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For the Inventor, By the Inventor

Tokyo, Japan

Nisshin Steel Co., Ltd.


USPTO Granted Patents = 342



Trademarks = 3

Forward Citations = 1,679

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537 inventors (with patents filed for the assignee):

goldMedal Naoto Hiramatsu (18 out of 18 patents)

silverMedal Takashi Yamauchi (17 out of 18 patents)

bronzeMedal Masaya Yamamoto (16 out of 205 patents)

4.  Hirofumi Taketsu (16 out of 16 patents)

5.  Yoshihiro Uematsu (15 out of 15 patents)

6.  Katsuhisa Miyakusu (15 out of 15 patents)

7.  Kazuo Hoshino (14 out of 14 patents)

8.  Takahiro Fujii (13 out of 54 patents)

9.  Toshiharu Kittaka (13 out of 13 patents)

10.  Masanori Matsuno (11 out of 14 patents)

11.  Naofumi Nakamura (11 out of 53 patents)

12.  Yasushi Fukui (11 out of 13 patents)

13.  Hiroshi Fujimoto (11 out of 11 patents)

14.  Takashi Igawa (11 out of 11 patents)

15.  Shigeaki Maruhashi (11 out of 11 patents)


Core Competencies:
Metal Roofing Material
Hydrogen-Containing Reducing Gas
Hot-Dip Galvanized Steel Plate
Lithium-Ion Battery Case
Laser Cutting and Machining
Vacuum Insulation Panel
Cold-Rolled Steel Plate
High Elastic Limit Nonmagnetic Steel
Austenitic Stainless Steel Sheet
Coated Metal Sheet
Welded Shaped Steel
Surface Defect Inspection

342 patents:

1. 11275004 - Strength test method for metal roofing material, strength test equipment, and virtual strength test program (2022-03-15),
2. 11117178 - Formed material manufacturing method and formed material (2021-09-14),
3. 11072013 - Formed material manufacturing method (2021-07-27),
4. 10961596 - Method for supplying hydrogen-containing reducing gas to shaft part of blast furnace (2021-03-30),
5. 10906113 - Arc welding method for hot-dip galvanized steel plate having excellent appearance of welded part and high welding strength, method for manufacturing welding member, and welding member (2021-02-02),
6. 10903461 - Battery armoring stainless steel foil, and method of producing same (2021-01-26),
7. 10894283 - Molded material production method and molded material (2021-01-19),
8. 10790480 - Lithium-ion secondary-battery case and manufacturing method therefor (2020-09-29),
9. 10786843 - Method of manufacturing molded material, and said molded material (2020-09-29),
10. 10760154 - Hot-dip Al-plated steel sheet and method for producing same (2020-09-01),
11. 10759005 - Laser cutting and machining method for plated steel plate, laser cut-and-machined product, thermal cutting and machining method, thermal cut-and-machined product, surface-treated steel plate, laser cutting method, and laser machining head (2020-09-01),
12. 10751751 - Pretreatment method for coating or printing (2020-08-25),
13. 10737293 - Pretreatment method for coating or printing (2020-08-11),
14. 10724242 - Metal roofing material and roofing method (2020-07-28),
15. 10710196 - Vacuum insulation panel manufacturing method, and vacuum insulation panel (2020-07-14),
Nisshin Steel Co., Ltd. is a renowned Japanese steel manufacturing company. With a rich history dating back over 100 years, Nisshin Steel has established itself as a leading player in the global steel industry. Their expertise lies in the production of high-quality steel products, including sheets, coils, pipes, and automotive steel. The company's commitment to precision, innovation, and sustainability has earned them a strong reputation worldwide. Nisshin Steel continues to drive advancements in steel manufacturing techniques, delivering reliable and durable steel solutions for various industries.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

342 Patents

#214 in Tokyo

#471 in Japan

#2,575 in the World

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Tokyo, Japan

Nisshin Steel Co., Ltd.

Forward Citations = 1,679

537 inventors:

goldMedal Naoto Hiramatsu (18 out of 18 patents)

silverMedal Takashi Yamauchi (17 out of 18 patents)

bronzeMedal Masaya Yamamoto (16 out of 205 patents)

4.  Hirofumi Taketsu (16 out of 16 patents)

5.  Yoshihiro Uematsu (15 out of 15 patents)

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