Location History:
- Saitama, JP (1999)
- Chichibu, JP (2002 - 2010)
Company Filing History:
20 out of 1,273 
1 out of 3 
1 out of 1,331 
Years Active: 1999-2010
Title: Innovations by Nobuyuki Kataoka: A Leader in Golf Ball Technology
Introduction: Nobuyuki Kataoka, based in Chichibu, Japan, is a notable inventor with an impressive portfolio of 21 patents. His works primarily focus on advancements in golf ball technology, showcasing his expertise in material science.
Latest Patents: One of Kataoka's latest inventions is a golf ball formulated from a unique vulcanized rubber compound. This golf ball comprises 100 parts by weight of a rubber base material, 10 to 60 parts by weight of an unsaturated carboxylic acid and/or a metal salt thereof, 0.1 to 5 parts by weight of an organosulfur compound, 5 to 80 parts by weight of an inorganic filler, and 0.1 to 3 parts by weight of an organic peroxide. The rubber base material consists of a first polybutadiene accounting for 50 to 95 wt % and a second polybutadiene accounting for 5 to 50 wt %, both synthesized using a rare earth element-based catalyst. The first polybutadiene boasts no less than 60 wt % of cis-1,4 bonds, achieving a Mooney viscosity no lower than 50, while the second contains a similar proportion of cis-1,4 bonds with a viscosity no higher than 45. This innovation is characterized by remarkable rebound resilience and excellent workability during production.
Career Highlights: Throughout his career, Nobuyuki Kataoka has contributed significantly to the field of sports equipment through his work with companies such as Bridgestone Sports Co., Ltd. and Nihon Joryu Kogyo Co., Ltd.. His technical proficiency and inventive mindset have allowed him to hold various positions that leverage his knowledge in materials and product development.
Collaborations: Kataoka has had the opportunity to work alongside esteemed colleagues in the industry, notably Atsushi Nanba and Hiroshi Higuchi. Their collaborations have led to advancements in rubber technology, particularly in golf equipment.
Conclusion: Nobuyuki Kataoka stands out in the field of sports inventions, particularly with his groundbreaking patents that enhance the performance and production of golf balls. His dedication to innovation continues to influence the sports industry, setting new standards for product development and material application.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.