Osaka, Japan

Takao Saijo


Average Co-Inventor Count = 3.0

ph-index = 6

Forward Citations = 91(Granted Patents)


Location History:

  • Mitaka, JA (1977)
  • Mitaka, JP (1979)
  • Matsudo, JP (1981)
  • Tokyo, JP (1987)
  • Tama, JP (1986 - 1989)
  • Osaka, JP (1989 - 1990)

Company Filing History:


Years Active: 1977-1990

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11 patents (USPTO):Explore Patents

Title: The Innovative Journey of Takao Saijo

Introduction: Takao Saijo, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of imaging technology with a total of 11 patents to his name. His work showcases creativity and technical expertise, particularly in the development of advanced reader-printers and image projecting apparatuses.

Latest Patents: Among his notable inventions, Saijo's latest patents include a reader-printer equipped with an image size judging function. This innovative device utilizes a multitude of sensors to determine the size of desired images retrieved from a variety of images stored on microfilm. These sensors, arranged along the film transport direction, allow for precise detection within a predetermined area.

Additionally, Saijo's patent for an image projecting apparatus features a microfilm strip that carries a sequence of image frames, each separated by a margin. This apparatus includes a viewing screen for displaying reproduced images, reels and motors to facilitate the travel of the microfilm strip, and an optical system to project the images. A photoelectric margin sensor enhances the apparatus by detecting light variations to control the projection, ensuring clarity and precision in image display.

Career Highlights: Takao Saijo is associated with Minolta Camera Co., Ltd., where he has leveraged his inventive spirit to push the boundaries of imaging technology. His work not only reflects the innovative ethos of the company but also influences advancements in optical systems and projection techniques.

Collaborations: Throughout his career, Saijo has collaborated with talented individuals such as Masafumi Fujita and Shiro Toriumi. Together, they have shared insights and expertise, contributing to the successful development of imaging technologies that continue to impact the field.

Conclusion: Takao Saijo's innovative contributions, particularly in the realms of reader-printers and image projection, illustrate the vital role of inventors in technology development. His patents not only advance the capabilities of imaging systems but also pave the way for future innovations in the industry.

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