Kanagawa, Japan

Kanji Tokuda


Average Co-Inventor Count = 1.2

ph-index = 9

Forward Citations = 272(Granted Patents)


Location History:

  • Minami-ashigara, JP (1980 - 1982)
  • Kaisei, JP (1984)
  • Kanagawa, JP (1984 - 1998)
  • Kaisei-machi, JP (1997 - 1999)

Company Filing History:


Years Active: 1980-1999

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34 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kanji Tokuda

Introduction: Kanji Tokuda, hailing from Kanagawa, Japan, is a distinguished inventor known for his 34 patents that showcase his exceptional contributions to the field of photographic technology. His inventions are geared towards enhancing light source efficiency and improving the quality of photographic prints.

Latest Patents: Among his latest innovations is the "Illuminating Light Source Apparatus for Photographic Printer." This apparatus is compact and inexpensive, designed to maximize light source efficiency by reusing infrared rays emitted from a lamp. The unique design ensures that the lamp replacements do not affect the characteristics of color and quality. By utilizing a total internal reflection reflector, all light components emitted from the filament are harnessed efficiently. The infrared component is redirected back to the filament, significantly enhancing heating efficiency, which ultimately allows for a high-intensity visible light source with lower power consumption.

Another noteworthy invention is the "Apparatus for Recording Information on Printing of Photographs." This information recording apparatus includes a lookup table that correlates key codes with 2401 combinations of density and color correcting data. This data aids in producing accurate and high-quality prints based on initial exposures. The key code is imprinted onto the photoprint, facilitating the use of exposure correcting information in subsequent photographic print jobs.

Career Highlights: Kanji Tokuda's career is marked by his tenure at Fuji Photo Film Company, Limited, where he has contributed significantly to advancements in photographic technology. His work not only demonstrates technical ingenuity but also reflects a commitment to enhancing the photographic printing process.

Collaborations: Throughout his career, Kanji has collaborated with fellow innovators such as Yoshihiko Saeki and Kiichiro Sakamoto, fostering a creative environment that promotes the development of groundbreaking technologies in the photography industry.

Conclusion: Kanji Tokuda stands out as a remarkable inventor whose patents have revolutionized the field of photographic printing. His innovative spirit and technical expertise continue to drive advancements in the industry, making him a notable figure in the realm of invention and innovation.

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