Tokorozawa, Japan

Katsuo Nishimura


Average Co-Inventor Count = 2.2

ph-index = 10

Forward Citations = 295(Granted Patents)


Location History:

  • Tokorozawa, JA (1976 - 1978)
  • Iruma, JP (1981)
  • Saitama, JP (1985)
  • Tokorozawa, JP (1979 - 1987)
  • Tanashi, JP (1999)

Company Filing History:


Years Active: 1976-1999

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19 patents (USPTO):Explore Patents

Title: The Innovations of Katsuo Nishimura: A Pioneering Inventor in Timekeeping Technology

Introduction: Katsuo Nishimura, an esteemed inventor based in Tokorozawa, Japan, has made significant contributions to the field of timekeeping technology. With a prolific portfolio that includes 19 patents, Nishimura's work exemplifies the intersection of innovation and practicality in the design of modern timepieces.

Latest Patents: One of his most notable recent inventions is the "Combination display timepiece equipped with el illumination." This innovative world time watch features a liquid crystal display device that showcases both a time zone display and a time display. The time zone display indicates the time difference between a selected location and Greenwich Mean Time, while the time display reveals the local time corresponding to that difference. Surrounding the display, a printed place name list provides an intuitive reference, featuring multiple numbers that correspond to the time differences of various locations. This invention not only enhances the functionality of watches but also simplifies global timekeeping for users.

Career Highlights: Katsuo Nishimura has had a distinguished career with notable positions at Citizen Watch Company, Ltd. and Technical Research of Citizen Watch Co., Ltd. His tenure at these reputable organizations has allowed him to leverage his skills and creativity, leading to groundbreaking advancements in watch technology.

Collaborations: Throughout his career, Nishimura has worked alongside talented individuals such as Takanori Nanya and Fukuo Sekiya. These collaborations have fostered an environment of innovation and shared expertise, contributing to the development of cutting-edge timekeeping solutions.

Conclusion: Katsuo Nishimura's inventive spirit and dedication to advancing timekeeping technology have solidified his status as a leading figure in the industry. His contributions, particularly the combination display timepiece, continue to influence how we perceive and interact with time globally. With a solid foundation of patents and collaborations, Nishimura's future innovations are eagerly anticipated by both consumers and professionals alike.

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