Company Filing History:
Years Active: 1981-1983
Title: Innovative Contributions of Yoshitusgu Morikawa in Push Button and Keyboard Switch Technology
Introduction
Yoshitusgu Morikawa, an inventive mind from Tokyo, Japan, has made significant strides in the realm of switch technology. With two patents to his name, Morikawa has focused on enhancing the functionality and reliability of push button switches and keyboard covering pads, making important contributions to the electronics industry.
Latest Patents
Morikawa's latest innovations include:
1. **Rubber-made covering member for push button switches**: This invention revolutionizes the design of push button switches by integrating a rubbery elastomeric material to provide a more efficient key stroke action. The improved structure ensures a larger key stroke is achieved before the snapping action occurs when the button is pushed at the center, enhancing user experience. The design comprises a central pushing part, a first annular portion in the form of a truncated cone or cup, a second annular portion encircling the first, and a base flat connected to the second portion, all contributing to its effective operation.
2. **Keyboard switch covering pads**: Morikawa’s innovative keyboard switch covering pad is designed for compact electronic devices like pocketable calculators. This invention prevents operational errors even when multiple keys are pressed simultaneously, thus safeguarding the functionality of integrated circuit devices. It features an electrically conductive rubber sheet segmented into sections, bonded to an electrically insulating sheet that maintains an insulating air gap, ensuring reliable operation.
Career Highlights
Morikawa has been a valuable member of Shin-Etsu Polymer Co., Ltd., where his innovative approach has played a vital role in the development of electronic switch technologies. His career is marked by a commitment to improving user interaction and safety in electronic devices through thoughtful design and engineering.
Collaborations
Throughout his career, Morikawa has collaborated with talented coworkers like Ryoichi Sado and Takekuni Okamoto. These professional partnerships have contributed to the advancement of their shared goals in creating durable and reliable electronic components that enhance everyday technology.
Conclusion
Yoshitusgu Morikawa stands out as an influential inventor whose innovative solutions have addressed critical needs in push button and keyboard technology. His contributions through his patents reflect a dedication to enhancing functionality and user experience in electronic devices. As technology continues to evolve, Morikawa's work plays a crucial role in shaping the future of interactive electronics.