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For the Inventor, By the Inventor

Minami-ashigara, Japan

Yasushi Oishi

USPTO Granted Patents = 16

Average Co-Inventor Count = 2.1

ph-index = 8

Forward Citations = 155(Granted Patents)


Location History:

  • Kanagawa, JA (1976)
  • Minami-ashigara, JA (1976 - 1978)
  • Minami-ashigara, JP (1981 - 1983)

Company Filing History:

goldMedal16 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents

Years Active: 1976-1983

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16 patents (USPTO):Explore Patents
1. 4404274 - Photographic light sensitive element containing yellow color coupler and (1983-09-13),
2. 4324855 - Process for developing a silver halide emulsion (1982-04-13),
3. 4323635 - Direct reversal photographic color material (1982-04-06),
4. 4269936 - Process of forming yellow photographic images (1981-05-26),
5. 4090211 - Self-developing camera and film pack therefore (1978-05-16),
6. 4069048 - Diffusion transfer photographic materials with color developer scavenger (1978-01-17),
7. 4052214 - Color diffusion transfer photographic light-sensitive material for (1977-10-04),
8. 4015989 - Color light-sensitive material with spontaneously developable silver (1977-04-05),
9. 3993488 - Photograhic film assembly comprising light intercepting elements located (1976-11-23),
10. 3993486 - Diffusion transfer color photographic flim unit with composite of (1976-11-23),
11. 3977877 - Film unit comprising an image receiving element and light intercepting (1976-08-31),
12. 3964905 - Color photograhic material having a bleach inhibitor therein defining a (1976-06-22),
13. 3960570 - Color photographic silver halide light-sensitive materials (1976-06-01),
14. 3935016 - Silver halide color photographic materials containing (1976-01-27),
15. 3935015 - Silver halide color photographic materials containing (1976-01-27),

Title: Yasushi Oishi: Innovator in Photographic Technology

Introduction

Yasushi Oishi is a prominent inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of photographic technology, holding a total of 16 patents. His work has advanced the development of light-sensitive materials, particularly in the realm of photography.

Latest Patents

Oishi's latest patents include a photographic light-sensitive element that contains a yellow color coupler. This invention involves a photographic light-sensitive element comprising a support and at least one silver halide emulsion layer. The layer contains an .alpha.-diacylamino substituted (aliphatic acyl) acetamide yellow dye forming coupler. This coupler is recognized as an excellent two-equivalent coupler. Another notable patent is a process for developing a silver halide emulsion. This process involves developing a light-sensitive material with an alkaline solution of a developing agent, which selectively forms latent images in the inner portions of the silver halide upon development.

Career Highlights

Yasushi Oishi is currently associated with Fuji Photo Film Company, Limited. His work at this esteemed company has allowed him to innovate and refine photographic technologies that are widely used in the industry today.

Collaborations

Oishi has collaborated with notable coworkers, including Minoru Yamada and Atsuaki Arai. Their combined efforts have contributed to the advancement of photographic materials and processes.

Conclusion

Yasushi Oishi's contributions to photographic technology through his patents and collaborations have significantly impacted the industry. His innovative spirit continues to drive advancements in light-sensitive materials and processes.

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