This inventor holds 4 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Mitsubishi Heavy Industries Limited. Active years: 2020-2024.
Company Filing History:

Years Active: 2020-2024
Title: Kunihiro Tomikawa: Innovator in Turbocharger Technology
Introduction
Kunihiro Tomikawa is a prominent inventor based in Tokyo, Japan, known for his contributions to turbocharger technology. With a total of four patents to his name, he has made significant advancements in the field of internal combustion engines.
Latest Patents
Tomikawa's latest patents include a wastegate valve device, a turbine, and a turbocharger. The wastegate valve device is designed to be positioned on a bypass passage that allows exhaust gases to bypass a turbine in a turbocharger. This device features a valve seat surface at the outlet of the bypass passage and a wastegate valve body that rotates about an axis, enabling it to contact the valve seat surface based on the rotation of a support arm. Notably, the valve seat surface is inclined relative to the axial direction of the bypass passage. Additionally, his turbocharger patent describes a system that includes a turbine housing, a bearing housing, and a wastegate portion that regulates the flow of exhaust gases, enhancing the efficiency of the turbocharger.
Career Highlights
Throughout his career, Tomikawa has worked with notable companies such as Mitsubishi Heavy Industries and Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. His experience in these organizations has allowed him to develop innovative solutions that address the challenges faced in turbocharger design and functionality.
Collaborations
Tomikawa has collaborated with esteemed colleagues, including Toyotaka Yoshida and Toru Hoshi, contributing to the advancement of technology in their respective fields.
Conclusion
Kunihiro Tomikawa's work in turbocharger technology exemplifies his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving the efficiency and performance of internal combustion engines.