NH

Naoki HIRAYAMA

HI Hitachi: 1 patents #1,316 of 3,771Top 35%
📍 Ibaraki, JP: #221 of 742 inventorsTop 30%
Overall (2004): #148,063 of 270,089Top 55%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6732271 Method of deciphering ciphered data and apparatus for same Kazuhiko Sako, Satoshi Oguni, Takushi Tamura 2004-05-04