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For the Inventor, By the Inventor

Rochester, NY, United States of America

Harold T Thomas

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.6

ph-index = 8

Forward Citations = 205(Granted Patents)


Company Filing History:

goldMedal10 out of 21,594 
 
Eastman-kodak Company
 patents

Years Active: 1980-1990

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10 patents (USPTO):Explore Patents
1. 4980262 - Producing a replicate video disc by a method of photographic contact (1990-12-25),
2. 4783393 - Dye mixtures and optical recording elements containing same (1988-11-08),
3. 4584258 - Recording and information record elements comprising telluropyrlium dyes (1986-04-22),
4. 4446223 - Recording and information record elements comprising oxoindolizine and (1984-05-01),
5. 4415621 - Use of .alpha.,.alpha.-bis(dialkylaminobenzylidene) ketone dyes in (1983-11-15),
6. 4380769 - Element for recording by thermal deformation (1983-04-19),
7. 4340655 - Thermal and mechanical barrier layers for optical recording elements (1982-07-20),
8. 4270130 - Thermal deformation record device with bleachable dye (1981-05-26),
9. 4222070 - Recording video information on a flexible master disc (1980-09-09),
10. 4201581 - Method of providing close contact for contact printing (1980-05-06),

Title: Harold T Thomas: Innovator in Photographic Contact Printing

Introduction

Harold T Thomas is a notable inventor based in Rochester, NY (US), recognized for his contributions to the field of photographic contact printing. With a total of 10 patents to his name, Thomas has made significant advancements in the replication of video discs and optical recording technologies.

Latest Patents

One of Thomas's latest patents is focused on producing a replicate video disc by a method of photographic contact. This innovative process addresses the challenges of maintaining intimate contact over large areas during mass production. Traditional methods often struggle with dust and dirt, which can compromise the quality of contact prints. Thomas's invention allows for high-quality prints even when perfect contact is not achieved, utilizing a photosensitive material that changes its absorption properties during exposure. Another significant patent involves dye mixtures and optical recording elements, which include unique platinum compounds useful in optical recording layers.

Career Highlights

Throughout his career, Harold T Thomas has been associated with the Eastman Kodak Company, where he has played a pivotal role in developing technologies that enhance photographic processes. His work has not only contributed to the company's legacy but has also influenced the broader field of optical recording.

Collaborations

Thomas has collaborated with notable colleagues, including Dennis G Howe and Joseph J Wrobel, further enriching his innovative endeavors.

Conclusion

Harold T Thomas stands out as a significant figure in the realm of photographic technology, with his patents reflecting a commitment to innovation and quality. His contributions continue to impact the industry and inspire future advancements.

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