Yoshinobu Sugiyama

Title: The Innovative Mind of Yoshinobu Sugiyama

Introduction

Yoshinobu Sugiyama is a notable inventor based in Tokyo, Japan, recognized for his contributions to electronic apparatus and amplifier circuits. With a total of two patents to his name, Sugiyama has showcased his innovative approach within the electronic technology sector.

Latest Patents

One of Sugiyama's latest inventions is an electronic apparatus that features a thin electronic calculator. This device incorporates a circuit board unit where an integrated circuit (IC) pellet is directly mounted on a film board, facilitating easy mass-production. The design includes metal foil leads that have one end extending radially and are formed on the film board, allowing for efficient connectivity. The IC pellet connects to these leads via bump electrodes, ensuring optimal performance. The circuit board unit is affixed to a wiring board using anisotropically conductive adhesive, connecting seamlessly to corresponding terminals. This innovative assembly is well-protected within upper and lower covers using adhesive islands, showcasing a thoughtful integration of design and functionality.

Sugiyama's second patent involves a push-pull amplifier circuit that is compensated for bias shortages during high power output. This advancement ensures that the circuit maintains its transistors in their active regions, enhancing performance consistency. The design incorporates a pair of output transistors in a push-pull arrangement, controlled by a variable bias generating circuit that adjusts bias voltages according to the output current, thereby optimizing operation in various conditions.

Career Highlights

Throughout his career, Yoshinobu Sugiyama has worked with prominent companies, including Casio Computer Co., Ltd. and Pioneer Electronic Corporation. His experiences in these organizations have provided him with a solid foundation for his inventive work and further contributed to his understanding of electronic components and systems.

Collaborations

During his time in the industry, Sugiyama has collaborated with esteemed colleagues, including Shohei Sawada and Takashi Hinooka. Their combined expertise and innovation-driven mindset have undoubtedly forged an environment conducive to achieving groundbreaking advancements in electronic technology.

Conclusion

Yoshinobu Sugiyama's inventive spirit and groundbreaking patents highlight his significant role in the advancement of electronics. His contributions have not only improved existing technologies but also laid a foundation for future innovations in electronic apparatus and amplifier circuits. As the field of technology continues to evolve, Sugiyama’s work demonstrates a vital blend of creativity and practicality in design.