Company Filing History:

12 out of 1,252

Konishiroku Photo Industry Co., Ltd.

Years Active: 1983-2001

Loading Chart...

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6242609 - Method for manufacturing a color coupler used in a silver halide photographic light-sensitive material (2001-06-05),

2. 6010809 - Silver halide light-sensitive color photographic material (2000-01-04),

3. 5376514 - Silver halide photosensitive materials (1994-12-27),

4. 5158856 - Silver halide photographic light-sensitive material capable of providing (1992-10-27),

5. 5100773 - Silver halide color photographic light-sensitive material containing (1992-03-31),

6. 4994361 - Silver halide color photographic light-sensitive material (1991-02-19),

7. 4977063 - Silver halide photographic light-sensitive material capable of obtaining (1990-12-11),

8. 4873183 - Silver halide color photographic light-sensitive material containing (1989-10-10),

9. 4840882 - Heat developable color light-sensitive material (1989-06-20),

10. 4770989 - Heat-developable color photosensitive element (1988-09-13),

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

12. 4692529 - Method for synthesizing a magenta coupler by selectively etherifying (1987-09-08),

13. 4643917 - Heat-sensitive transfer recording medium (1987-02-17),

14. 4623580 - Thermal transfer recording medium (1986-11-18),

15. 4617224 - Thermal transfer recording medium (1986-10-14),

Title: The Innovative Journey of Fumio Ishii

Introduction

Fumio Ishii, a notable inventor based in Hino, Japan, has made significant contributions to the field of photography through his innovative inventions. With a remarkable portfolio of 20 patents, Ishii has established himself as a prominent figure in the realm of photographic materials.

Latest Patents

Among his latest innovations are methods for manufacturing color couplers used in silver halide photographic light-sensitive materials. His work on silver halide light-sensitive color photographic materials includes a unique composition featuring thermotropic low molecular crystals. This advancement has notably improved the light fastness of dye images and the efficiency of dye formation.

Career Highlights

Throughout his career, Ishii has been associated with renowned companies such as Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His work at these leading firms has greatly influenced the development of advanced photographic technologies and materials.

Collaborations

Ishii has had the privilege of collaborating with talented professionals in his field, including his coworker Kunihiro Koshizuka. Together, they have contributed to the progression of photographic innovations that continue to impact the industry.

Conclusion

Fumio Ishii's dedication to innovation and excellence in photography has been recognized through his numerous patents and contributions to leading companies. His ongoing efforts not only reflect his personal commitment to the field but also significantly enhance the quality and efficiency of photographic materials used today.

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com

Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.