Location History:
- Saitama, JP (1999)
- Ageo, JP (2003)
Company Filing History:
1 out of 13,408 
1 out of 817 
1 out of 832,843 Years Active: 1999-2003
Title: The Innovations of Takeshi Ojiro
Introduction
Takeshi Ojiro is a notable inventor based in Ageo, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced copper alloys. With a total of 2 patents, Ojiro's work focuses on enhancing the performance and durability of engine components.
Latest Patents
Ojiro's latest patents include an abrasion-resistant copper alloy and a copper alloy powder designed for build-up cladding. The first patent describes a valve seat formed by build-up cladding, which involves irradiating a laser beam on a copper alloy powder. This powder consists of copper (Cu), 6-9 wt % nickel (Ni), 1-5 wt % silicon (Si), and 1-5 wt % of elements such as molybdenum (Mo), tungsten (W), tantalum (Ta), niobium (Nb), and vanadium (V). This innovative composition results in a valve seat with minimal microcracks and excellent abrasion resistance. The second patent details an abrasion-resistant copper alloy suitable for the overlaid layer at the valve seat of an engine cylinder head made from aluminum alloy. This alloy contains nickel ranging from 10 to 30% by weight, silicon from 0.5 to 5.0% by weight, and at least one element from a specified group, with the balance being copper and impurities.
Career Highlights
Throughout his career, Ojiro has worked with prominent companies such as Nissan Motor Company Limited and Mitsui Mining & Smelting Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas in practical applications, contributing to advancements in automotive technology.
Collaborations
Ojiro has collaborated with talented individuals in his field, including Ryuji Ninomiya and Makoto Kano. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Takeshi Ojiro's contributions to the field of materials science, particularly in the development of advanced copper alloys, highlight his innovative spirit and dedication to improving engine performance. His patents reflect a commitment to excellence and a desire to push the boundaries of technology.