Company Filing History:

12 out of 1,252

Konishiroku Photo Industry Co., Ltd.

Years Active: 1985-1998

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5753017 - Ink jet recording ink and recording method employing the same (1998-05-19),

2. 5707792 - Silver halide photographic light sensitive material (1998-01-13),

3. 5612282 - Dye and heat sensitive transfer material comprising the same (1997-03-18),

4. 5476943 - Dye and heat sensitive transfer material comprising the same (1995-12-19),

5. 5432144 - Thermal-transfer recording material and a thermal-transfer recording (1995-07-11),

6. 5212146 - Heat-sensitive transfer recording material (1993-05-18),

7. 5032497 - Silver halide color photo-sensitive material (1991-07-16),

8. 4987049 - Image-receiving element for heat transfer type dye image (1991-01-22),

9. 4840886 - Silver halide color photographic material containing a 1h-pyrazole (1989-06-20),

10. 4791052 - Silver halide photographic light-sensitive material (1988-12-13),

11. 4695533 - Silver halide photographic light-sensitive material (1987-09-22),

12. 4675280 - Silver halide color photographic material containing a 1H-pyrazolo [3,2-C]- (1987-06-23),

13. 4665015 - Silver halide color photographic material containing a magenta coupler (1987-05-12),

14. 4609619 - Light-sensitive silver halide color photographic material (1986-09-02),

15. 4607002 - Silver halide color photo-sensitive material (1986-08-19),

Title: Katsunori Katoh: Innovator in Ink Jet Technology and Photographic Materials

Introduction

Katsunori Katoh, an esteemed inventor based in Hino, Japan, has made significant contributions to the fields of ink jet technology and photographic materials. With a remarkable portfolio of 19 patents, Katoh's work reflects a commitment to advancing innovation in these industries.

Latest Patents

Among his latest patents are groundbreaking advancements in ink jet recording inks and methods of using them. One of his notable inventions involves a recording method that employs a specific ink jet recording ink ejected onto an ink-receiving material. This ink features a dye represented by a distinct chemical formula, enhancing the quality and efficiency of the printing process. Another of his recent patents focuses on silver halide photographic light-sensitive materials, which incorporates a support structure that features photographic component layers, notably including a silver halide emulsion layer. This invention utilizes a leuco dye, further improving the performance of photographic materials.

Career Highlights

Katoh has an impressive career, having worked with prominent companies such as Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His work at these organizations has allowed him to push the boundaries of innovation, especially in the realm of imaging technologies.

Collaborations

Throughout his career, Katsunori Katoh has collaborated with talented colleagues like Noritaka Nakayama and Satoshi Kawakatsu. These collaborations have undoubtedly contributed to the depth and breadth of his inventions, fostering an environment of creativity and shared knowledge.

Conclusion

With a substantial legacy of 19 patents, Katsunori Katoh stands out as a leading figure in ink jet technology and photographic materials. His innovations continue to influence the industry, paving the way for future advancements in these vital fields.

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