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For the Inventor, By the Inventor

Kawasaki, Japan

Seiji Okada

This inventor holds 18 USPTO granted patents, primarily in Optical Materials. Top assignees: Canon Kabushiki Kaisha, Fujitsu Corporation, Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 1982-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Okada. Retrieved from https://idiyas.com/inventor/seiji-okada-zdiaejwe

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

USPTO Granted Patents = 18

% Patents Active = 72.2

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 60(Granted Patents)


Location History:

  • Sagamihara, JP (1984 - 1985)
  • New Hyde Park, NY (US) (2015)
  • Pittsburgh, JP (2016)
  • Kawasaki, JP (1982 - 2022)

Company Filing History:

goldMedal8 out of 93,085 
 
Canon Kabushiki Kaisha
 patents
silverMedal7 out of 39,378 
 
Fujitsu Corporation
 patents
bronzeMedal3 out of 1,650 
 
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
 patents

Years Active: 1982-2022

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Areas of Expertise:
Photo-Curable Composition
Three-Dimensional Object
Optical Element
Organic-Inorganic Composite
Electrophotography
Turbocharger Control
Resin Manufacturing
Fine Particle Dispersion
Lens Production
Developer Materials
Engine-Brake Assistance
Optical Devices
18 patents (USPTO):Explore Patents
1. 11492441 - Blocked isocyanate, photo-curable composition, resin, and method of manufacturing three-dimensional object (2022-11-08),
2. 10961380 - Three-dimensional-forming photo-curable composition, method for producing three-dimensional article from the photo-curable composition, and resin (2021-03-30),
3. 9243098 - Compound, polymer, cross-linked compound of polymer, and optical element including cross-linked compound (2016-01-26),
4. 9223059 - Benzocyclobutene compound, organic-inorganic composite particle, cross-linked organic-inorganic composite particle, organic-inorganic composite composition, cross-linked organic-inorganic composite composition, and optical device utilizing the same (2015-12-29),
5. 8956691 - Methods for manufacturing organic-inorganic composite particles, optical material, optical element and lens, and organic-inorganic composite particles (2015-02-17),
6. 8940810 - Optical component, electronic board, method for producing the optical component, and method for producing the electronic board (2015-01-27),
7. 8735501 - Composition, method for manufacturing the same, optical element, lens (2014-05-27),
8. 7947125 - Fine particle dispersion liquid containing tantalum oxide fine particles, tantalum oxide fine particle-resin composite, and method of producing fine particle dispersion liquid (2011-05-24),
9. 6067798 - Turbocharger control apparatus and a control method of turbocharger with (2000-05-30),
10. 6062025 - Auxiliary brake system (2000-05-16),
11. 5992376 - Engine-brake assisting system (1999-11-30),
12. 4555466 - Developer comprising a carrier coated with Fe.sub.3 O.sub.4 dispersed in (1985-11-26),
13. 4522909 - Process for preparing electrostatic developer (1985-06-11),
14. 4513075 - Developer materials for electrostatic images (1985-04-23),
15. 4455361 - Process for preparing developer materials for electrostatic images (1984-06-19),

Title: Seiji Okada: Innovator in Photo-Curable Compositions for 3D Manufacturing

Introduction

Seiji Okada, an accomplished inventor based in Kawasaki, Japan, holds an impressive portfolio of 18 patents. He has made significant contributions to the field of materials science, particularly in the development of photo-curable compositions aimed at advancing three-dimensional manufacturing technologies.

Latest Patents

Among his latest patents, Seiji has developed a blocked isocyanate and a photo-curable composition that excels in stiffness, strength, and toughness. This innovative photo-curable composition incorporates a blocked isocyanate represented by a specific general formula, a chain extender, and a photo-radical generator. Furthermore, his work on a three-dimensional-forming photo-curable composition includes a (meth)acrylic compound with a (meth)acryloyl group, a photo-radical generator, and a polyrotaxane containing cyclic molecules, enhancing the material's structural capabilities in creating robust three-dimensional objects.

Career Highlights

Seiji Okada has forged a notable career working with renowned companies such as Canon and Fujitsu. His roles in these organizations have not only allowed him to innovate but also to lay a foundation for practical applications of his research in commercial settings.

Collaborations

Throughout his career, Seiji has collaborated with esteemed colleagues, including Toshiaki Narusawa and Hirofumi Okuyama. These partnerships have propelled his research forward, contributing to the development of advanced materials and manufacturing techniques.

Conclusion

In conclusion, Seiji Okada's innovative spirit and technical expertise have not only resulted in a prolific number of patents but have also paved the way for breakthrough advancements in the field of three-dimensional object manufacturing. His ongoing contributions continue to influence the materials science sector and hold promise for future applications.

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]
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