This inventor holds 3 USPTO granted patents. Top assignee: Citizen Watch Company, Ltd.. Active years: 2002-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokorozawa, JP (2002 - 2005)
- Nishitokyo, JP (2005)
Company Filing History:
Years Active: 2002-2005
Title: Innovations by Kouji Fujii in Timepiece Manufacturing
Introduction
Kouji Fujii is a notable inventor based in Tokorozawa, Japan. He has made significant contributions to the field of timepiece manufacturing, holding a total of 3 patents. His work focuses on enhancing the design and functionality of wristwatch cases, particularly in terms of corrosion resistance and waterproofing.
Latest Patents
Fujii's latest patents include innovative methods for manufacturing wristwatch cases. One of his patents describes a wristwatch case made of titanium or stainless steel, featuring a crown pipe that is fixed to the case body. This design incorporates a stem hole that corresponds to the crown pipe, allowing for a solid phase diffusion joining part to be formed. This method ensures that the watch external part has excellent corrosion resistance and waterproof capabilities, while also allowing for a variety of design options.
Another patent outlines a method for fixing a pipe to a wristwatch case without a substantial connection interface. This involves creating a through-hole in the wristwatch case and press fitting the pipe, followed by heating the case to secure the connection. This innovative approach enhances the durability and aesthetic appeal of the wristwatch.
Career Highlights
Kouji Fujii is currently employed at Citizen Watch Company, Ltd., where he continues to develop cutting-edge technologies in watchmaking. His expertise in materials and manufacturing processes has positioned him as a key player in the industry.
Collaborations
Fujii has collaborated with talented coworkers such as Junji Satoh and Hitoshi Uchida. Their combined efforts have led to advancements in the design and functionality of timepieces, further solidifying their reputation in the watchmaking field.
Conclusion
Kouji Fujii's innovative contributions to wristwatch manufacturing demonstrate his commitment to enhancing the quality and design of timepieces. His patents reflect a deep understanding of materials and manufacturing techniques, making him a valuable asset to the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile