Kazuo Okada

Title: Kazuo Okada: Innovator in Miniature Motor Technology

Introduction

Kazuo Okada is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of miniature motor technology, holding a total of 4 patents. His innovative designs have paved the way for advancements in various applications.

Latest Patents

Kazuo Okada's latest patents include a miniature motor that features a case made of metallic material, designed in a bottom hollow tubular shape. This motor incorporates a permanent magnet fixed to the inner circumferential surface, along with a rotor that consists of an armature facing the permanent magnet and a commutator. The design also includes a case cover that engages with the open end of the case, featuring brushes that make sliding contact with the commutator and input terminals connected to the brushes. Additionally, the rotor is rotatably supported by bearings, and a printed circuit board with a control element and a soundproofing plate is provided outside the case cover. The soundproofing plate is uniquely shaped in a cross form when projected on a plane intersecting the rotor's axial line.

Another notable patent is a miniature motor that includes a motor case formed into a bottomed hollow cylindrical shape. This design features an end bracket fitted to the open end of the motor case, with permanent magnets fixed to the cylindrical inside surface. The armature is rotatably supported within the motor case via bearings, and specific recesses are strategically placed to optimize the motor's performance. A method of making the motor is also proposed, which involves forming the recesses by ironing.

Career Highlights

Kazuo Okada has established himself as a key figure in the miniature motor industry through his work at Mabuchi Motor Co., Ltd. His innovative designs and patents have contributed to the company's reputation for excellence in motor technology.

Collaborations

Throughout his career, Kazuo Okada has collaborated with notable coworkers such as Keisuke Ebihara and Kunio Hiromasa. These collaborations have further enhanced the development of advanced motor technologies.

Conclusion

Kazuo Okada's contributions to miniature motor technology exemplify his innovative spirit and dedication to engineering excellence. His patents and designs continue to influence the industry, showcasing the importance of creativity in technological advancement.