Location History:
- Gotenba, JP (1994)
- Kawasaki, JP (1995 - 2001)
- Kamakura, JP (1999 - 2005)
- Chiyoda-ku, JP (2014)
- Yokohama, JP (1987 - 2023)
- Chiba, JP (2023)
- Tokyo, JP (2014 - 2024)
Company Filing History:
14 out of 42,508 
13 out of 39,244 
8 out of 3,781 
Years Active: 1987-2024
Areas of Expertise:
Title: Yutaka Igarashi: A Pioneer in Ultrasonic Technology
Introduction
Yutaka Igarashi, a prominent inventor based in Yokohama, Japan, has made significant contributions to the field of ultrasonic technology. With an impressive portfolio of 48 patents, his work has advanced the capabilities of ultrasonic probes and diagnostic apparatuses.
Latest Patents
Igarashi's latest inventions focus on enhancing the functionality and performance of ultrasonic devices. One noteworthy patent is for an ultrasonic probe that encompasses a variety of transducers paired with low-noise amplifier circuits. This innovative probe features a variable resistor feedback unit, allowing for adjustable resistance values and improved control over amplifier gains. Additionally, he has developed an ultrasound diagnostic apparatus that integrates a Time Gain Compensation (TGC) circuit, further illustrating his commitment to advancing ultrasonic technology. The design involves multiple receive circuits, each incorporating an ultrasound transducer, a transmit/receive switch, and a variable attenuator, enabling precise signal amplification and management.
Career Highlights
Throughout his career, Yutaka Igarashi has collaborated with some of the leading technology companies in Japan. Notably, he has worked with Hitachi, Ltd. and Fujitsu Corporation, where he contributed his expertise in developing advanced ultrasonic equipment. His innovation in the field has not only earned him a notable number of patents but has also significantly impacted medical diagnostic technologies.
Collaborations
Igarashi has worked alongside talented colleagues in his pursuit of innovation. Among them are Yusaku Katsube and Akio Yamamoto, who have collaborated with him on various projects, showcasing the value of teamwork in technological advancement.
Conclusion
Yutaka Igarashi's contributions to ultrasonic technology underscore the importance of innovation in enhancing medical diagnostic tools. With his extensive patent portfolio and partnerships with major companies, he continues to pave the way for future developments in the field, solidifying his legacy as a pioneering inventor.