Seiji Tashima is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of automotive engineering, particularly in turbocharger technology. With a total of 15 patents to his name, Tashima's work has had a substantial impact on engine performance and efficiency.

Latest Patents

Tashima's latest patents include an "Exhaust Control System for Engine with Turbochargers" and a "Supercharging Pressure Control System for Engine with Turbochargers." The exhaust control system features a primary and a secondary turbocharger, designed to optimize engine performance by managing exhaust flow and supercharging pressure. The system includes an exhaust cutoff valve and a waste gate valve that work together to ensure efficient operation under varying intake air mass conditions. The supercharging pressure control system operates similarly, allowing for the primary turbocharger to function alone in low air mass scenarios while engaging both turbochargers in high air mass situations, thus enhancing overall engine efficiency.

Career Highlights

Seiji Tashima is currently employed at Mazda Motor Corporation, where he continues to innovate and develop advanced automotive technologies. His work has been instrumental in improving the performance of Mazda's engines, particularly in the realm of turbocharging.

Collaborations

Tashima has collaborated with notable colleagues such as Haruo Okimoto and Toshimichi Akagi. Their combined expertise has contributed to the successful development of various automotive technologies.

Conclusion

Seiji Tashima's contributions to turbocharger technology exemplify his dedication to innovation in the automotive industry. His patents reflect a deep understanding of engine dynamics and a commitment to enhancing vehicle performance.

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