Company Filing History:
2 out of 133 
2 out of 18 Years Active: 1979-1985
Title: Mineo Yamauchi: Innovator in Precision Measurement
Introduction
Mineo Yamauchi is a distinguished inventor based in Kawasaki, Japan. He has made significant contributions to the field of precision measurement, holding a total of four patents. His innovative designs have advanced the functionality and accuracy of micrometers, which are essential tools in various engineering and manufacturing applications.
Latest Patents
Among his latest inventions is a micrometer that features two or more spindles aligned on the same axis. This design allows for a spindle in contact with the workpiece to remain unrotatable, while the thimble's diameter is reduced for improved usability. The micrometer consists of a main body, a first spindle that is threadably coupled to the main body and rotatably connected to the thimble, and a second spindle linked to the first through a connecting mechanism. This mechanism includes a contact member and a bearing that transmits only the axial movement of the first spindle to the second spindle. Another notable invention is the constant pressure measuring micrometer, which utilizes parallel leaf springs to support an anvil. This design magnifies the displacement of the anvil and transmits it via a sector gear to a pointer, ensuring precise measurements.
Career Highlights
Mineo Yamauchi has worked with prominent companies in the precision measurement industry, including Mitutoyo Manufacturing Co., Ltd. and Kabushiki Kaisha Mitutoyo Seisakusho. His experience in these organizations has allowed him to refine his skills and contribute to the development of advanced measuring instruments.
Collaborations
Throughout his career, Yamauchi has collaborated with notable colleagues such as Masao Nakahara and Yoshimitu Karahashi. These partnerships have fostered innovation and have played a crucial role in the advancement of micrometer technology.
Conclusion
Mineo Yamauchi's contributions to the field of precision measurement through his innovative micrometer designs have established him as a key figure in the industry. His work continues to influence the development of measurement tools that enhance accuracy and efficiency in various applications.