JFE STEEL CORPORATION Patent Application Trends in 2025
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JFE STEEL CORPORATION Patent Filing Activity
JFE STEEL CORPORATION patent applications in 2025
Top 10 Technology Areas
- C22C38/02 (ALLOYS (flints)
- Count: 106 patents
- Example: 20240227088. TIG WELDED JOINT (JFE STEEL CORPORATION)
- C22C38/04 (ALLOYS (flints)
- Count: 97 patents
- Example: 20240229180. STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME (JFE Steel Corporation)
- C22C38/06 (ALLOYS (flints)
- Count: 90 patents
- Example: 20240227088. TIG WELDED JOINT (JFE STEEL CORPORATION)
- C21D9/46 (MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING (surface treatment of metallic material involving at least one process provided for in class)
- Count: 75 patents
- Example: 20240229180. STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME (JFE Steel Corporation)
- C22C38/001 (Ferrous alloys, e.g. steel alloys (cast-iron alloys)
- Count: 73 patents
- Example: 20240227088. TIG WELDED JOINT (JFE STEEL CORPORATION)
- C22C38/002 (Ferrous alloys, e.g. steel alloys (cast-iron alloys)
- Count: 72 patents
- Example: 20240227088. TIG WELDED JOINT (JFE STEEL CORPORATION)
- C21D6/008 (Heat treatment of ferrous alloys)
- Count: 52 patents
- Example: 20240229180. STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME (JFE Steel Corporation)
- C21D8/0226 (MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING (surface treatment of metallic material involving at least one process provided for in class)
- Count: 50 patents
- Example: 20240229180. STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME (JFE Steel Corporation)
- C21D6/005 (Heat treatment of ferrous alloys)
- Count: 48 patents
- Example: 20240229180. STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME (JFE Steel Corporation)
- C22C38/60 (ALLOYS (flints)
- Count: 47 patents
- Example: 20240229180. STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME (JFE Steel Corporation)
Emerging Technology Areas
- G01N2223/624 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms)
- Count: 1 patents
- Example: 20240044822. METHOD OF EVALUATING CENTRAL SEGREGATION IN STEEL (JFE STEEL CORPORATION)
- G01N2223/418 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms)
- Count: 1 patents
- Example: 20240044822. METHOD OF EVALUATING CENTRAL SEGREGATION IN STEEL (JFE STEEL CORPORATION)
- G01N33/2028 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms)
- Count: 1 patents
- Example: 20240044822. METHOD OF EVALUATING CENTRAL SEGREGATION IN STEEL (JFE STEEL CORPORATION)
- G01N23/2252 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms)
- Count: 1 patents
- Example: 20240044822. METHOD OF EVALUATING CENTRAL SEGREGATION IN STEEL (JFE STEEL CORPORATION)
- G01N23/2251 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms)
- Count: 1 patents
- Example: 20240044822. METHOD OF EVALUATING CENTRAL SEGREGATION IN STEEL (JFE STEEL CORPORATION)
- G01N2203/0282 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms)
- Count: 1 patents
- Example: 20240044760. DELAYED FRACTURE CHARACTERISTIC EVALUATION METHOD AND PROGRAM (JFE STEEL CORPORATION)
- G01N2203/0236 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms)
- Count: 1 patents
- Example: 20240044760. DELAYED FRACTURE CHARACTERISTIC EVALUATION METHOD AND PROGRAM (JFE STEEL CORPORATION)
- G01N2203/0067 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms)
- Count: 1 patents
- Example: 20240044760. DELAYED FRACTURE CHARACTERISTIC EVALUATION METHOD AND PROGRAM (JFE STEEL CORPORATION)
- G01N2203/0064 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms)
- Count: 1 patents
- Example: 20240044760. DELAYED FRACTURE CHARACTERISTIC EVALUATION METHOD AND PROGRAM (JFE STEEL CORPORATION)
- H01F1/20 (in the form of particles, e.g. powder ()
Top Inventors
- Hiroshi MATSUDA (16 patents)
- Katsutoshi TAKASHIMA (12 patents)
- Shinjiro Kaneko (11 patents)
- Tetsuya YAMAMOTO (11 patents)
- Yuki TOJI (10 patents)
- Hidemitsu NEGISHI (9 patents)
- Yuki Toji (9 patents)
- Futoshi OGASAWARA (8 patents)
- Shimpei Yoshioka (8 patents)
- Hiroi YAMAGUCHI (8 patents)
Patent Categories
Geographical Distribution of Inventors
Geographical Distribution of US Inventors
Categories:
- JFE STEEL CORPORATION
- Companies
- CPC B23K35/3073
- CPC B23K9/167
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- CPC C22C38/001
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- CPC C22C38/38
- CPC C21C7/064
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- CPC G01N2291/02827
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- CPC F17C1/005
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- CPC B22D11/115
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- CPC G01N33/2028
- CPC G01N2223/418
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- Patent Trends by Company in 2024
