Taiyo Asakawa

Title: Taiyo Asakawa - Innovator in Steel Sheet Technology

Introduction

Taiyo Asakawa is an inventor based in Chiyoda-ku, Tokyo, Japan. He is known for his innovative work in the field of steel sheet technology. Although he currently holds no granted patents, his contributions to the industry are noteworthy.

Latest Patent Applications

Asakawa's latest patent applications include a galvanized steel sheet that features an arithmetic average roughness Ra of a surface ranging from 0.5 μm to 2.5 μm. This steel sheet has concave and convex portions on its surface, with flattened areas in the convex portions. The application specifies that the number of valleys between the convex portions, which have a valley width of 0.1 mm or more and a maximum depth of 2.0 μm or more, is between 50 and less than 100 per 25 mm on a straight line. Additionally, in the flattened portions of the convex areas, the number of concave and convex portions with a height difference of 0.3 μm or more is less than 20 per 2.5 mm on a straight line. Another application details a steel sheet that contains specific mass percentages of various elements, including carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen, boron, and at least one of niobium or titanium. The microstructure of this steel sheet is characterized by a martensite area fraction of 95 to 100%, with prior γ grains having a diameter of less than 11.0 μm.

Conclusion

Taiyo Asakawa is an emerging inventor whose latest patent applications reflect significant advancements in steel sheet technology. His innovative approaches may lead to future developments in the industry.