Location History:
- Katsuta, JP (1986)
- Ibaraki, JP (1992)
- Tsuchiura, JP (1993 - 1994)
Company Filing History:
3 out of 42,485 
2 out of 152 
1 out of 13 Years Active: 1986-1994
Title: Katsuhiko Hashimoto: Innovator in Noise Reduction Technology
Introduction
Katsuhiko Hashimoto is a notable inventor based in Tsuchiura, Japan. He has made significant contributions to the field of noise reduction technology, particularly in automotive applications. With a total of 4 patents to his name, Hashimoto's work focuses on enhancing the performance and comfort of automotive air conditioning systems.
Latest Patents
One of his latest innovations is the "Noise Reduced Centrifugal Blower." This invention features a blower designed for automotive air conditioners, incorporating a lower casing that includes a plastic housing for a motor. A porous member in the form of a flat plate is strategically placed where the plastic housing meets the upper casing, creating an air layer that adds a muffling function.
Another significant patent is the "Centrifugal Fan with Noise Suppressing Arrangement." This design includes a fan, a motor for rotation, and a scroll casing that houses the fan. The scroll casing consists of two members, with the second member featuring a cylindrical housing for the electric motor. A porous sound-absorbing member is sandwiched between the two casing members, effectively suppressing noise generated by the fan's rotation.
Career Highlights
Katsuhiko Hashimoto has worked with prominent companies such as Hitachi, Ltd. and Hitachi Automotive Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in noise reduction technology.
Collaborations
Throughout his career, Hashimoto has collaborated with talented individuals, including Yoshinori Fukasaku and Mitsuaki Mirumachi. These partnerships have contributed to the advancement of his inventions and the successful implementation of his ideas.
Conclusion
Katsuhiko Hashimoto is a distinguished inventor whose work in noise reduction technology has made a significant impact in the automotive industry. His innovative patents demonstrate his commitment to improving the functionality and comfort of automotive systems.
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.