This inventor holds 16 USPTO granted patents and 2 published patent applications. Top assignees: Hitachi Metals, Ltd., Kabushikikaisha Matsui Seisakusho. Active years: 1983-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saitama, JP (1983 - 1992)
- Kumagaya, JP (1985 - 1995)
- Saitama-ken, JP (2003)
- Osaka, JP (1991 - 2013)
- Hirakata, JP (2007 - 2015)
Company Filing History:
Years Active: 1983-2015
Title: Motoharu Shimizu: Innovator in Mold Temperature Control and Permanent Magnet Motors
Introduction
Motoharu Shimizu is a prominent inventor based in Osaka, Japan, known for his significant contributions to the fields of mold temperature control devices and permanent magnet motors. With a total of 16 patents to his name, Shimizu has made a lasting impact on the industry through his innovative designs and engineering solutions.
Latest Patents
One of Shimizu's latest inventions is a mold temperature control device. This device comprises a first medium supply portion for circularly supplying a first medium to a medium flow path of a mold, a second medium supply portion for circularly supplying the medium flow path with a second medium that has a different temperature from that of the first medium, and a third medium supply portion for circularly supplying a third medium corresponding to the first medium to the medium flow path. The device also includes a switching connection portion for switching between a medium supply path and a medium return path of each medium supply portion to connect the medium flow path. Additionally, it features a control portion that switches between different supply modes for the mediums.
Another notable patent is for a permanent magnet motor that includes a rotor and a stator, along with a plurality of permanent magnets placed on either the rotor or the stator. Each permanent magnet is an R—Fe—B based rare-earth sintered magnet that includes a light rare-earth element as a major component and partially includes a high coercivity portion with a heavy rare-earth element diffused in a higher concentration.
Career Highlights
Shimizu has worked with several reputable companies throughout his career, including Hitachi Metals, Ltd. and Kabushikikaisha Matsui Seisakusho. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Shimizu has collaborated with notable coworkers such as Osamu Matsui and Motohisa Hasegawa. Their combined expertise has fostered an environment of innovation and creativity in their respective fields.
Conclusion
Motoharu Shimizu's contributions to the fields of mold temperature control and permanent magnet motors exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a deep understanding of complex systems and a commitment to advancing technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile