Masatoshi Saito

This inventor holds 31 USPTO granted patents and 2 published patent applications and 5 EPO patents, primarily in Organic Electroluminescence. Top assignees: Idemitsu Kosan Company, Limited, Sumitomo Chemical Company, Limited. Active years: 1987-2025.

USPTO Granted Patents = 31 (Patent Applications = 2)

% Patents Active = 58.1

EPO Patents = 5 (Patent Applications = 3)

Average Co-Inventor Count = 3.8

ph-index = 5

Forward Citations = 103(Granted Patents)

Location History:

Chiba, JP (2011 - 2016)
Sodegaura, JP (2013 - 2023)
Ichihara, JP (1987 - 2024)

Company Filing History:

29 out of 2,283

Idemitsu Kosan Company, Limited

patents

2 out of 6,959

Sumitomo Chemical Company, Limited

patents

Years Active: 1987-2025

Loading Chart...

Areas of Expertise:

Organic Electroluminescent Element

Electronic Device

Compound

Organic Thin-Film Transistor

High Luminous Efficiency

Polycyclic Compounds

Heterocycle-Containing Compounds

Seven-Membered Ring Compounds

Fused Ring Compounds

Aromatic Hydrocarbon Group

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12435073 - Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device (2025-10-07),

2. 12312317 - Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device (2025-05-27),

3. 11903308 - Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device (2024-02-13),

4. 11765972 - Compound and organic electroluminescence device using the same (2023-09-19),

5. 11618722 - Compound, composition, organic electroluminescent element, and electronic appliance (2023-04-04),

6. 11489121 - Organic electroluminescent device configured to emit light with high luminous efficiency (2022-11-01),

7. 11456425 - Organic electroluminescent element, and electronic apparatus (2022-09-27),

8. 11424414 - Organic electroluminescent element, electronic device, and compound (2022-08-23),

9. 11271164 - Compound, composition, organic electroluminescent element and electronic device (2022-03-08),

10. 10968229 - Seven-membered ring compounds (2021-04-06),

11. 10689385 - Benzimidazolo[1,2-A]benzimidazole carrying aryl- or arylnitril groups for organic light emitting diodes (2020-06-23),

12. 10547009 - Organic electroluminescent element, electronic device and compound (2020-01-28),

13. 9502667 - Organic electroluminescence (2016-11-22),

14. 9011729 - Organic thin-film transistor (2015-04-21),

15. 8963128 - Compound for organic thin film transistor and organic thin film transistor using the same (2015-02-24),

Title: The Innovative Journey of Masatoshi Saito

Introduction: Masatoshi Saito, a distinguished inventor hailing from Chiba, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Masatoshi Saito's recent patents focus on advancements in artificial intelligence, robotics, and sustainable energy solutions, showcasing his commitment to driving progress in these critical areas.

Career Highlights: With a career spanning over two decades, Masatoshi Saito has held key roles in leading tech companies, where he spearheaded research and development projects that have resulted in cutting-edge inventions.

Collaborations: Throughout his career, Masatoshi Saito has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge exchange that has led to remarkable breakthroughs.

Conclusion: Masatoshi Saito's relentless pursuit of innovation and his passion for pushing the boundaries of technology continue to inspire the next generation of inventors and pave the way for a brighter, more advanced future.