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Masaharu Takegawa

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 84(Granted Patents)

Company Filing History:

Daicel Chemical Industries, Ltd.

Daicell Chemical Industry Co., Ltd.

Years Active: 1988-1997

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5618620 - Filter rod for filtering the smoke of a cigarette (1997-04-08),

2. 5466209 - Cigarette filter-rod manufacturing device (1995-11-14),

3. 5225277 - Acetate tow having high crimp modulus and manufacturing method thereof (1993-07-06),

4. 4724849 - Narrow-cross sectioned fibers for use in tobacco smoker filters (1988-02-16),

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