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For the Inventor, By the Inventor

Tokyo, Japan

M.t.3, Inc.


USPTO Granted Patents = 3


Forward Citations = 0

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12 inventors (with patents filed for the assignee):

goldMedal Masahiko Oshige (2 out of 2 patents)

silverMedal Ichiro Matsuo (2 out of 2 patents)

bronzeMedal Hiroaki Horiuchi (2 out of 2 patents)

4.  Shinji Katsura (2 out of 2 patents)

5.  Kengo Sakaguchi (2 out of 16 patents)

6.  Fumio Sugawara (2 out of 16 patents)

7.  Seiji Tobita (1 out of 4 patents)

8.  Toshitada Yoshihara (1 out of 4 patents)

9.  Tetsuo Okutsu (1 out of 3 patents)

10.  Tomohiro Nakayama (1 out of 1 patent)

11.  Hiroeki Sahara (1 out of 1 patent)

12.  Takuya Maruo (1 out of 1 patent)


3 patents:

1. 12440505 - Method of treating cancer (2025-10-14),
2. 11643430 - Porphyrin compound or salt thereof, cancer therapeutic agent, photosensitizer, and fluorescent probe (2023-05-09),
3. 11267840 - Compound or salt thereof (2022-03-08),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#3,541 in Tokyo

#8,915 in Japan

Tokyo, JP
Tokyo, Japan

M.t.3, Inc.

Forward Citations = 0

12 inventors:

goldMedal Masahiko Oshige (2 out of 2 patents)

silverMedal Ichiro Matsuo (2 out of 2 patents)

bronzeMedal Hiroaki Horiuchi (2 out of 2 patents)

4.  Shinji Katsura (2 out of 2 patents)

5.  Kengo Sakaguchi (2 out of 16 patents)

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