Location History:
- Naka, JP (1982)
- Katsuta-shi, Ibaraki JP (1993)
- Ibaraki-ken, JP (1996)
- Ibaraki, JP (1978 - 1997)
- Katsuta, JP (1989 - 1997)
- Hitachinaka, JP (1997 - 2012)
Company Filing History:
12 out of 42,485 
5 out of 836 
2 out of 832,680 Years Active: 1978-2012
Title: Hisao Sonobe: Innovator in Measurement Technology
Introduction
Hisao Sonobe is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of measurement technology, holding a total of 15 patents. His work has been instrumental in advancing various devices that enhance measurement accuracy and efficiency.
Latest Patents
One of Hisao Sonobe's latest inventions is an angular velocity measuring device. This device includes first and second oscillators that are elastically supported on a substrate. An elastic connecting beam connects these oscillators, and an oscillating means is incorporated for differential oscillation. Additionally, a viscous force generating means is included to suppress in-phase oscillation of the oscillators. Another notable patent is a hot-wire type air flow meter designed for internal combustion engines. This device features an exothermic resistor film on a silicon substrate, which is strategically placed in the suction pipe of the engine. The control circuit regulates the voltage or current supplied to the resistor film, ensuring accurate measurements even when liquid droplets are present.
Career Highlights
Throughout his career, Hisao Sonobe has worked with reputable companies such as Hitachi, Ltd. and Hitachi Cable, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of technology in measurement devices.
Collaborations
Hisao Sonobe has collaborated with notable coworkers, including Shigeru Oho and Hiroshi Kajioka. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Hisao Sonobe's contributions to measurement technology through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence advancements in various applications, showcasing the importance of innovation in technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.