Junji Momoda

This inventor holds 68 USPTO granted patents and 22 published patent applications, plus 3 CIPO patents and 25 EPO patents, primarily in Photochromic Materials (CPC class C08G). Top assignees: Tokuyama Corporation, Nec Corporation. Active years: 1997-2026.

USPTO Granted Patents = 68 (Patent Applications = 22)

% Patents Active = 89.7

CIPO Patents = 3 (Patent Applications = 5)

EPO Patents = 25 (Patent Applications = 35)

Average Co-Inventor Count = 3.2

ph-index = 10

Forward Citations = 308(Granted Patents)

Forward Citations (Not Self Cited) = 263(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tokuyama, JP (1997 - 2013)
Yamaguchi, JP (2004 - 2023)
Shunan, JP (2007 - 2024)
Tsukuba, JP (2023 - 2024)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1997-2026

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Areas of Expertise:

Curable Composition

Photochromic Compound

Optical Materials

Polyrotaxane

Functional Lens

Laminated Body

Adhesive Composition

Cured Product

Urethane Resin

Chromene Compound

Photocurable Resin

Optical Article

68 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12699208 - Photochromic compound, photochromic curable composition, cured body, lens and eyeglasses (2026-08-04),

2. 12624048 - Photochromic cyclic compound and curable composition containing the photochromic cyclic compound (2026-05-12),

3. 12609210 - Curable composition and cured body of same (2026-04-21),

4. 12570894 - Photochromic compound and curable composition containing the photochromic compound (2026-03-10),

5. 12552745 - Compound for optical materials, curable composition, cured body, and optical article (2026-02-17),

6. 12428517 - Moisture curable polyurethane composition and laminate (2025-09-30),

7. 12428390 - Chromene compound and photochromic optical article (2025-09-30),

8. 12297388 - Photochromic hydroxyurethane compound (2025-05-13),

9. 12287450 - Functional laminate and functional lens comprising the functional laminate (2025-04-29),

10. 12222587 - Method of producing a plastic lens having a coating layer (2025-02-11),

11. 12077623 - Curable composition for optical materials, and optical material (2024-09-03),

12. 12065590 - Adhesive composition, laminate and optical article comprising the laminate (2024-08-20),

13. 12054568 - Optical material composition and optical material (2024-08-06),

14. 11988808 - Functional laminate and functional lens comprising the functional laminate (2024-05-21),

15. 11976149 - Curable composition for optical materials, and optical material (2024-05-07),

Title: The Innovative Mind of Junji Momoda: Pioneering Patents in Shunan

Introduction:

Junji Momoda, a prolific inventor hailing from Shunan, Japan, has made a significant mark in the field of optical compositions and photochromic compounds.

Latest Patents:

Momoda's recent patents include a primer composition for optical articles, featuring a urethane prepolymer, a light absorbing compound, and an organic solvent. Additionally, his work on a photochromic compound with high solubility and a curable composition containing the same showcases his pioneering spirit.

Career Highlights:

With an impressive portfolio of 53 patents, Momoda's contributions have revolutionized the industry. He has worked with leading companies such as Tokuyama Corporation and NEC Corporation, where his innovative ideas have garnered recognition and acclaim.

Collaborations:

Throughout his career, Momoda has collaborated with talented individuals such as Junji Takenaka and Shinobu Izumi, enriching the innovative landscape with diverse perspectives and expertise.

Conclusion:

In conclusion, Junji Momoda's inventive spirit and dedication to pushing the boundaries of technology have solidified his position as a trailblazer in the realm of optical compositions and photochromic compounds. His work continues to inspire and shape the future of innovation in the industry.