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For the Inventor, By the Inventor

Okayama, Japan

Shinji Kojima

This inventor holds 9 USPTO granted patents. Top assignees: Kawasaki Steel Corporation, Asea Ab. Active years: 1986-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinji Kojima. Retrieved from https://idiyas.com/inventor/shinji-kojima-573yubfu

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 29(Granted Patents)


Location History:

  • Okayama, JP (1986 - 1991)
  • Kurashiki, JP (1986 - 1994)

Company Filing History:

goldMedal9 out of 1,256 
 
Kawasaki Steel Corporation
 patents
silverMedal1 out of 80 
 
Asea Ab
 patents
where one patent can have more than one assignee

Years Active: 1986-1994

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9 patents (USPTO):Explore Patents
1. 5282374 - Continuous forging apparatus for cast strand (1994-02-01),
2. 5011531 - Method and apparatus for degassing molten metal utilizing RH method (1991-04-30),
3. 4930207 - Method and apparatus for continuous compression forging of continuously (1990-06-05),
4. 4924585 - Method and apparatus for continuous compression forging of continuously (1990-05-15),
5. 4746103 - Lance for blow-refinement in converter (1988-05-24),
6. 4706735 - Continuous caster including an electromagnetic stirring apparatus (1987-11-17),
7. 4649985 - Method of electromagnetic stirring a molten steel in a mold for a (1987-03-17),
8. 4615373 - Method and an apparatus for manufacturing a hollow steel ingot (1986-10-07),
9. 4565238 - Method of stirring molten steel in a continuously casting mold and an (1986-01-21),

Title: The Innovations of Shinji Kojima

Introduction

Shinji Kojima is a prominent inventor based in Okayama, Japan. He has made significant contributions to the field of metallurgy and metal processing, holding a total of nine patents. His work focuses on improving methods and apparatuses for handling molten metal, showcasing his expertise and innovative spirit.

Latest Patents

Among his latest patents, Kojima has developed a continuous forging apparatus for cast strands. Additionally, he has created a method and apparatus for degassing molten metal utilizing the RH method. This innovative approach involves blowing gas into molten metal to form a uniformly distributed bubble over the path area defined by an induction pipe. To achieve this, discharge nozzles are separated into at least two groups, allowing for independent control of gas pressures. This design ensures that gas blown through one group of nozzles forms bubbles at the central portion of the induction pipe, while the other group adjusts the pressure for bubble formation near the periphery.

Career Highlights

Kojima has had a notable career, working with esteemed companies such as Kawasaki Steel Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in metal processing technologies.

Collaborations

Throughout his career, Kojima has collaborated with talented individuals, including Hisakazu Mizota and Toshitane Matsukawa. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Shinji Kojima's contributions to the field of metallurgy through his patents and collaborations highlight his role as a significant inventor. His innovative methods for handling molten metal continue to influence the industry and pave the way for future advancements.

Profile summary based on public USPTO records.
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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