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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),

Company Overview

Ohara, Inc., based in Kanagawa, Japan, specializes in the development and manufacturing of advanced optical glass technologies. The company is recognized for its expertise in crystallized glass and lithium ion conductors, which are essential for various applications, including electrochemical cells and solid electrolytes. Ohara's innovative contributions extend to glass-ceramics and information recording mediums, positioning it as a key player in battery technology and optical materials within the global market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

95 Patents

#40 in Kanagawa

#1,153 in Japan

#8,094 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ohara, Inc.. Retrieved from https://idiyas.com/company/ohara

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

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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