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Yokohama, Japan

Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd

USPTO Granted Patents = 17

CIPO Patents = 5

EPO Patents = 21

Forward Citations = 14

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24 inventors (with patents filed for the assignee):

Toshimasa Shirai (7 out of 7 patents)

Norio Yoshimitsu (6 out of 6 patents)

Yoshihisa Saito (6 out of 6 patents)

4. Jun Sato (5 out of 128 patents)

5. Yuuki Endou (5 out of 5 patents)

6. Yasunori Terabe (5 out of 7 patents)

7. Keiichi Ishikawa (4 out of 13 patents)

8. Tomohiro Harada (3 out of 26 patents)

9. Hirotami Yamamoto (3 out of 5 patents)

10. Hiroshi Oonuki (2 out of 2 patents)

11. Tomoki Ichinose (2 out of 2 patents)

12. Ryosuke Koizumi (2 out of 2 patents)

13. Keiichi Hayashi (2 out of 2 patents)

14. Hiroyuki Takanami (1 out of 1 patent)

15. Yusaku Nasu (1 out of 2 patents)

17 patents: Sort by Forward Citations

1. 11703219 - Gas swirling state determination system and gasification melting furnace (2023-07-18),

2. 11353264 - Blocking prevention device for gasification melting system and blocking prevention method for gasification melting system (2022-06-07),

3. 10883181 - Hydrogen generator (2021-01-05),

4. 10723953 - Carbide producing method and carbide producing device (2020-07-28),

5. 10626331 - Biomass fuel production plant (2020-04-21),

6. 10465119 - Externally heated carbonization furnace (2019-11-05),

7. 10386064 - Stoker-type incinerator (2019-08-20),

8. 10377952 - Method for inhibiting occurrence of pyrolysis deposit in pyrolysis gasification system, and pyrolysis gasification system (2019-08-13),

9. 10190768 - Gasification melting facility (2019-01-29),

10. 10184082 - Biomass pyrolysis apparatus, and power generation system (2019-01-22),

11. 10047953 - Gasification melting facility (2018-08-14),

12. 9879912 - Heat treatment apparatus (2018-01-30),

13. 9869472 - Garbage supply device (2018-01-16),

14. 9765962 - Combustion device (2017-09-19),

15. 9709270 - Fluidized bed gasification furnace (2017-07-18),

MITSUBISHI HEAVY INDUSTRIES ENVIRONMENTAL & CHEMICAL ENGINEERING CO., LTD (MHIEC) is a leading company in the field of environmental and chemical engineering. With a focus on sustainability, MHIEC provides innovative solutions for waste treatment, recycling, and energy recovery. Through advanced technologies, MHIEC strives to contribute to a cleaner and more sustainable future.

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Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

17 Patents

#46 in Yokohama

#3,159 in Japan

#34,877 in the World

Yokohama, Japan

Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd

Forward Citations = 14

24 inventors:

Toshimasa Shirai (7 out of 7 patents)

Norio Yoshimitsu (6 out of 6 patents)

Yoshihisa Saito (6 out of 6 patents)

4. Jun Sato (5 out of 128 patents)

5. Yuuki Endou (5 out of 5 patents)

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