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Central Glass Company, Limited

Calculating rank

USPTO Granted Patents = 1,011

% Expired Patents = 25.6

CIPO Patents = 3

EPO Patents = 205

Trademarks = 3

Forward Citations = 6,840

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1,005 inventors (with patents filed for the assignee):

Kazuhiko Maeda (80 out of 129 patents)

Haruhiko Komoriya (55 out of 57 patents)

Satoru Narizuka (49 out of 49 patents)

4. Akihiro Ishii (46 out of 46 patents)

5. Mikihiro Takahashi (34 out of 34 patents)

6. Akifumi Yao (33 out of 34 patents)

7. Manabu Yasumoto (33 out of 33 patents)

8. Yoshinori Akamatsu (33 out of 33 patents)

9. Kazuhiro Yamanaka (30 out of 60 patents)

10. Soichi Kumon (30 out of 30 patents)

11. Takeo Komata (29 out of 31 patents)

12. Fuyuhiko Sakyu (28 out of 29 patents)

13. Takayoshi Morinaka (27 out of 27 patents)

14. Satoru Okamoto (26 out of 39 patents)

15. Satoru Miyazawa (26 out of 32 patents)

Core Competencies:

Dry Etching

Surface Treatment

Photosensitive Resin

Fluororesin

Electrolyte Solution

Nonaqueous Battery

Silicon Carbide

Curable Resin

Wafer Processing

Glass Fibers

Chemical Composition

Automotive Glass

1,011 patents: Sort by Forward Citations

1. 12767746 - Fluorine-containing polymer (2026-10-20),

2. 12756012 - Nonaqueous electrolytic solution and nonaqueous electrolytic solution battery (2026-10-06),

3. 12742031 - Method for producing fluorine-containing polymer and composition (2026-09-22),

4. 12701943 - Surface treatment method for semiconductor substrates and surface treatment agent composition (2026-08-04),

5. 12690402 - Surface treatment method, dry etching method, cleaning method, production method for semiconductor device, and etching device (2026-07-21),

6. 12686656 - Alkylamine composition and method for storing said alkylamine composition (2026-07-21),

7. 12677620 - Surface treatment method for semiconductor substrate and surface treatment agent composition (2026-07-07),

8. 12665223 - Nonaqueous electrolytic solution, nonaqueous electrolytic solution battery, and compound (2026-06-23),

9. 12640395 - Method for producing lithium difluorophosphate, method for producing difluorophosphate ester, lithium difluorophosphate, method for producing nonaqueous electrolytic solution, and method for producing nonaqueous secondary battery (2026-05-26),

10. 12624445 - Method for removing molybdenum monofluoride to molybdenum pentafluoride and method for producing semiconductor device (2026-05-12),

11. 12600829 - Sublimable film formation composition and method for producing substrate (2026-04-14),

12. 12588446 - Surface treatment composition and method for producing wafer (2026-03-24),

13. 12527163 - Method for producing light-emitting elements (2026-01-13),

14. 12516275 - Composition; cleaning agent, aerosol composition, draining agent, foaming agent, or heat-transfer medium containing the composition; system using the heat-transfer medium; and method of cleaning articles (2026-01-06),

15. 12503587 - Novolak resin, epoxy resin, photosensitive resin composition, curable resin composition, cured substance, electronic device, production method for novolak resin, and production method for epoxy resin (2025-12-23),

Company Overview

Central Glass Company, Limited, based in Ube, Japan, specializes in semiconductor processing technologies. The company focuses on developing advanced solutions in dry etching, surface treatment, and photosensitive resins, catering to the evolving needs of the semiconductor industry. Additionally, Central Glass is involved in the production of fluororesins, electrolyte solutions for nonaqueous batteries, and silicon carbide materials, positioning itself as a key player in innovative materials and technologies for various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

1,011 Patents

#1 in Ube

#227 in Japan

#1,013 in the World

Central Glass Company, Limited

Forward Citations = 6,840

1,005 inventors:

Kazuhiko Maeda (80 out of 129 patents)

Haruhiko Komoriya (55 out of 57 patents)

Satoru Narizuka (49 out of 49 patents)

4. Akihiro Ishii (46 out of 46 patents)

5. Mikihiro Takahashi (34 out of 34 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Central Glass Company, Limited. Retrieved from https://idiyas.com/company/central-glass-company

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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