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For the Inventor, By the Inventor

Nakama, Japan

Koe Nakajima

USPTO Granted Patents = 14

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 125(Granted Patents)


Location History:

  • Kitakyushu, JA (1978)
  • Nakama, JA (1978)
  • Nakama, JP (1978 - 1983)
  • Fukuoka, JP (1985)
  • Kitakyushu, JP (1978 - 1987)

Company Filing History:

goldMedal14 out of 3,554 
 
Nippon Steel Corporation
 patents

Years Active: 1978-1987

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14 patents (USPTO):Explore Patents
1. 4678522 - Cold rolled steel sheet having excellent press formability and method (1987-07-07),
2. 4627881 - Cold rolled steel sheet having excellent press formability and method (1986-12-09),
3. 4528834 - Reduced energy consumption method for rolling bars or wire rods (1985-07-16),
4. 4466842 - Ferritic steel having ultra-fine grains and a method for producing the (1984-08-21),
5. 4407056 - Method and apparatus for manufacturing metal sections (1983-10-04),
6. 4382375 - Method of rolling metal strip (1983-05-10),
7. 4378685 - Method of setting axial position of loosely carried sleeve in a rolling (1983-04-05),
8. 4299109 - Rolling mill with loosely sleeved roll (1981-11-10),
9. 4202192 - Apparatus for controlling the position of roll in the direction of the (1980-05-13),
10. 4148426 - Method and apparatus for manufacturing metal pipe (1979-04-10),
11. 4122696 - Method and apparatus for manufacturing metallic pipe (1978-10-31),
12. 4111025 - Straightening mill for section steel (1978-09-05),
13. 4092178 - Process for producing a steel having excellent strength and toughness (1978-05-30),
14. 4086801 - H-shape metallic material rolling process (1978-05-02),

Title: Koe Nakajima: Innovating Cold Rolled Steel Technology

Introduction

Koe Nakajima, a prominent inventor from Nakama, Japan, has made significant contributions to the field of metallurgy with his innovative advancements in cold rolled steel technology. With a total of 14 patents to his name, his work focuses on improving the properties and manufacturability of steel products.

Latest Patents

Koe Nakajima's latest patents showcase his expertise in producing cold rolled steel sheets that exhibit excellent press formability and workability. One notable patent describes a process for manufacturing a cold rolled boron steel sheet with exceptional stretchability, deep drawability, and secondary workability. This method involves steps such as hot rolling a steel blend containing a maximum of 0.05% carbon and controlling phosphorus and nitrogen levels. Specifically, the process includes hot rolling at temperatures exceeding 850°C, cold rolling with a reduction of at least 50%, followed by continuous annealing within optimal temperature ranges. Another patent details a similar process for an Al-killed steel variant, emphasizing precision in managing nitrogen and phosphorus ratios.

Career Highlights

Koe Nakajima has built an impressive career at Nippon Steel Corporation, where he continues to drive innovations in steel production. His research and inventions cater to the demands of modern manufacturing requiring high-performance materials that can withstand rigorous applications.

Collaborations

Throughout his career, Nakajima has collaborated with several colleagues, including Toshio Kikuma and Wataru Midzutani. These partnerships have fostered an environment of innovation, as they work together to explore new techniques and enhancements in steel processing.

Conclusion

Koe Nakajima stands out as a key figure in advancing steel technology through his innovative patents and collaborative efforts at Nippon Steel Corporation. His work significantly impacts the manufacturing industry, offering advanced materials that enhance product performance and meet the evolving needs of various sectors.

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