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Tetsuo Igaki

This inventor holds 15 USPTO granted patents. Top assignees: Shin Nisso Kako Co., Ltd., Nippon Soda Co., Ltd., Shin Nisso Kako Cp., Ltd.. Active years: 1976-1991.

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 6

Forward Citations = 106(Granted Patents)

Location History:

Kawagoe, JA (1976)
Kawagoe, JP (1983 - 1988)
Tokyo, JP (1991)

Company Filing History:

12 out of 23

Shin Nisso Kako Co., Ltd.

patents

2 out of 517

Nippon Soda Co., Ltd.

patents

1 out of 1

Shin Nisso Kako Cp., Ltd.

patent

Years Active: 1976-1991

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5017710 - Fluoran compound and coloring recording material using it (1991-05-21),

2. 4727162 - Molecular compound of fluoran compound and ketone (1988-02-23),

3. 4695640 - Addition compound of fluoran compounds and ketone (1987-09-22),

4. 4687862 - Fluoran compounds (1987-08-18),

5. 4680598 - Chromogenic materials employing fluoran compounds (1987-07-14),

6. 4677203 - Chromogenic fluoran derivatives (1987-06-30),

7. 4668967 - Fluoran compound and color forming record materials using the same (1987-05-26),

8. 4665199 - 3-N-isobutylethylamino-6-methyl-7-phenylaminofluoran (1987-05-12),

9. 4642357 - Chromogenic recording materials (1987-02-10),

10. 4616239 - 4-hydroxy-4'-isopropoxydiphenylsulfone and its use for color-developable (1986-10-07),

11. 4613879 - Chromogenic recording materials (1986-09-23),

12. 4590498 - Chromogenic recording materials (1986-05-20),

13. 4568766 - 4-Hydroxy-4'-isopropoxydiphenylsulfone and its use for color-developable (1986-02-04),

14. 4410708 - Chromogenic fluoran derivatives and the preparation and use thereof (1983-10-18),

15. 3959571 - Chromogenic fluoran derivatives and the preparation and use thereof (1976-05-25),

Title: The Innovative Contributions of Tetsuo Igaki

Introduction

Tetsuo Igaki, hailing from Kawagoe, Japan, is a distinguished inventor known for his significant contributions to the field of molecular compounds and recording materials. With a remarkable portfolio of 15 patents, Igaki has made substantial advancements that have implications in various applications, particularly in the development of color-forming materials.

Latest Patents

Among his most recent creations are inventions pertaining to fluoran compounds. One notable patent discusses the "Molecular compound of fluoran compound and ketone," which is recognized for its utility as a color former in heat or pressure-sensitive color-developable recording materials. This innovative approach to coloring technology demonstrates Igaki's ability to blend chemistry with practical applications for enhanced material performance.

Career Highlights

Tetsuo Igaki has held prominent positions in reputable organizations, including Shin Nisso Kako Co., Ltd. and Nippon Soda Co., Ltd. His work in these companies has allowed him to contribute extensively to research and development efforts, particularly in sectors focusing on chemical manufacturing and innovative material solutions.

Collaborations

Throughout his career, Igaki has collaborated with notable professionals such as Masakichi Yahagi and Kimiaki Kinoshita. These collaborations highlight the importance of teamwork in the inventive process and the exchange of ideas that drive innovation forward.

Conclusion

Tetsuo Igaki's dedication to innovation in the field of molecular compounds and recording materials has not only resulted in numerous patents but has also paved the way for advancements in technology and practical applications in various industries. His work continues to inspire future inventors and innovators in the realm of chemistry and materials science.

Profile summary based on public USPTO records.

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