Location History:
- Katsuta, JA (1978)
- Katsuta, JP (1982 - 1991)
- Isehara, JP (1995)
Company Filing History:
15 out of 42,485 
2 out of 152 
1 out of 13,395 
Years Active: 1978-1995
Title: Osamu Igarashi: Innovator in Noise Reduction and Automotive Technology
Introduction
Osamu Igarashi is a prominent inventor based in Katsuta, Japan, known for his significant contributions to noise reduction technology and automotive information systems. With a total of 15 patents to his name, Igarashi has made a lasting impact in his field through innovative solutions that enhance user experience and vehicle functionality.
Latest Patents
One of Igarashi's latest inventions is a noise reduction apparatus designed to combat noise caused by mechanical vibrations from engines. This device utilizes a microprocessor to calculate a secondary sound signal that is in antiphase with the noise, effectively canceling it out. The system includes a divergence detection circuit that monitors the secondary sound signal and automatically stops output when noise levels increase, preventing further amplification of the noise.
Another notable patent is the automotive information display device, which features a CPU unit capable of processing various information. This device includes an electronic display unit with a liquid crystal panel and multiple switches for selecting displayed information. The display unit is designed to be extractable from the instrument panel, allowing it to be positioned at any desired angle for optimal visibility by the driver and assistant seat personnel.
Career Highlights
Throughout his career, Osamu Igarashi has worked with esteemed 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, contributing to advancements in automotive technology.
Collaborations
Igarashi has collaborated with notable coworkers, including Keiichi Tokuyama and Masaru Kugo. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Osamu Igarashi's work in noise reduction and automotive information systems exemplifies the spirit of innovation. His patents reflect a commitment to improving technology for better user experiences. Igarashi's contributions continue to influence the automotive industry and inspire future inventors.
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.