Jiro Tominaga

Jiro Tominaga is a distinguished inventor based in Hikari, Japan, known for his contributions to the field of metallurgy. He holds a total of 4 patents, showcasing his innovative spirit and expertise in developing advanced materials.

Latest Patents

Among his latest patents is a non-magnetic high hardness austenitic stainless steel. This material is designed for electronic equipment parts, featuring a Vickers hardness number of not less than 400 after cold forming and a magnetic permeability of not more than 1.01. The steel exhibits excellent hot workability and is primarily utilized in components such as shafts and pins of VTRs and VTR cassette tapes. Another significant patent is for a high-tension high-toughness steel that demonstrates exceptional resistance to delayed fracture. This steel composition includes 0.15 to 0.50% of carbon, up to 1.50% of silicon, and various other elements, resulting in a tempered martensitic structure obtained through quenching and tempering.

Career Highlights

Jiro Tominaga has worked with prominent companies in the industry, including Nippon Steel Corporation and Tnk Sanwa Precision Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in steel technology.

Collaborations

Throughout his career, Tominaga has collaborated with notable colleagues such as Mitsuo Honda and Wataru Murata. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Jiro Tominaga's work in high-performance steel has made a lasting impact on the industry. His innovative patents and collaborations highlight his dedication to advancing material science.