This inventor holds 20 USPTO granted patents and 14 EPO patents, primarily in Weighing Technology. Top assignees: Yamato Scale Company, Limited, Welcon Inc., Yamamoto Scale Co., Ltd.. Active years: 2012-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hyogo, JP (2015 - 2017)
- Kobe, JP (2015 - 2018)
- Akashi, JP (2012 - 2022)
Company Filing History:

Years Active: 2012-2025
Areas of Expertise:
Title: Takayuki Nagai: Innovator in Weighing Technologies
Introduction
Takayuki Nagai is a renowned inventor based in Akashi, Japan, known for his significant contributions to the field of weighing technology. With a total of 19 patents to his name, Nagai's work has revolutionized how we understand and implement weighing devices in various applications.
Latest Patents
Among his latest innovations are two noteworthy patents: the sealing structure and the combination weighing device. The sealing structure involves a sealing member with an annular shape that is elastically deformable. This sealing member is cleverly positioned between the top plate of a cabinet, which houses a vibrator, and the vibrating head, which protrudes from the cabinet's opening. This innovation allows for effective sealing, enhancing the performance of the device.
The combination weighing device exhibits a sophisticated design by arranging a plurality of weighing units in a circular format. It incorporates a combination scale that temporarily retains articles in a collection hopper following combinatorial computations, ensuring accurate weighing. Additionally, an alignment and transport unit is integrated to vibrationally transport the articles from the collection hopper, ensuring efficient processing.
Career Highlights
Throughout his career, Takayuki Nagai has made impactful advancements in weighing technologies. He has been associated with prominent companies such as Yamato Scale Company, Limited and Yamamoto Scale Co., Ltd. His expertise in the field has driven significant technological enhancements that benefit various industries.
Collaborations
Nagai's journey in innovation has also been marked by collaborations with distinguished colleagues, including Ryo Shimizu and Makoto Makabe. Together, they have contributed to the development of pioneering technologies that have set new standards in weighing solutions.
Conclusion
In conclusion, Takayuki Nagai's innovative mindset and dedication to advancing weighing technologies have led to numerous patents and breakthroughs. His latest inventions continue to shape the future of weighing devices, making a lasting impact in both the industry and the academic sphere.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile