Company Filing History:
2 out of 1,142 
1 out of 832,843 Years Active: 2014-2024
Title: Kazuhiro Onitsuka: Innovator in Turbocharger Technology
Introduction
Kazuhiro Onitsuka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of turbocharger technology, holding a total of four patents. His innovative designs have advanced the efficiency and performance of turbochargers, making a notable impact in the automotive and engineering industries.
Latest Patents
Onitsuka's latest patents include a variable capacity turbocharger that features a housing, a turbine impeller, and a scroll flow path encircling the turbine impeller. This design incorporates a first nozzle ring and a second nozzle ring that face each other within the housing. The nozzle flow path fluidly connects the scroll flow path to the turbine impeller, with a gap formed between the first nozzle ring and the housing. Additionally, a bearing hole located in the first nozzle ring includes an opening adjacent to the gap, enhancing the turbocharger's functionality. Another patent for a variable capacity turbocharger includes a variable nozzle unit with a shroud-side ring and a hub-side ring, both containing bearing holes. This design supports a nozzle vane within the nozzle flow path, further optimizing the turbocharger's performance.
Career Highlights
Kazuhiro Onitsuka has worked with IHI Corporation, where he has been instrumental in developing advanced turbocharger technologies. His work has contributed to the company's reputation for innovation and excellence in engineering.
Collaborations
Onitsuka has collaborated with notable professionals in the field, including Yuji Kobayashi and Takafumi Ueda. These partnerships have fostered a creative environment that has led to groundbreaking advancements in turbocharger design.
Conclusion
Kazuhiro Onitsuka's contributions to turbocharger technology exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to enhancing performance and efficiency in the automotive industry.