Location History:
- Mie, JP (2015 - 2019)
- Yokkaichi, JP (2011 - 2023)
Company Filing History:
22 out of 2,107 
22 out of 6,171 
22 out of 10,264 
Years Active: 2011-2025
Title: Innovations by Takuji Otsuka: A Glimpse into His Patented Creations
Introduction
Takuji Otsuka, based in Yokkaichi, Japan, is a notable inventor with an impressive portfolio of 20 patents. His work primarily focuses on advanced materials and innovative manufacturing methods, particularly in metal structures and compositions with unique properties.
Latest Patents
Among his latest contributions are two significant patents. The first details a **metal member-welded structure and method of manufacturing** it. This invention consists of a copper (Cu) member and an aluminum (Al) member, which merge through a sophisticated welded portion. This structure leverages a sea-island architecture that optimizes the interaction between the Cu and Al materials.
The second patent focuses on a **composition having an oil film retention function**, alongside an anticorrosive agent and insulated terminated electric wire. This unique composition enables stable retention of oil films on various metal surfaces and is formulated with specific chemical compounds that enhance durability and corrosion resistance.
Career Highlights
Takuji Otsuka has made substantial strides in his career, having contributed to well-respected companies, such as Autonetworks Technologies Limited and Sumitomo Wiring Systems Limited. His expertise in material sciences and engineering has positioned him as a significant player in developing innovative solutions within these organizations.
Collaborations
Throughout his career, Otsuka has had the privilege of collaborating with talented coworkers, including Junichi Ono and Hiroki Hirai. These collaborations have likely played a crucial role in the advancement of their projects and the successful execution of innovative ideas.
Conclusion
Takuji Otsuka's inventive spirit is evident through his numerous patents and contributions to technology. His work continues to influence the fields of material sciences and engineering, paving the way for future innovations. As he progresses in his career, it will be exciting to see what new advancements he will bring to the world of inventions.