Company Filing History:
Years Active: 1987-1989
Title: Masahiko Igarashi: Innovator in Variable Resistors and Potentiometers
Introduction
Masahiko Igarashi is a notable inventor based in Mitaka, Japan. He has made significant contributions to the field of electronics, particularly in the development of variable resistors and potentiometers. With a total of 2 patents, Igarashi's work showcases his innovative approach to electronic components.
Latest Patents
Igarashi's latest patents include a variable resistor and a potentiometer. The variable resistor features terminal leads punched out of a metal plate, designed to align accurately with corresponding collector or conductor elements on a base. This design includes filler elements that prevent synthetic resin from flowing into the housing during molding. Additionally, it incorporates a parallel gap electrode with a pair of parallel electrodes on the unplated surface of the lead terminals, facilitating effective welding onto the collector and conductive elements.
The potentiometer patent describes a device with a case, housing, base, and a rotor that rotates within the housing chamber. The housing is equipped with projections on its side walls and corner projections at its corners. The case has bent long legs that fit into the housing's projections, allowing for easy assembly. The rotor's design ensures that it interacts effectively with the collector element of the base as it rotates.
Career Highlights
Masahiko Igarashi is associated with Copal Electronics Co., Ltd., where he has contributed to the advancement of electronic components. His innovative designs have played a crucial role in enhancing the functionality and efficiency of various electronic devices.
Collaborations
Igarashi has worked alongside talented colleagues, including Atsushi Okazaki and Tsuneo Horie. Their collaborative efforts have furthered the development of innovative electronic solutions.
Conclusion
Masahiko Igarashi's contributions to the field of electronics through his patents on variable resistors and potentiometers highlight his innovative spirit and dedication to advancing technology. His work continues to influence the design and functionality of electronic components today.