Wakayama, Japan

Mitsuhiko Itojima


Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 52(Granted Patents)


Location History:

  • Naga, JP (1995 - 1996)
  • Naga-gun, JP (1998)
  • Wakayama, JP (1995 - 1999)
  • Wakayama-ken, JP (1998 - 1999)

Company Filing History:


Years Active: 1995-1999

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12 patents (USPTO):Explore Patents

Title: Innovations of Mitsuhiko Itojima: A Pioneer in Dust Removal and Photo-Processing

Introduction: Mitsuhiko Itojima, an esteemed inventor based in Wakayama, Japan, has made significant contributions to the fields of photography and image processing. With a total of 12 patents to his name, Itojima's work is characterized by innovative solutions aimed at improving the quality and efficiency of photographic processes.

Latest Patents: Among his recent patents are two notable inventions: the Dust Removing Apparatus and the Photo-Processing Apparatus. The Dust Removing Apparatus is designed to remove dust from photographic film using cylindrical rotatable dust removing members placed both above and below the film. This system includes a dust take-off member, which collects dust from the dust removing members. Notably, these removing members can be brushes or adhesive surfaces, and they are moveable between a dust removing position and a non-dust removing position. The Photo-Processing Apparatus features a mechanism that allows an enlargement lens to be retracted and temporarily stored for cleaning. This design enables easy access to the lens surface while ensuring effective maintenance and cleanliness.

Career Highlights: Mitsuhiko Itojima has spent a substantial part of his career at Noritsu Koki Co., Ltd., a well-regarded company in the imaging solutions industry. His innovative spirit and dedication to enhancing photographic technology have positioned him as a leader in his field.

Collaborations: Throughout his career, Itojima has collaborated with notable colleagues, such as Hiroshi Miyawaki and Keiji Morimoto. These partnerships have facilitated a dynamic exchange of ideas and contributed to the successful development of cutting-edge technologies in photographic processing.

Conclusion: Mitsuhiko Itojima's inventions reflect a commitment to advancing the photography industry. His patents, including the Dust Removing Apparatus and the Photo-Processing Apparatus, demonstrate his innovative approach to solving common challenges in photo care and maintenance. As his work continues to influence the industry, Itojima remains a key figure in the world of photography and imaging technology.

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