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For the Inventor, By the Inventor

Hino, Japan

Masaru Kanbe

This inventor holds 11 USPTO granted patents. Top assignee: Konishiroku Photo Industry Co., Ltd.. Active years: 1977-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Kanbe. Retrieved from https://idiyas.com/inventor/masaru-kanbe

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 5

Forward Citations = 63(Granted Patents)


Location History:

  • Hachioji, JA (1977)
  • Hino, JA (1977)
  • Sagamihara, JP (1978)
  • Hino, JP (1978 - 1981)
  • Hachioji, JP (1983)

Company Filing History:

goldMedal11 out of 1,252 
 
Konishiroku Photo Industry Co., Ltd.
 patents

Years Active: 1977-1983

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11 patents (USPTO):Explore Patents
1. 4421846 - Photographic element with reducible metal complex that releases (1983-12-20),
2. 4256831 - Light-sensitive photographic element comprising a magenta image (1981-03-17),
3. 4247629 - Light-sensitive photographic element comprising a cyan image (1981-01-27),
4. 4229523 - Method of undercoating treatment of polyester films for photographic (1980-10-21),
5. 4225708 - 2-Sulfamoyl-5-sulfamido-1-naphthols (1980-09-30),
6. 4197129 - Plastic support having improved adhesivness to material to be bonded (1980-04-08),
7. 4192683 - Photographic light-sensitive material (1980-03-11),
8. 4128426 - Process for subbing photographic hydrophobic films (1978-12-05),
9. 4113918 - Undercoat-applied plastic films (1978-09-12),
10. 4010036 - Lith-type silver halide photosensitive material containing a (1977-03-01),
11. 4010034 - Method for adjusting the bromide ion concentration in a photographic (1977-03-01),

Title: The Innovative Contributions of Masaru Kanbe

Introduction

Masaru Kanbe is a prominent inventor based in Hino, Japan, known for his significant contributions to the field of photography. With a total of 11 patents to his name, Kanbe has made remarkable advancements in photographic technology.

Latest Patents

Among his latest patents, Kanbe has developed a photographic element with a reducible metal complex that releases a diffusible photographically useful group. This innovative complex contains at least one poly-dentate ligand capable of being activated under alkaline conditions. Another notable patent involves a light-sensitive photographic element that comprises a support and at least one light-sensitive silver halide emulsion layer. This element is associated with a magenta image dye-providing compound that releases a magenta dye or a precursor corresponding to the imagewise exposure of the emulsion layer.

Career Highlights

Kanbe has dedicated his career to advancing photographic technology, working at Konishiroku Photo Industry Co., Ltd. His work has significantly impacted the industry, leading to improved photographic elements that enhance image quality and processing efficiency.

Collaborations

Throughout his career, Kanbe has collaborated with notable colleagues, including Jiro Takahashi and Ryuichiro Kobayashi. These collaborations have fostered innovation and contributed to the development of cutting-edge photographic technologies.

Conclusion

Masaru Kanbe's innovative work in the field of photography has led to significant advancements and numerous patents. His contributions continue to influence the industry and inspire future innovations.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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