This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Aisan Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha, Denso Corporation. Active years: 2010-2019.
Location History:
- Chiryu, JP (2010)
- Kakamigahara, JP (2017 - 2019)
Company Filing History:
4 out of 806 
4 out of 38,723 
1 out of 20,369 
Years Active: 2010-2019
Title: Hidetoshi Tsutsumi: Innovator in Fuel Processing Technology
Introduction
Hidetoshi Tsutsumi is a notable inventor based in Kakamigahara, Japan. He has made significant contributions to the field of fuel processing technology, holding a total of 4 patents. His innovative designs focus on improving the efficiency and functionality of internal combustion engines.
Latest Patents
One of Tsutsumi's latest patents is an evaporated fuel processing device. This device features an intake pipe equipped with a throttle valve downstream of a supercharger, along with an ejector positioned in parallel to the supercharger. The design includes a purge passage that branches into first and second branch passages, connecting to the intake pipe downstream of the throttle valve and to the suction port of the ejector, respectively. The ejector's intake port is linked to the intake pipe between the supercharger and the throttle valve, while its exhaust port connects upstream of the supercharger. The flow rate of purge gas in the second branch passage is determined based on multiple pressure readings.
Another significant patent is a fuel supply system for an internal combustion engine. This system incorporates a check valve and a purge valve within a purge passage that links a canister to the intake passage of the engine. A controller manages the purge valve's opening degree during operation, allowing for adjustments to enhance performance.
Career Highlights
Hidetoshi Tsutsumi has worked with prominent companies in the automotive industry, including Aisan Kogyo Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has contributed to his expertise in fuel processing technologies.
Collaborations
Throughout his career, Tsutsumi has collaborated with talented individuals such as Ryuji Miyazaki and Tomonori Nakatsuka. These partnerships have fostered innovation and development in his projects.
Conclusion
Hidetoshi Tsutsumi's contributions to fuel processing technology demonstrate his commitment to innovation and efficiency in the automotive sector. His patents reflect a deep understanding of internal combustion engine systems and a drive to enhance their performance.