IDiyas

For the Inventor, By the Inventor

Nishinomiya, Japan

Hitoshi Koshida

USPTO Granted Patents = 15


Average Co-Inventor Count = 5.7

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Nishinomiya, JP (1990 - 1994)
  • Hyougo, JP (1994)
  • Hyogo, JP (1994 - 1995)
  • Hyougo-ken, JP (1996)

Company Filing History:

goldMedal15 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal2 out of 3,192 
 
Dai Nippon Printing Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1990-1996

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15 patents (USPTO):Explore Patents
1. 5567470 - Heat-sensitive transfer sheet containing blue dyestuff (1996-10-22),
2. 5387686 - Dye for heat-sensitive transfer record and ink composition for (1995-02-07),
3. 5359075 - Quinophthalone compound (1994-10-25),
4. 5358536 - Dyestuff for heat-sensitive transfer record and transfer sheet (1994-10-25),
5. 5302573 - Transfer sheet for sublimation recording (1994-04-12),
6. 5300475 - Sublimation thermal transfer printing sheet comprising novel magenta (1994-04-05),
7. 5296445 - Dye for heat-sensitive transfer record, ink composition for (1994-03-22),
8. 5183474 - Heat-sensitive sublimation transfer cyan dye and transfer sheet (1993-02-02),
9. 5182395 - Isopropyl 1-amino-4-m-toluidinoanthraquinone-2-carboxylate (1993-01-26),
10. 5168093 - Sublimation thermaltransfer printing sheet comprising novel magenta (1992-12-01),
11. 5122160 - Benzoquinone dye, rope-dyeing dye compositions, cotton rope-dyeing (1992-06-16),
12. 5061290 - Rope dyeing process using halogen indigo derivative and dyed article (1991-10-29),
13. 5034016 - Dye compositions for dyeing denim cotton yarn in a range of colors and (1991-07-23),
14. 5002925 - Isopropyl 1-amino-4-m-toluidinoanthraquinone-2-carboxylate, cyan (1991-03-26),
15. 4954410 - Color toner composition (1990-09-04),

Title: The Innovative Journey of Hitoshi Koshida in Patent Development

Introduction

Hitoshi Koshida, an influential inventor based in Nishinomiya, Japan, has made significant contributions to the field of dye technology and heat-sensitive transfer sheets. With an impressive portfolio of 15 patents, Koshida’s innovations highlight the intersection of chemistry and practical applications in various industries.

Latest Patents

Among his latest inventions, Koshida has introduced a heat-sensitive transfer sheet containing a unique blue dyestuff. This dyestuff is characterized by a specific formula where adaptable chemical groups allow for versatility in application. Additionally, he has developed a dyestuff for heat-sensitive transfer records, which can be represented by a comprehensive formula showcasing its varied chemical constituents. These patents embody the advancements in dye technology that can be applied in various printing and transfer processes.

Career Highlights

Koshida's career is marked by notable stints at Mitsui Toatsu Chemicals, Incorporated and Dai Nippon Printing Co., Ltd. His work in these companies has played a crucial role in enhancing material properties and expanding the applications of heat-sensitive technologies in commercial products. His innovative spirit has made a lasting impact on the chemical engineering industry.

Collaborations

Throughout his professional journey, Koshida has collaborated with esteemed colleagues such as Keisuke Takuma and Tsukasa Ohyama. These partnerships have facilitated the exchange of ideas and innovation, contributing to the successful conception and realization of his patents.

Conclusion

Hitoshi Koshida’s remarkable achievements in the realm of inventions underscore his role as a key player in advancing dye technology. With a focus on practical applications and collaborative efforts, his work continues to inspire future innovations in material science and related fields.

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