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Air Water Inc.

USPTO Granted Patents = 43

EPO Patents = 18

Trademarks = 2

Forward Citations = 110

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72 inventors (with patents filed for the assignee):

Keisuke Kawamura (8 out of 8 patents)

Naoto Yoshinaga (6 out of 6 patents)

Satoshi Ibaraki (6 out of 9 patents)

4. Mitsuhisa Narukawa (5 out of 5 patents)

5. Sumito Ouchi (5 out of 5 patents)

6. Hidehiko Oku (5 out of 5 patents)

7. Ichiro Hide (5 out of 5 patents)

8. Yoshinobu Kodani (5 out of 5 patents)

9. Takaomi Ikeda (5 out of 5 patents)

10. Yoshiharu Wakayama (5 out of 5 patents)

11. Yoshimi Murage (5 out of 5 patents)

12. Takashi Yokoyama (4 out of 4 patents)

13. Jun Shimomura (4 out of 4 patents)

14. Niro Shiomi (4 out of 7 patents)

15. Hiroki Suzuki (3 out of 3 patents)

Core Competencies:

Compound Semiconductor Substrate

Nitride Semiconductor Layer

Liquefied Fluid Supply System

Hydrogen Generator

Thermal Expandability Adjuster

Single Crystal SiC Substrate

Gas Barrier Film

Cryogenic Pump

Phenol Resin Powder

Angiogenesis Regulating Composition

Selective Adsorbent for Nitrogen

Thermosetting Resin Composition

43 patents: Sort by Forward Citations

1. 12490486 - Compound semiconductor substrate and method for manufacturing compound semiconductor substrate (2025-12-02),

2. 12230679 - Compound semiconductor substrate including nitride semiconductor layer having varying threading dislocation densities (2025-02-18),

3. 12129973 - Liquefied fluid supply system and liquefied fluid-spraying apparatus (2024-10-29),

4. 12087852 - Compound semiconductor device, compound semiconductor substrate, and method for manufacturing compound semiconductor device (2024-09-10),

5. 12001136 - Pellicle intermediary body, pellicle, method for manufacturing of pellicle intermediary body, and pellicle manufacturing method (2024-06-04),

6. 11626283 - Compound semiconductor substrate, a pellicle film, and a method for manufacturing a compound semiconductor substrate (2023-04-11),

7. 11485635 - Hydrogen generator (2022-11-01),

8. 11476115 - Compound semiconductor substrate comprising a SiC layer (2022-10-18),

9. 11316018 - Compound semiconductor substrate including electron transition layer and barrier layer (2022-04-26),

10. 11231647 - Pellicle and method for manufacturing pellicle (2022-01-25),

11. 11119402 - Method for manufacturing of pellicle (2021-09-14),

12. 10563307 - Method for manufacturing substrate (2020-02-18),

13. 10400086 - Thermal expandability adjuster, use as thermal expandability adjuster, thermoset resin composition, insulating material, sealing material and conductive paste each containing thermoset resin composition, cured products, prepreg and member obtained by curing thermoset resin composition of prepreg, method of adjusting thermal expansion rate, and member manufactured using method of adjusting (2019-09-03),

14. 10354864 - Compound semiconductor substrate with SiC layer (2019-07-16),

15. 10252965 - Vinylbenzylated phenol compound, method of manufacturing vinylbenzylated phenol compound, activated ester resin, method of manufacturing activated ester resin, thermoset resin composition, hardened material of thermoset resin composition, interlayer insulating material, prepreg, and method of manufacturing prepreg (2019-04-09),

Air Water Inc. is a leading provider of industrial gases, chemicals, and medical products globally. With a strong focus on innovation and sustainability, the company offers a wide range of high-quality products and solutions to various industries. With over 90 years of experience, Air Water Inc. remains committed to delivering exceptional value to its customers and contributing to a better future.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

43 Patents

#2 in Sapporo

#1,845 in Japan

#15,579 in the World

Air Water Inc.

Forward Citations = 110

72 inventors:

Keisuke Kawamura (8 out of 8 patents)

Naoto Yoshinaga (6 out of 6 patents)

Satoshi Ibaraki (6 out of 9 patents)

4. Mitsuhisa Narukawa (5 out of 5 patents)

5. Sumito Ouchi (5 out of 5 patents)

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