Tatsunobu Shibuya

Title: Innovations of Tatsunobu Shibuya

Introduction

Tatsunobu Shibuya is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of crystal oscillators, holding a total of 2 patents. His work focuses on enhancing the functionality and efficiency of integrated circuits in crystal oscillators.

Latest Patents

Shibuya's latest patents include a crystal oscillator and a method of bonding an IC chip useful for fabricating crystal oscillators. The first patent describes a crystal oscillator where a crystal blank and an integrated circuit (IC) chip are housed in a vessel. The IC chip is fixed to the bottom surface of the vessel using ultrasonic thermocompression bonding. This design allows the IC chip to utilize the crystal blank effectively. The second patent outlines a crystal oscillator that includes a vessel main body with a concave portion, a cover, and an IC chip containing an oscillating circuit. The IC chip is bonded to the circuit terminals through bumps, ensuring a reliable connection.

Career Highlights

Tatsunobu Shibuya works at Nihon Dempa Kogyo Co., Ltd., a company known for its advancements in the field of electronic components. His innovative designs have contributed to the company's reputation for quality and reliability in crystal oscillator technology.

Collaborations

Shibuya has collaborated with notable coworkers such as Susumu Negishi and Hiroshi Uehara. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Tatsunobu Shibuya's contributions to the field of crystal oscillators demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of integrated circuits and their applications, solidifying his status as a prominent inventor in the industry.