Tadaaki Tani

This inventor holds 15 USPTO granted patents, primarily in Silver Halide Photography. Top assignee: Fuji Photo Film Company, Limited. Active years: 1976-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadaaki Tani. Retrieved from https://idiyas.com/inventor/tadaaki-tani

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

Calculating rank

USPTO Granted Patents = 15

% Patents Active = 93.3

Average Co-Inventor Count = 1.7

ph-index = 6

Forward Citations = 86(Granted Patents)

Location History:

Kanagawa, JA (1977)
Minami-ashigara, JA (1976 - 1978)
Kanagawa, JP (1986 - 2006)

Company Filing History:

15 out of 16,458

Fuji Photo Film Company, Limited

patents

Years Active: 1976-2006

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Areas of Expertise:

Silver Halide

Photographic Emulsion

Spectral Sensitization

Photothermographic Material

Color Photographic Material

Light-Sensitive Materials

Manufacturing Process

Supersensitization

Cubic Grains

Direct Reversal

Fine Grain Emulsion

Halogen Substituted Benzotriazoles

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7153642 - Silver halide photographic emulsion and photothermographic material using the same (2006-12-26),

2. 5500336 - Silver halide photographic material (1996-03-19),

3. 5192653 - Method for spectrally sensitizing silver halide photographic emulsions (1993-03-09),

4. 4908303 - Silver halide photographic materials spectrally sensitized with luminous (1990-03-13),

5. 4900656 - Silver halide color photographic material (1990-02-13),

6. 4828972 - Method for manufacturing silver halide emulsion (1989-05-09),

7. 4741995 - Silver halide color photographic light-sensitive material (1988-05-03),

8. 4693965 - Method for manufacturing a silver halide emulsion (1987-09-15),

9. 4683193 - Process for producing silver halide photographic emulsion (1987-07-28),

10. 4574115 - Silver halide light-sensitive materials having a layer of grains having (1986-03-04),

11. 4097284 - Method for supersensitizing silver halide photographic emulsions (1978-06-27),

12. 4088494 - Sulfur-sensitized AgX emulsion containing cubic AgX grains and a (1978-05-09),

13. 4078937 - Process for sensitizing a fine grain silver halide photographic emulsion (1978-03-14),

14. 4030927 - Supersensitizing combinations of halogen substituted benzotriazoles and (1977-06-21),

15. 3970459 - Process for developing a direct reversal silver halide photographic (1976-07-20),

Title: Tadaaki Tani: Innovator in Photographic Technology

Introduction

Tadaaki Tani is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of photographic technology, holding a total of 15 patents. His work has advanced the development of photographic materials, particularly in the realm of silver halide emulsions.

Latest Patents

Tani's latest patents include innovations such as a high silver iodide photographic emulsion. This emulsion is characterized by its high sensitivity and narrow size distribution, featuring a silver iodide content of 90 mol % or more. The average grain size and average crystallite size of the silver halide emulsion grains in this invention satisfy the relationship of 1 ≤ R/r < 2. Another notable patent is for a silver halide photographic material that comprises a support with at least one silver halide emulsion layer. This layer contains a silver halide emulsion that has been treated with a solid adsorbent, which is a porous organic synthetic resin, to desorb previously added dyes.

Career Highlights

Tadaaki Tani has spent a significant part of his career at Fuji Photo Film Company, Limited. His work at this esteemed company has allowed him to push the boundaries of photographic technology and contribute to the advancement of the industry.

Collaborations

Throughout his career, Tani has collaborated with notable colleagues, including Mikio Ihama and Sadanobu Shuto. These collaborations have fostered innovation and have been instrumental in the development of new photographic technologies.

Conclusion

Tadaaki Tani's contributions to photographic technology through his patents and collaborations have made a lasting impact on the industry. His innovative spirit continues to inspire advancements in photographic materials and techniques.

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]