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Kanagawa, Japan

Ohara, Inc.

USPTO Granted Patents = 95

% Expired Patents = 45.3

EPO Patents = 12

Trademarks = 6

Forward Citations = 430

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54 inventors (with patents filed for the assignee):

Toshitaka Yagi (26 out of 28 patents)

Naoyuki Goto (20 out of 65 patents)

Yutaka Yamashita (10 out of 10 patents)

4. Kazuhito Ogasa (9 out of 9 patents)

5. Jie Fu (9 out of 17 patents)

6. Kohei Ogasawara (9 out of 9 patents)

7. Michiko Ogino (7 out of 9 patents)

8. Atsushi Nagaoka (6 out of 6 patents)

9. Masahiro Onozawa (6 out of 16 patents)

10. Yuki Motoshima (6 out of 6 patents)

11. Reika Kojima (6 out of 6 patents)

12. Yasushi Inda (5 out of 9 patents)

13. Susumu Uehara (5 out of 22 patents)

14. Moriji Nozaki (5 out of 5 patents)

15. Kiyoyuki Momono (4 out of 4 patents)

Core Competencies:

Optical Glass

Crystallized Glass

Lithium Ion Conductors

Electrochemical Cells

Glass-Ceramics

Solid Electrolytes

Information Recording Medium

Battery Technology

Glass Composition

Optical Elements

Thin-Plate Glass

Manufacturing Methods

95 patents: Sort by Forward Citations

1. 12686631 - Glass and crystallized glass (2026-07-21),

2. 12565445 - Optical filter glass ceramic and optical filter (2026-03-03),

3. 12565440 - Method for producing crystallized glass member having curved shape (2026-03-03),

4. 12525645 - Lithium ion conductor precursor glass and lithium ion conductor (2026-01-13),

5. 12421166 - Chemically strengthened optical glass (2025-09-23),

6. 12312239 - Dielectric inorganic composition (2025-05-27),

7. 12276039 - Crystal of europium compound and method for producing crystal of europium compound (2025-04-14),

8. 12172922 - Method for manufacturing crystallized glass member having curved shape (2024-12-24),

9. 11926563 - Crystallized glass substrate (2024-03-12),

10. 11926562 - Crystallized glass substrate (2024-03-12),

11. 11926561 - Crystallized glass substrate (2024-03-12),

12. 11926559 - Crystallized glass substrate (2024-03-12),

13. 11926554 - Crystallized glass substrate (2024-03-12),

14. 11807568 - Inorganic composition article (2023-11-07),

15. 11584685 - Crystallized glass substrate (2023-02-21),

OHARA, INC. is a global manufacturer and supplier of precision optical solutions. With a rich history spanning over 90 years, we specialize in the development and production of advanced optical materials and products for various industries, including telecommunications, automotive, medical, and consumer electronics. Our commitment to innovation, quality, and customer satisfaction has established us as a trusted partner in the optical industry. Visit our website to learn more about our cutting-edge solutions and explore our extensive product portfolio.

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Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

95 Patents

#40 in Kanagawa

#1,151 in Japan

#8,078 in the World

Kanagawa, Japan

Ohara, Inc.

Forward Citations = 430

54 inventors:

Toshitaka Yagi (26 out of 28 patents)

Naoyuki Goto (20 out of 65 patents)

Yutaka Yamashita (10 out of 10 patents)

4. Kazuhito Ogasa (9 out of 9 patents)

5. Jie Fu (9 out of 17 patents)

Please report any incorrect information to [email protected]

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