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Yasuyuki Hirai

USPTO Granted Patents = 7

CIPO Patents = 1

EPO Patents = 1

Average Co-Inventor Count = 3.9

ph-index = 4

Forward Citations = 43(Granted Patents)

Company Filing History:

Hitachi Chemical Company, Ltd.

Years Active: 1999-2009

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7538150 - Dihydrobenzoxazine ring-containing resin, phenolic-triazine-aldehyde condensate and epoxy resin (2009-05-26),

2. 7390571 - Varnish for laminate or prepreg, laminate or prepreg prepared using this varnish, and printed wiring board prepared using this laminate or prepreg (2008-06-24),

3. 7041772 - Method for producing benzoxazine resin (2006-05-09),

4. 7041399 - Varnish for laminate or prepreg, laminate or prepreg obtained with this varnish, and printed circuit board made with this laminate or prepreg (2006-05-09),

5. 6720077 - Resin composition, and use and method for preparing the same (2004-04-13),

6. 6005064 - Thermosetting compounds, cured product thereof and method of preparing (1999-12-21),

7. 5945222 - Thermosetting resin composition, cured product, prepreg, metal-clad (1999-08-31),

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