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Toyotama Perfumery Co., Ltd.

USPTO Granted Patents = 3

Forward Citations = 14

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10 inventors (with patents filed for the assignee):

Hisashi Ishikawa (1 out of 203 patents)

Luke K Lam (1 out of 2 patents)

Shin Hasegawa (1 out of 3 patents)

4. Yoshihisa Suzuki (1 out of 3 patents)

5. Shigeki Ishizuka (1 out of 1 patent)

6. Anri Sakai (1 out of 1 patent)

7. Mitsuo Chiba (1 out of 1 patent)

8. Masamichi Nishitani (1 out of 1 patent)

9. Hidemichi Fukawa (1 out of 1 patent)

10. Ruriko Murakami (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5627288 - Method for producing rosefuran precursor and intermediates therefor (1997-05-06),

2. 5523105 - Improved mint composition and method for producing the same (1996-06-04),

3. 5041425 - Antitumor agent (1991-08-20),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#3,267 in Tokyo

#8,766 in Japan

Toyotama Perfumery Co., Ltd.

Forward Citations = 14

10 inventors:

Hisashi Ishikawa (1 out of 203 patents)

Luke K Lam (1 out of 2 patents)

Shin Hasegawa (1 out of 3 patents)

4. Yoshihisa Suzuki (1 out of 3 patents)

5. Shigeki Ishizuka (1 out of 1 patent)

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