Makoto Ishijima

Title: Makoto Ishijima: Innovator in Construction Machinery and Generator Technology

Introduction

Makoto Ishijima is a notable inventor based in Omitama, Japan. He has made significant contributions to the fields of construction machinery and generator technology. With a total of two patents to his name, Ishijima's work reflects a commitment to innovation and efficiency.

Latest Patents

Ishijima's latest patents include a construction machine featuring a low idling controller. This controller switches an idling state flag from 'clear' to 'set' upon detecting non-operation of an operating device. Additionally, a rotational speed controller adjusts the engine's rotational speed to a low idling speed based on the idling state flag. This innovation enhances the efficiency of construction machinery by reducing unnecessary fuel consumption.

Another significant patent is for a generator motor and electric vehicle that focuses on cooling armature windings uniformly. The design includes a stator fixed to the housing's inner diameter and a rotor supported by bearings. The innovative cooling system utilizes brackets with passages for cooling oil, which is injected toward the winding ends of the armature windings. This ensures optimal cooling and performance of the generator motor.

Career Highlights

Throughout his career, Ishijima has worked with prominent companies such as Hitachi Construction Machinery Co., Ltd. and Hitachi Industrial Equipment Systems Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in machinery and electrical systems.

Collaborations

Ishijima has collaborated with notable coworkers, including Seiji Ishida and Satoshi Kikuchi. Their combined expertise has contributed to the successful development of various projects and patents.

Conclusion

Makoto Ishijima's contributions to construction machinery and generator technology demonstrate his innovative spirit and dedication to improving efficiency. His patents reflect a deep understanding of engineering principles and a commitment to advancing technology in his field.