024-03-12),

6. 11725287 - Method for manufacturing a magnesium material or magnesium alloy material with a coating (2023-08-15),

7. 11637230 - Thermoelectric conversion element and thermoelectric conversion module having same (2023-04-25),

8. 11603592 - Metallic material surface treatment agent, metallic material having surface treatment coating, and manufacturing method therefor (2023-03-14),

9. 11377568 - Metal surface treatment agent, metal surface treatment method, and metal material (2022-07-05),

10. 11359288 - Chemical conversion treatment agent, method for producing chemical conversion coating, metal material having chemical conversion coating, and painted metal material (2022-06-14),

11. 11332818 - Method for producing surface-hardened material (2022-05-17),

12. 11174396 - Electrostatic powder coating material, coated article having coating film, and method for producing same (2021-11-16),

13. 10854396 - Packaging material for electrochemical cells (2020-12-01),

14. 10800933 - Surface treatment solution for plated steel sheet to be hot-pressed (2020-10-13),

15. 10760029 - Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material (2020-09-01),

Nihon Parkerizing Co., Ltd. is a leading global provider of surface treatment solutions. With a rich history dating back to 1928, the company specializes in metal surface finishing technologies. Nihon Parkerizing offers a wide range of products and services including rust prevention coatings, phosphate treatments, black oxide coatings, and metal cleaning solutions. Their innovative and environmentally friendly solutions cater to various industries such as automotive, construction, electronics, and more. Committed to quality and customer satisfaction, Nihon Parkerizing is dedicated to enhancing the durability, aesthetics, and functionality of metal surfaces.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

128 Patents

#414 in Tokyo

#937 in Japan

#6,093 in the World

Nihon Parkerizing Co., Ltd.

Forward Citations = 801

316 inventors:

Kazuhiko Mori (9 out of 32 patents)

Takao Ogino (8 out of 38 patents)

Hideaki Kaneko (7 out of 17 patents)

4. Ryosuke Sako (7 out of 7 patents)

5. Masahiro Yamamoto (6 out of 45 patents)

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