Naoto Yanagihara

This inventor holds 26 USPTO granted patents, primarily in Heat-Sensitive Materials. Top assignees: Fuji Photo Film Company, Limited, Fujifilm Corporation. Active years: 1989-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoto Yanagihara. Retrieved from https://idiyas.com/inventor/naoto-yanagihara

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

USPTO Granted Patents = 26

% Patents Active = 80.8

Average Co-Inventor Count = 3.7

ph-index = 5

Forward Citations = 157(Granted Patents)

Location History:

Shizuoaka, JP (1997)
Shizuoka, JP (1989 - 1999)
Shizuoka-ken, JP (1999 - 2007)

Company Filing History:

25 out of 16,458

Fuji Photo Film Company, Limited

Years Active: 1989-2007

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Areas of Expertise:

Recording Material

Microcapsule

Heat-Sensitive

Guanidine Compound

Hydrazone Dye

Photosensitive Compound

Optical Image

Indolylazaphthalides

Pyrrolo Compound

Aluminate Complex

Light-Sensitive

Thermal Recording

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7205083 - Recording material (2007-04-17),

2. 7025912 - Microcapsule and manufacturing method thereof (2006-04-11),

3. 6890880 - Heat-sensitive recording material (2005-05-10),

4. 6787502 - Guanidine compound and heat sensitive recording material (2004-09-07),

5. 6720421 - PHENYLURETHANE COMPOUNDS AND METHODS FOR PRODUCING SAME, ASYMMETRIC UREA COMPOUNDS AND METHODS FOR PRODUCING SAME, BARBITURIC ACID DERIVATIVE, AND DIAZO THERMAL RECORDING MATERIAL CONTAINING THE DERIVATIVE (2004-04-13),

6. 6348529 - Guanidine compound and heat sensitive recording material (2002-02-19),

7. 6316605 - Hydrazone dye (2001-11-13),

8. 6228553 - Pyrrolo [1,2-A] pyrimidine compound and heat-sensitive recording material using the same (2001-05-08),

9. 5935757 - Heat-sensitive recording material (1999-08-10),

10. 5866293 - Heat-sensitive recording material (1999-02-02),

11. 5691271 - Indolylazaphthalides and recording materials containing the same (1997-11-25),

12. 5652082 - Photosensitive bis(halomethyloxadiazole) compound and photosensitive (1997-07-29),

13. 5595853 - Optical image forming material (1997-01-21),

14. 5576441 - Photosensitive bis(halomethyloxadiazole) compound and photosensitive (1996-11-19),

15. 5532373 - Aluminate complex and use thereof in photopolymerizable composition and (1996-07-02),

Title: Naoto Yanagihara: Innovator in Recording Materials and Microcapsules

Introduction

Naoto Yanagihara, an accomplished inventor based in Shizuoka, Japan, has made significant contributions to the fields of recording materials and microencapsulation technology. With 26 patents to his name, Yanagihara continues to push the boundaries of innovation.

Latest Patents

Among his recent inventions, Yanagihara developed a novel recording material that features a recording layer composed of a diazo compound, a coupler compound, and a metal salt. This innovative design allows for enhanced color formation, demonstrating his dedication to advancing recording technologies. Additionally, he has patented a method for creating microcapsules where the capsule wall comprises a first polymer component that is modified with a second polymer component formed from an ethylenic unsaturated bond. This innovation has potential applications in various industries, enhancing the efficacy of microencapsulated products.

Career Highlights

Throughout his career, Yanagihara has been associated with leading companies in the photography and imaging sector, including Fuji Photo Film Company and Fujifilm Corporation. His work in these organizations has been instrumental in developing products that leverage his patented technologies.

Collaborations

Yanagihara has collaborated with several talented professionals, including Ken Iwakura and Hisao Yamada. These partnerships have likely contributed to the success and impact of his innovations in the industry, facilitating advancements in imaging and encapsulation technologies.

Conclusion

Naoto Yanagihara's innovative spirit and commitment to research have positioned him as a prominent figure in technological advancements related to recording materials and microcapsules. With a robust portfolio of patents and collaborations with other experts, his work continues to inspire future innovations in these fields.

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]