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Yoshitomi Fine Chemicals, Ltd.

USPTO Granted Patents = 3

Forward Citations = 11

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10 inventors (with patents filed for the assignee):

Yoshihiro Ozaki (2 out of 4 patents)

Takeshi Inoue (2 out of 8 patents)

Akio Mishima (1 out of 2 patents)

4. Takashi Yokomatsu (1 out of 1 patent)

5. Masahiro Kasagi (1 out of 1 patent)

6. Masataka Yamamoto (1 out of 1 patent)

7. Shoichi Horie (1 out of 4 patents)

8. Kazuo Nakagawa (1 out of 4 patents)

9. Akiyoshi Onishi (1 out of 6 patents)

10. Machiko Mekada (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 6465548 - Stabilizer for organic polymer material and organic polymer material composition (2002-10-15),

2. 6437164 - Process for the preparation of phosphonite compounds (2002-08-20),

3. 5883286 - Phenol compound and use thereof (1999-03-16),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#835 in Osaka

#8,771 in Japan

Yoshitomi Fine Chemicals, Ltd.

Forward Citations = 11

10 inventors:

Yoshihiro Ozaki (2 out of 4 patents)

Takeshi Inoue (2 out of 8 patents)

Akio Mishima (1 out of 2 patents)

4. Takashi Yokomatsu (1 out of 1 patent)

5. Masahiro Kasagi (1 out of 1 patent)

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