Company Filing History:

38 out of 16,458

Fuji Photo Film Company, Limited

patents

1 out of 9

Fujifilm Finechemicals Co., Ltd.

patents

1 out of 382

Meiji Seika Kaisha, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1981-2007

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39 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 7161022 - Process for producing 4-phenyl-4-oxo-2-butenoic ester derivative (2007-01-09),

2. 5180652 - Light- and heat-sensitive composition, and recording material (1993-01-19),

3. 4910128 - Silver halide color photographic material (1990-03-20),

4. 4888268 - Silver halide photographic materials comprising blocked photographic (1989-12-19),

5. 4845020 - Method of processing silver halide photographic material using an (1989-07-04),

6. 4842985 - Silver halide color photographic material (1989-06-27),

7. 4831152 - 5-halo-6-nitro-2-substituted benzoxazole compounds (1989-05-16),

8. 4772537 - Silver halide photographic materials containing a photographic reagent (1988-09-20),

9. 4743595 - Process for preparing 2-amino-5-nitrophenol derivatives (1988-05-10),

10. 4740453 - Silver halide photosensitive material containing a compound capable of (1988-04-26),

11. 4734357 - Silver halide color light sensitive material (1988-03-29),

12. 4734353 - Methods using oximes for processing a silver halide photographic (1988-03-29),

13. 4724199 - Silver halide photographic light sensitive materials (1988-02-09),

14. 4711837 - Silver halide color photographic material (1987-12-08),

15. 4629683 - Processing silver halide photographic material with blocked agent and (1986-12-16),

Title: A Spotlight on Isamu Itoh: Innovator in the Field of Chemical Engineering

Introduction

Isamu Itoh, a distinguished inventor based in Kanagawa, Japan, has made a significant mark in the realm of chemical engineering with a remarkable portfolio of 39 patents. His innovative work primarily focuses on processes and materials that enhance various industrial applications, showcasing his commitment to advancing technology in his field.

Latest Patents

Among his latest innovations are two noteworthy patents. The first is a "Process for Producing 4-Phenyl-4-Oxo-2-Butenoic Ester Derivative." This process allows for the stable and cost-effective production of a 4-phenyl-4-oxo-2-butenoate derivative in high purity and on an industrial scale. The technique involves simultaneously or continuously reacting a sulfuric ester, an aromatic hydrocarbon, and a maleic anhydride derivative, demonstrating Itoh's ingenuity in streamlining chemical processes.

His second recent invention is a "Light- and Heat-Sensitive Composition, and Recording Material." This innovative composition features a photo-hardenable material paired with at least one dye. The creation also includes a light- and heat-sensitive recording material, which contains a support with the composition applied on at least one side. The invention further details an image-forming process utilizing this recording material, highlighting its applicability in various imaging technologies.

Career Highlights

Isamu Itoh's career includes significant tenures at reputable companies such as Fuji Photo Film Company, Limited and Fujifilm Finechemicals Co., Ltd. His work within these institutions not only expanded his expertise but also contributed to groundbreaking advancements in photographic and chemical technologies.

Collaborations

Throughout his career, Itoh has collaborated with renowned colleagues, including Keiji Mihayashi and Mitsunori Ono. These partnerships have facilitated the exchange of ideas and insights, further enriching the innovative projects that Itoh has contributed to.

Conclusion

Isamu Itoh stands as a prominent figure in the field of chemical engineering, with his patents significantly impacting various industrial applications. His inventive spirit and dedication to innovation have not only led to substantial advancements within his companies but have also inspired future generations of inventors in the domain of chemical engineering.

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