Location History:
- Shizuoka, JP (2015 - 2016)
- Hamamatsu, JP (2006 - 2022)
Company Filing History:
21 out of 5,450 
2 out of 4,232 
Years Active: 2006-2022
Title: The Innovative Journey of Hirofumi Onitsuka
Introduction: Hirofumi Onitsuka, a prolific inventor based in Hamamatsu, Japan, has made significant strides in the field of acoustics. With a remarkable portfolio that includes 21 patents, Onitsuka has contributed innovative designs that enhance sound quality and speaker performance. His work reflects a deep understanding of audio engineering and a passion for advancing acoustic technologies.
Latest Patents: Among his latest innovations, Onitsuka has developed groundbreaking technologies such as the "Bass Reflex Port and Acoustic Device" and the "Bass Reflex Port and Bass Reflex Type Speaker." The former features a unique acoustic device with an enclosure and a bass reflex port that is designed with multiple regions of varying viscous resistance along the inner wall surface. This design aims to optimize the movement of air within the tube body, allowing for enhanced sound dynamics. The latter patent revolves around a bass reflex port that includes a tubular body and a radially extending surface, which plays a pivotal role in improving speaker housing performance.
Career Highlights: Onitsuka has had an impressive career with notable tenures at Yamaha Corporation and Yamaha Hatsudoki Kabushiki Kaisha. His experience in these reputed companies has equipped him with the skills and expertise necessary to innovate and lead in acoustic technology development.
Collaborations: Throughout his career, Onitsuka has collaborated with esteemed colleagues such as Akira Miki and Yasuo Shiozawa. Together, they have worked on various projects that have contributed to the evolution of audio devices, significantly influencing the industry.
Conclusion: Hirofumi Onitsuka's dedication to innovation in audio technology is evident through his extensive patent portfolio and collaborative efforts. His work continues to pave the way for advancements in sound quality and acoustics, solidifying his position as a key figure in the field of inventions related to audio devices. As he continues to innovate, the impact of his contributions will undoubtedly resonate in the industry for years to come.
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.