Noriko Morioka

Title: Noriko Morioka: Innovator in Gear Technology

Introduction

Noriko Morioka is a prominent inventor based in Hirakata, Japan. She has made significant contributions to the field of gear technology, particularly in the development of rolling elements used in high-pressure applications. With a total of 2 patents, her work has garnered attention for its innovative approach and practical applications.

Latest Patents

Morioka's latest patents include a "Case hardened gear and method of producing the same." This invention provides an inexpensive rolling element designed for use under high interface pressure, such as in induction hardened gears. The rolling element is engineered to improve the seizure resistance of its tooth flanks, achieving a temper hardness of HRC 50 or more at 300°C. The material used for this rolling element contains at least 0.45 to 1.5 wt % carbon and one or more alloy elements, including vanadium and chromium. Additionally, the rolling contact surface layer features a structure tempered at low temperature, with cementite dispersed in a martensite parent phase.

Another patent, titled "Rolling element and method of producing the same," shares similar innovations. It focuses on enhancing the performance of rolling elements under high interface pressure, ensuring durability and efficiency in demanding applications.

Career Highlights

Morioka is currently employed at Komatsu Corporation, where she continues to push the boundaries of gear technology. Her work has not only contributed to the company's advancements but has also set new standards in the industry.

Collaborations

Throughout her career, Morioka has collaborated with notable colleagues, including Takemori Takayama and Masanari Furumoto. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Noriko Morioka's contributions to gear technology exemplify her dedication to innovation and excellence. Her patents reflect a deep understanding of material science and engineering, making her a valuable asset in her field. Her work continues to influence the industry and inspire future advancements.