Usaji Takaki

This inventor holds 29 USPTO granted patents, primarily in Polymer Chemistry. Top assignees: Mitsui Chemicals, Inc., Mitsui Toatsu Chemicals, Incorporated. Active years: 1978-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Usaji Takaki. Retrieved from https://idiyas.com/inventor/usaji-takaki

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

USPTO Granted Patents = 29

% Patents Active = 96.6

Average Co-Inventor Count = 5.1

ph-index = 6

Forward Citations = 173(Granted Patents)

Location History:

Kamakura, JA (1978)
Fujisawa, JP (1987 - 2000)
Kanagawa, JP (1990 - 2003)
Kanagawa-ken, JP (1999 - 2005)

Company Filing History:

16 out of 1,816

Mitsui Chemicals, Inc.

patents

13 out of 1,379

Mitsui Toatsu Chemicals, Incorporated

patents

Years Active: 1978-2005

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Areas of Expertise:

Poly(Alkylene Oxide)

Phosphine Oxides

Epoxy-Resin Composition

Polyoxyalkylene Polyols

Phosphazenium Salt

Flexible Polyurethane Foam

Cinnamic Acid

Indigo Compounds

Aromatic Isocyanates

Polymerization Catalyst

Cinnamate Ester

Block Copolymers

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6936684 - Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound (2005-08-30),

2. 6528599 - Method for preparing living polymer in the presence of phosphazenium salt (2003-03-04),

3. 6444847 - Process for preparing phosphine oxides and process for purifying the same (2002-09-03),

4. 6310147 - Epoxy-resin composition and use thereof (2001-10-30),

5. 6303815 - Process for preparing phosphine oxides and process for purifying the same (2001-10-16),

6. 6297332 - Epoxy-resin composition and use thereof (2001-10-02),

7. 6255537 - Process for preparing poly(alkylene oxide) (2001-07-03),

8. 6207794 - Polyoxyalkylene polyols, derivatives thereof, and process for producing the polyoxyalkylene polyols (2001-03-27),

9. 6177593 - [Tris(dimethylamino)phosphonioamino]tris[tris(dimethylamino)phosphoranylideneamino]phosphonium dichloride and preparation process thereof (2001-01-23),

10. 6153794 - Phosphine sulfide, a manufacturing process therefor and use thereof (2000-11-28),

11. 6130346 - Process for preparing an organic compound from an oxirane-containing (2000-10-10),

12. 6090980 - Preparation process of iminotris ( Dimethylamino) phosphorane (2000-07-18),

13. 6077930 - Preparation process of polymer (2000-06-20),

14. 6063825 - Flexible polyurethane foam with high durability (2000-05-16),

15. 6022945 - Process for production of propylene oxide/ethylene oxide block copolymers (2000-02-08),

Title: The Innovative Journey of Usaji Takaki

Introduction: Usaji Takaki, a pioneering inventor hailing from Fujisawa, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Takaki's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions for urban environments.

Career Highlights: With a career spanning over three decades, Takaki has worked with leading tech companies in Japan, spearheading research and development projects that have led to numerous successful patent applications.

Collaborations: Throughout his career, Takaki has collaborated with top researchers from universities and research institutions worldwide, fostering a culture of innovation and knowledge sharing in the tech industry.

Conclusion: Usaji Takaki's relentless pursuit of innovation and his commitment to pushing the boundaries of technology make him a true visionary in the field of inventions.

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]