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Yoshiharu Okumura

USPTO Granted Patents = 7

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 84(Granted Patents)

Location History:

Shiga, JP (1991)
Otsu, JP (1990 - 1995)
Okazaki, JP (1999)

Company Filing History:

Toray Industries, Inc.

Years Active: 1990-1999

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5997789 - Process of melt-spinning synthetic fiber (1999-12-07),

2. 5429848 - Electret tubular nonwoven fabric comprising circumferentially oriented (1995-07-04),

3. 5429847 - Tubular nonwoven fabric comprising circumferentially oriented parallel (1995-07-04),

4. 5296061 - Process for producing a tubular nonwoven fabric and tubular nonwoven (1994-03-22),

5. 5266369 - Packaging material made of electret material and packaging method (1993-11-30),

6. 5062158 - Protective sheets having self-adhesive property used for wearing on (1991-11-05),

7. 4948515 - Filter for liquid and method of filtering liquid (1990-08-14),

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