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Iwatani Corporation

USPTO Granted Patents = 33

% Expired Patents = 12.1

EPO Patents = 4

Trademarks = 5

Forward Citations = 60

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65 inventors (with patents filed for the assignee):

Koichi Izumi (12 out of 12 patents)

Kunihiko Koike (11 out of 13 patents)

Naohisa Makihira (7 out of 7 patents)

4. Takehiko Senoo (7 out of 8 patents)

5. Yu Yoshino (6 out of 7 patents)

6. Sadaki Nakamura (6 out of 6 patents)

7. Goichi Inoue (5 out of 7 patents)

8. Tadashi Shojo (4 out of 4 patents)

9. Kazuya Dobashi (4 out of 26 patents)

10. Kenichiro Inada (4 out of 4 patents)

11. Toshiki Manabe (3 out of 3 patents)

12. Masahiro Furutani (3 out of 3 patents)

13. Takeshi Sakamoto (2 out of 88 patents)

14. Takafumi Ogiwara (2 out of 21 patents)

15. Takehiko Orii (2 out of 63 patents)

33 patents: Sort by Forward Citations

1. 12172198 - Gas cluster processing device and gas cluster processing method (2024-12-24),

2. 11542585 - Method for treating inner wall surface of treatment object (2023-01-03),

3. 11482455 - Cutting method of workpiece by forming reformed region and dry etching process (2022-10-25),

4. 11380586 - Cutting method (2022-07-05),

5. 11371656 - Inspection apparatus for hydrogen gas dispenser (2022-06-28),

6. 11267021 - Gas cluster processing device and gas cluster processing method (2022-03-08),

7. 11130092 - Method for concentrating ozone gas and apparatus for concentrating ozone gas (2021-09-28),

8. 11123679 - Method for concentrating ozone gas and apparatus for concentrating ozone gas (2021-09-21),

9. 10597296 - Method for supplying ozone gas and system for supplying ozone gas (2020-03-24),

10. 9869614 - Sampling apparatus and sampling method (2018-01-16),

11. 9841143 - Suction device and suction method (2017-12-12),

12. 9638425 - Cartridge-type gas grill (2017-05-02),

13. 9533268 - Method and apparatus for supplying mixed gas (2017-01-03),

14. 9447502 - Calcium phosphate complex, and method for production thereof (2016-09-20),

15. 9425071 - Film forming method (2016-08-23),

IWATANI CORPORATION is a Japanese company engaged in various business fields, including energy, chemicals, and the environment. With a focus on industrial gases, liquefied petroleum gas (LPG), and hydrogen, Iwatani Corporation is actively involved in the development, production, and supply of energy sources to meet the needs of industries and consumers. Their website provides detailed information about their products, services, and corporate initiatives.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

33 Patents

#233 in Osaka

#2,194 in Japan

#20,082 in the World

Iwatani Corporation

Forward Citations = 60

65 inventors:

Koichi Izumi (12 out of 12 patents)

Kunihiko Koike (11 out of 13 patents)

Naohisa Makihira (7 out of 7 patents)

4. Takehiko Senoo (7 out of 8 patents)

5. Yu Yoshino (6 out of 7 patents)

Please report any incorrect information to [email protected]

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