Company Filing History:
2 out of 1,838 
1 out of 36,713 
Years Active: 1981-1987
Title: The Innovations of Shoichi Ohshima
Introduction
Shoichi Ohshima is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of engineering, particularly in the area of lubrication systems for gear transmissions. With a total of 3 patents to his name, Ohshima's work has had a lasting impact on automotive technology.
Latest Patents
One of his latest patents is a lubrication arrangement in a change-speed gearing assembly. This invention includes upper and lower bearings carried on a partition wall of a casing for the assembly, which supports input and counter shafts. The design features a bearing retainer that is secured in a fluid-tight manner to retain both bearings in place. The input shaft extends outwardly through an annular seal member, ensuring effective lubrication.
Another significant patent is a mechanism for lubricating an output pilot bearing of a gear transmission. This invention involves a casing containing lubrication oil, with an input gear rotatably mounted inside. The gear transmission includes a bearing lubrication mechanism that consists of a cavity formed in the gear piece and an oil aperture in the input gear, enhancing the efficiency of the lubrication process.
Career Highlights
Shoichi Ohshima has worked with Toyota Motor Corporation, where he has been instrumental in developing innovative automotive technologies. His expertise in lubrication systems has contributed to the advancement of gear transmission designs, making them more efficient and reliable.
Collaborations
Throughout his career, Ohshima has collaborated with notable colleagues such as Shiuichiro Ida and Shunichi Hirashima. These partnerships have fostered a creative environment that has led to groundbreaking innovations in the automotive industry.
Conclusion
Shoichi Ohshima's contributions to the field of engineering, particularly in lubrication systems for gear transmissions, highlight his innovative spirit and dedication to advancing automotive technology. His patents reflect a commitment to improving efficiency and reliability in vehicle performance.