This inventor holds 4 USPTO granted patents and 3 published patent applications. Top assignees: Seiko Seiki Kabushiki Kaisha, Calsonic Corporation, Seiko Seiki Co., Ltd.. Active years: 1994-2002.
Location History:
- Narashino, JP (1994 - 1999)
- Chiba, JP (2002)
Company Filing History:
3 out of 132 
2 out of 126 
1 out of 5 Years Active: 1994-2002
Title: The Innovations of Makoto Ijiri
Introduction
Makoto Ijiri is a notable inventor based in Narashino, Japan. He has made significant contributions to the field of automotive engineering, particularly in the development of technologies related to engine control and gas compression. With a total of 4 patents to his name, Ijiri's work reflects a commitment to enhancing the efficiency and functionality of automotive systems.
Latest Patents
Ijiri's latest patents include an idling engine speed control apparatus and a compressor having pressure eliminating means. The idling engine speed control apparatus is designed to economically and suitably manage the idling speed of an engine when a variable displacement type compressor is part of an automotive air conditioning system. This innovation allows for the engine output to be controlled based on the duty ratio of a control valve current value, ensuring optimal performance during idling conditions.
The compressor having pressure eliminating means features a complex design that includes multiple chambers for receiving and compressing refrigerant gas. This invention addresses the need for efficient lubrication and pressure management within the compressor, enhancing its overall reliability and performance.
Career Highlights
Throughout his career, Makoto Ijiri has worked with prominent companies such as Seiko Seiki Kabushiki Kaisha and Calsonic Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.
Collaborations
Ijiri has collaborated with notable colleagues, including Shinya Eto and Yoichi Okawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the automotive sector.
Conclusion
Makoto Ijiri's contributions to automotive engineering through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence the development of efficient automotive systems, showcasing the importance of innovation in engineering.