Company Filing History:
2 out of 1,627 
1 out of 26 
Years Active: 1986-1987
Title: The Innovations of Tadashi Sugawara
Introduction
Tadashi Sugawara is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of vehicle suspension systems, holding a total of 3 patents. His work focuses on enhancing vehicle performance and safety, particularly on rough terrains.
Latest Patents
One of Sugawara's latest patents is a vehicle suspension apparatus that features suspension units equipped with height control fluid spring chambers. This system includes fluid supply valves that allow fluid to flow from a source to the spring chambers through corresponding supply control valve means. The design ensures that the supply control valve means are activated only for a predetermined period, enabling the vehicle to increase its height to a maximum level when a high height selection switch is engaged.
Another significant patent involves a vehicle suspension system that responds to vertical acceleration and changes in road conditions. This system utilizes vehicle height sensors to detect upward and downward movements that exceed a set range within a specific timeframe. Additionally, it employs an acceleration sensor to identify upward and downward acceleration that surpasses a predetermined value. By automatically setting a high vehicle height as the target, the system improves drivability on rough roads and minimizes body damage.
Career Highlights
Throughout his career, Sugawara has worked with prominent companies, including Mitsubishi Jidosha Kogyo Kabushiki Kaisha and Mitsubishi Jidosha Kogyo K.K. His experience in these organizations has contributed to his expertise in vehicle technology and innovation.
Collaborations
Sugawara has collaborated with notable colleagues such as Shozo Takizawa and Minoru Tatemoto. Their combined efforts have led to advancements in vehicle suspension technology.
Conclusion
Tadashi Sugawara's contributions to vehicle suspension systems demonstrate his commitment to innovation and safety in automotive engineering. His patents reflect a deep understanding of vehicle dynamics and a desire to enhance the driving experience.