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For the Inventor, By the Inventor

Hino, Japan

Wataru Fujimatsu

This inventor holds 10 USPTO granted patents. Top assignee: Konishiroku Photo Industry Co., Ltd.. Active years: 1977-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wataru Fujimatsu. Retrieved from https://idiyas.com/inventor/wataru-fujimatsu

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 5

Forward Citations = 72(Granted Patents)


Location History:

  • Hino, JA (1977)
  • Hachioji, JA (1977)
  • Hachioji, JP (1982 - 1983)
  • Hino, JP (1981 - 1985)

Company Filing History:

goldMedal10 out of 1,252 
 
Konishiroku Photo Industry Co., Ltd.
 patents

Years Active: 1977-1985

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10 patents (USPTO):Explore Patents
1. 4537824 - Magnetic recording medium (1985-08-27),
2. 4490459 - Multi-layered color photo-sensitive material (1984-12-25),
3. 4370410 - Silver halide color photosensitive material (1983-01-25),
4. 4368257 - Method for forming a cyan dye image (1983-01-11),
5. 4362810 - Method for forming a cyan dye image (1982-12-07),
6. 4314023 - Photographic silver halide materials containing yellow coupler (1982-02-02),
7. 4304845 - Silver halide photographic materials containing photographic yellow (1981-12-08),
8. 4299914 - Method for forming a cyan dye image (1981-11-10),
9. 4012258 - Process for forming color photographic images (1977-03-15),
10. 4008086 - Silver halide emulsion containing photographic yellow coupler (1977-02-15),

Title: Wataru Fujimatsu: Innovator in Magnetic Recording and Photo-sensitive Materials

Introduction

Wataru Fujimatsu is a prominent inventor based in Hino, Japan. He has made significant contributions to the fields of magnetic recording and photo-sensitive materials. With a total of 10 patents to his name, Fujimatsu's work has had a considerable impact on technology and innovation.

Latest Patents

Fujimatsu's latest patents include a magnetic recording medium that features a non-magnetic support layer, a magnetic layer, and at least one layer of a high-molecular weight boron-containing compound. This innovative design enhances the performance of magnetic recording devices. Another notable patent is for a multi-layered color photo-sensitive material. This invention consists of a support with multiple photosensitive silver halide emulsion layers, each containing non-diffusible couplers that react with color developing agents to improve image quality.

Career Highlights

Fujimatsu is currently associated with Konishiroku Photo Industry Co., Ltd., where he continues to push the boundaries of technology. His work has been instrumental in advancing the capabilities of photographic materials and magnetic recording technologies.

Collaborations

Fujimatsu has collaborated with notable coworkers such as Tamotsu Kojima and Takaya Endo. Their combined expertise has contributed to the successful development of innovative products in their field.

Conclusion

Wataru Fujimatsu is a distinguished inventor whose work in magnetic recording and photo-sensitive materials has made a lasting impact on technology. His patents reflect a commitment to innovation and excellence in his field.

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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