Location History:
- Saitama, JP (1989 - 2000)
- Wako, JP (1999 - 2000)
Company Filing History:
5 out of 10,092 
3 out of 102 
1 out of 3,542 Years Active: 1989-2000
Title: The Innovative Contributions of Takashi Otowa in the Field of Steel Wire Technology
Introduction
Takashi Otowa, a notable inventor based in Wako, Japan, has made significant strides in the realm of steel wire technology. With a total of five patents to his name, his work focuses primarily on the development of high-strength materials suitable for various industrial applications.
Latest Patents
One of Takashi Otowa's most recent innovations is a patent for a high-strength oil-tempered steel wire with excellent spring fabrication properties. This steel wire, crafted from low-alloy spring steel, features a decarburized layer that reduces hardness to a depth of up to 200 micrometers from its surface. The wire has a surface hardness ranging from 420 to 50 below the hardness of its interior, while the interior maintains a hardness of at least 550 Hv. The unique composition includes 0.45-0.80% C, 1.2-2.5% Si, 0.5-1.5% Mn, and 0.5-2.0% Cr, with iron as the remaining component. Additionally, his patent for a manufacturing method of a valve spring emphasizes durability through nitriding treatment and a meticulous shot peening process that employs cut wires of varying hardness.
Career Highlights
Throughout his career, Otowa has contributed his expertise to reputable companies, including Honda Giken Kogyo Kabushiki Kaisha and Chuo Hatsujo Kabushiki Kaisha. His innovative spirit has not only advanced the materials he works with but has also fostered new manufacturing processes that enhance product durability and performance.
Collaborations
Takashi Otowa has worked alongside notable colleagues in the field, such as Taisuke Nishimura and Hiroshi Yarita. Their collaborative efforts have played a significant role in driving innovation within their projects, leading to meaningful advancements in the technology of steel wires.
Conclusion
In summary, Takashi Otowa stands out as a prominent inventor whose contributions to steel wire technology are marked by innovative patents and significant collaborations. His work continues to influence the industry, showcasing the importance of research and development in creating high-performance materials.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.