Location History:
- Tokyo, JP (1990 - 1992)
- Chigasaki, JP (2011 - 2014)
- Mobara, JP (2013 - 2019)
Company Filing History:
10 out of 1,238 
7 out of 5,668 
5 out of 1,207 
Years Active: 1990-2019
Title: The Innovations of Toshiyuki Kumagai
Introduction
Toshiyuki Kumagai is a prominent inventor based in Chigasaki, Japan. He has made significant contributions to the field of capacitance detection devices, holding a total of 14 patents. His work has been instrumental in advancing technology related to coordinate input devices and display systems.
Latest Patents
Kumagai's latest patents include a capacitance detection device that features a capacitance sensor electrode for detecting capacitance. This device is equipped with a power source that supplies charges to the capacitance sensor electrode. Additionally, it includes an electric charge storage capacitor, which changes the amount of charges stored based on the electric charges in the capacitance sensor electrode. A switch is also incorporated to change the reference potential of the electric charge storage capacitor during the capacitance measurement period.
Career Highlights
Throughout his career, Kumagai has worked with notable companies such as Panasonic Liquid Crystal Display Co., Ltd. and Japan Display Inc. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the display technology sector.
Collaborations
Kumagai has collaborated with esteemed colleagues, including Norio Mamba and Tsutomu Furuhashi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Toshiyuki Kumagai's contributions to the field of capacitance detection devices and his extensive patent portfolio highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.
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.