This inventor holds 2 USPTO granted patents. Top assignees: Nissan Motor Company Limited, Nittan Valve Co., Ltd.. Active years: 1996-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:


Years Active: 1996-1998
Title: Shunzo Umegaki: Innovator in Gear Manufacturing
Introduction
Shunzo Umegaki is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of gear manufacturing, holding a total of 2 patents. His innovative methods have advanced the production processes of bevel gears and hollow gears.
Latest Patents
Umegaki's latest patents include a method of producing bevel gears and a method of manufacturing a gear with a central through hole. The first patent outlines a process that involves forging a rough shaped bevel gear from a case-hardened blank, followed by trimming and warm sizing the toothed portion. The second patent describes a method where a hardened surface layer is formed on a hollow material, which is then hot-forged into a hollow gear-like forged body. This process includes the use of piercing punches to create teeth on the gear while managing the annular flash produced during forging.
Career Highlights
Throughout his career, Umegaki has worked with prominent companies such as Nissan Motor Company Limited and Nittan Valve Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the advancement of gear manufacturing technologies.
Collaborations
Umegaki has collaborated with talented individuals in his field, including Takashi Matsumoto and Shinji Fushimi. These partnerships have fostered innovation and the sharing of ideas, further enhancing the development of new manufacturing techniques.
Conclusion
Shunzo Umegaki's contributions to gear manufacturing through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile