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For the Inventor, By the Inventor

Chiyoda-ku, Japan

Asahi Glass Company, Limited


USPTO Granted Patents = 2,560



Trademarks = 27

Forward Citations = 26,895

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2,276 inventors (with patents filed for the assignee):

goldMedal Takeshi Morimoto (61 out of 75 patents)

silverMedal Takashi Okazoe (54 out of 55 patents)

bronzeMedal Hidekazu Okamoto (46 out of 80 patents)

4.  Kunio Watanabe (43 out of 54 patents)

5.  Manabu Suhara (42 out of 66 patents)

6.  Yoshio Oda (40 out of 41 patents)

7.  Kazuya Oharu (39 out of 41 patents)

8.  Kazuya Hiratsuka (35 out of 42 patents)

9.  Seisaku Kumai (35 out of 40 patents)

10.  Akio Koike (34 out of 44 patents)

11.  Tomoki Gunjima (34 out of 38 patents)

12.  Atsushi Watakabe (33 out of 37 patents)

13.  Daisuke Shirakawa (33 out of 39 patents)

14.  Masaaki Yamabe (31 out of 31 patents)

15.  Haruhisa Miyake (30 out of 30 patents)


Core Competencies:
Plasma Source
Thin Film Coatings
Hollow Cathode
Ion Acceleration
Optical Device
Glass Sheet
Refrigeration Apparatus
Liquid Crystal Composition
Crosslinkable Elastomer
Aqueous Coating Composition
High-Transparency Glass
Fluorinated Ether Compound

2,560 patents:

1. 11875976 - Plasma source utilizing a macro-particle reduction coating and method of using a plasma source utilizing a macro-particle reduction coating for deposition of thin film coatings and modification of surfaces (2024-01-16),
2. 10755901 - Plasma source utilizing a macro-particle reduction coating and method of using a plasma source utilizing a macro-particle reduction coating for deposition of thin film coatings and modification of surfaces (2020-08-25),
3. 10586685 - Hollow cathode plasma source (2020-03-10),
4. 10580625 - Plasma source and methods for depositing thin film coatings using plasma enhanced chemical vapor deposition (2020-03-03),
5. 10580624 - Plasma source and methods for depositing thin film coatings using plasma enhanced chemical vapor deposition (2020-03-03),
6. 10573499 - Method of extracting and accelerating ions (2020-02-25),
7. 10559452 - Plasma device driven by multiple-phase alternating or pulsed electrical current (2020-02-11),
8. 10446783 - Light-emitting device, display apparatus and lighting apparatus (2019-10-15),
9. 10438778 - Plasma source and methods for depositing thin film coatings using plasma enhanced chemical vapor deposition (2019-10-08),
10. 10242846 - Hollow cathode ion source (2019-03-26),
11. 10145598 - Refrigeration apparatus (2018-12-04),
12. 10101069 - Refrigeration cycle apparatus (2018-10-16),
13. 10073202 - Near-infrared cut filter (2018-09-11),
14. 10072194 - Working fluid for heat cycle (2018-09-11),
15. 10067421 - Negative photosensitive resin composition, cured resin film, partition walls and optical element (2018-09-04),
Asahi Glass Company, Limited (AGC) is a multinational glass manufacturer headquartered in Tokyo, Japan. Established in 1907, AGC operates in various business segments, including Glass, Electronics, Chemicals, Ceramics, and Life Sciences. AGC's products range from flat glass for buildings and automobiles to electronic components, specialized chemicals, and pharmaceuticals. The company focuses on innovation, sustainability, and contributing to society. For more information about AGC, visit their website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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2,560 Patents

#2 in Chiyoda-ku

#94 in Japan

#360 in the World

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Chiyoda-ku, Japan

Asahi Glass Company, Limited

Forward Citations = 26,895

2,276 inventors:

goldMedal Takeshi Morimoto (61 out of 75 patents)

silverMedal Takashi Okazoe (54 out of 55 patents)

bronzeMedal Hidekazu Okamoto (46 out of 80 patents)

4.  Kunio Watanabe (43 out of 54 patents)

5.  Manabu Suhara (42 out of 66 patents)

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