Mitsuhiko Ohta

Title: **Mitsuhiko Ohta: A Pioneer in Outboard Motor Innovations**

Introduction

Mitsuhiko Ohta, hailing from Shizuoka-Ken, Japan, is a noteworthy inventor recognized for his significant contributions to the realm of outboard motor technology. With a total of eight patents to his name, Ohta has played a crucial role in enhancing the functionality and efficiency of outboard engines.

Latest Patents

Among his latest innovations is the "Lubricating Construction for Outboard Motor." This patent describes an innovative oil chamber located at the upper portion of an outboard engine, which provides essential lubrication to a valve gear device within the cylinder head. The design incorporates oil passages that channel engine oil into the oil chamber, while the strategically positioned oil dropping passages allow oil to flow vertically into the cylinder head. This ingenuity ensures sufficient lubrication to the valve end sections, ultimately enabling the use of materials of normal hardness in manufacturing, thus reducing overall costs.

Another remarkable patent is the "Air Intake System for Outboard Motor." This system features a throttle body situated horizontally in front of the engine, incorporating a surge tank positioned on the side of the throttle body. It includes an air intake manifold with multiple pipes extending to each cylinder. The configuration of the throttle valve and its linkage mechanism, set opposite to the air intake manifold, simplifies assembly and maintenance, further enhancing the usability of the motor.

Career Highlights

Ohta has been associated with leading companies, notably Suzuki Motor Corporation and Suzuki Kabushiki Kaisha. His work in these organizations has allowed him to leverage their resources and platforms to bring forth innovative solutions in engine technology.

Collaborations

During his career, Mitsuhiko Ohta has collaborated with talented individuals such as Naoki Kawasaki and Toshiaki Ikeya. Their combined expertise has undoubtedly fostered a creative environment, leading to the development of cutting-edge inventions in the field of outboard motors.

Conclusion

Mitsuhiko Ohta stands out as a prominent figure in the world of innovation within the outboard motor industry. His pioneering patents reflect his commitment to improving engine efficiency and functionality, marking him as a vital contributor to technological advancements. As the industry evolves, Ohta's legacy is set to inspire future inventors and propel the continued development of innovative solutions in marine engineering.