For the Inventor, By the Inventor

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Raleigh, NC, United States of America

Dhf America, LLC

USPTO Granted Patents = 4

Forward Citations = 0

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13 inventors (with patents filed for the assignee):

Kotaro Hirayama (3 out of 11 patents)

Isamu Umeda (3 out of 3 patents)

Yuki Watanabe (1 out of 46 patents)

4. Akira Ito (1 out of 41 patents)

5. Shota Tanoue (1 out of 3 patents)

6. Toshiya Matsumoto (1 out of 1 patent)

7. Yuji Kurokawa (1 out of 1 patent)

8. Kenji Yatabe (1 out of 1 patent)

9. Hotaka Kayano (1 out of 1 patent)

10. Rei Shibata (1 out of 1 patent)

11. Toyoaki Murohara (1 out of 1 patent)

12. Toshio Kokuryo (1 out of 1 patent)

13. Sojiro Kimura (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 12492351 - Waste treatment system and method using energy recirculation techniques (2025-12-09),

2. 12473211 - System and method of decomposing fluidic product having particles (2025-11-18),

3. 12139699 - Magnetic-field generator for a cell sheet (2024-11-12),

4. 11761582 - Pressure regulation system and method for a fluidic product having particles (2023-09-19),

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USPTO Data Jan 1 1976 - Dec 23 2025

4 Patents

#109 in Raleigh, NC

#1,270 in North Carolina

#58,997 in US

Raleigh, NC, United States of America

Dhf America, LLC

Forward Citations = 0

13 inventors:

Kotaro Hirayama (3 out of 11 patents)

Isamu Umeda (3 out of 3 patents)

Yuki Watanabe (1 out of 46 patents)

4. Akira Ito (1 out of 41 patents)

5. Shota Tanoue (1 out of 3 patents)

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