Location History:
- Kokubunji, JA (1976 - 1978)
- Kokubunji, JP (1978 - 1979)
- Kawasaki, JP (1982)
Company Filing History:
8 out of 13,415 
1 out of 130 Years Active: 1976-1982
Title: Kizuku Otsubo: Innovator in Engine Control Technologies
Introduction
Kizuku Otsubo is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 8 patents. His innovative designs focus on improving engine efficiency and performance.
Latest Patents
One of Otsubo's latest patents is an auxiliary air regulator for internal combustion engines. This invention features a bypass passage that connects the air intake passage upstream and downstream of the throttle valve. It includes a movable shutter that controls the effective cross-sectional area of the bypass passage, utilizing a bimetallic coil to adjust the shutter in response to temperature changes. Another significant patent is an exhaust gas recirculation control system. This system uses engine suction to manage the admission of atmospheric air into a vacuum chamber, optimizing the EGR control valve's operation during varying engine loads.
Career Highlights
Throughout his career, Kizuku Otsubo has worked with prominent companies, including Nissan Motor Company and Japan Electronic Control Systems. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
Otsubo has collaborated with talented individuals in the field, including Hiraki Sawada and Ken Nakamura. Their combined expertise has contributed to the advancement of engine control technologies.
Conclusion
Kizuku Otsubo's contributions to engine technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the automotive industry positively.