For the Inventor, By the Inventor

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Masahiro Irie

USPTO Granted Patents = 3

Forward Citations = 53

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5 inventors (with patents filed for the assignee):

Masahiro Irie (3 out of 19 patents)

Fumio Tatezono (3 out of 14 patents)

Koutaro Matsuura (3 out of 5 patents)

4. Toshio Harada (2 out of 9 patents)

5. Tsuyoshi Tsujioka (1 out of 13 patents)

3 patents: Sort by Forward Citations

1. 5376511 - Optical recording medium (1994-12-26),

2. 5376511 - Optical recording medium (1994-12-26),

3. 5316900 - Optical recording medium having a constant birefringent property and an (1994-05-31),

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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#1 in Kasuga

#8,914 in Japan

Masahiro Irie

Forward Citations = 53

5 inventors:

Masahiro Irie (3 out of 19 patents)

Fumio Tatezono (3 out of 14 patents)

Koutaro Matsuura (3 out of 5 patents)

4. Toshio Harada (2 out of 9 patents)

5. Tsuyoshi Tsujioka (1 out of 13 patents)

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