Location History:
- Kanagawa-ken, JP (2009 - 2013)
- Yokohama, JP (2008 - 2015)
- Kanagawa, JP (2017)
Company Filing History:
9 out of 52,789 
1 out of 1 
1 out of 1,164 
Years Active: 2008-2017
Title: Hirokazu Karasawa: Innovator in Ultrasonic Technology
Introduction
Hirokazu Karasawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of ultrasonic technology, holding a total of 10 patents. His work focuses on developing advanced ultrasonic flaw detection methods and apparatuses that enhance the accuracy and efficiency of testing materials.
Latest Patents
Karasawa's latest patents include an ultrasonic flaw detecting apparatus, an ultrasonic transducer, and an ultrasonic flaw detecting method. The transducer main body features an oscillating plane with a bent shape, designed to correspond to a larger-diameter curved surface formed at a bend of a laminated part. A matrix of piezoelectric oscillators is distributed over the oscillating plane, allowing for effective transmission and reception of ultrasonic waves. The controlling unit within each oscillator group switches the piezoelectric oscillators between transmission and reception modes according to a preset pattern, processing received signals using an aperture synthesis method. Additionally, his ultrasonic flaw detecting apparatus includes a piezoelectric element array for transmitting ultrasonic waves and receiving echo signals from test objects, along with a synthesizing unit that creates internal images based on the received echo signals.
Career Highlights
Throughout his career, Karasawa has worked with notable companies such as Kabushiki Kaisha Toshiba and Toshiba Plant Systems & Service Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in ultrasonic technology.
Collaborations
Some of his notable coworkers include Takahiro Ikeda and Motohisa Abe. Their collaborative efforts have further advanced the field of ultrasonic detection and imaging.
Conclusion
Hirokazu Karasawa's contributions to ultrasonic technology have established him as a key figure in the industry. His innovative patents and career achievements reflect his dedication to enhancing material testing methods.