This inventor holds 7 USPTO granted patents. Top assignees: Shimano Industrial Co., Ltd., Shimano Inc., Other. Active years: 1979-2003.
Company Filing History:
5 out of 444 
1 out of 3,368 
1 out of 834,453 Years Active: 1979-2003
Title: The Innovative Mind of Hitoshi Katayama
Introduction
Hitoshi Katayama, an accomplished inventor based in Sakai, Japan, has made significant strides in the field of fishing equipment with a total of seven patents to his name. His innovative thinking and technical expertise have led to the development of cutting-edge solutions that enhance the functionality and performance of fishing reels.
Latest Patents
Among his most recent inventions are two notable patents:
1. **Drag washer of reel for fishing and reel for washing using the same** - This invention features a mixture comprising 40-80 mass % of expanded graphite, 5-25 mass % of heat-resistant reinforcing fiber, and 10-40 mass % of heat-resistant binder. The mixture is formed into a sheet, cured, and then punched to create a drag washer specifically designed for fishing reels.
2. **Reel body of double bearing reel** - This patent outlines a reel body that consists of a pair of side plates, two connecting members, and a fishing rod installation portion. The side plates define a cylindrical space and possess outer surfaces shaped through precise lathe cutting, ensuring a perfect circular form. The design allows for enhanced integration with the fishing rod, improving overall usability.
Career Highlights
Hitoshi Katayama has had an impressive career, notably working with Shimano Industrial Co., Ltd., a well-known name in the fishing industry. His contributions at this company have played a vital role in advancing fishing technology and improving user experience for enthusiasts and professionals alike.
Collaborations
Throughout his career, Hitoshi has collaborated with talented coworkers, including Hiroshi Hasegawa and Teruhisa Kondo. Their teamwork has undoubtedly fostered an environment of creativity and innovation, leading to successful patent applications and the enhancement of fishing equipment design.
Conclusion
Hitoshi Katayama's inventive spirit and commitment to excellence in fishing gear technology are reflected in his patents and collaborative efforts. As a leading figure in the fishing equipment domain, his work continues to influence budding inventors and enhance fishing practices across the globe.