Location History:
- Aichi, JP (2008)
- Toyokawa, JP (2007 - 2020)
Company Filing History:
5 out of 130 
2 out of 27,375 
1 out of 5 Years Active: 2007-2020
Title: The Innovative Mind of Tamotsu Nagai
Introduction: Tamotsu Nagai, an esteemed inventor based in Toyokawa, Japan, holds a remarkable five patents under his name. His contributions to the field of cutting tools and grinding apparatus reflect a deep understanding of engineering principles along with a commitment to enhancing processing efficiency in manufacturing.
Latest Patents: One of Nagai's notable inventions is the replaceable-tip cutting tool main body. This innovation features a cylindrical portion composed of a first metal material, designed to include a female thread portion on its inner circumference. This enables the main body to be securely fastened to a cutting head. The ingeniously designed female thread portion consists of both a first and a second female thread, each made from distinct materials to optimize performance.
Another significant patent is the neck portion grinding apparatus. This design aims to enhance processing accuracy while reducing the man-hours required for manufacturing tasks. The apparatus employs a grinding device with a rotating disc-like grinding wheel, paired with advanced numerical control to achieve precise shape modifications of the rotating tools.
Career Highlights: Throughout his career, Nagai has made significant strides in the manufacturing sector, particularly through his associations with reputable companies. Notably, he worked with OSG Corporation, renowned for its cutting tool expertise, and Matsushita Electric Industrial Co., Ltd., which is recognized for its innovation in electrical appliances and components.
Collaborations: Tamotsu Nagai has collaborated with talented individuals in the field, including colleagues Jiro Osawa and Hideaki Matsuhashi. Their combined efforts have fostered innovation and advanced technology in their respective projects, lending credibility to the inventive environment nurtured by Nagai.
Conclusion: Tamotsu Nagai's inventive spirit and commitment to improvement in tool design and grinding techniques embody the essence of innovation in industrial manufacturing. His achievements through patents, collaboration, and professional experience continue to influence the industry, paving the way for more advanced solutions in cutting and grinding technology.