TH

Takayasu Hirai

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,228,561 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8527917 Semiconductor cell for photomask data verification and semiconductor chip 2013-09-03
6990039 Semiconductor storing device 2006-01-24
6795371 Semiconductor memory apparatus of which data are accessible by different addressing type Mitsuo Kaibara 2004-09-21
6105082 Data processor used in a data transfer system which includes a detection circuit for detecting whether processor uses bus in a forthcoming cycle Kazuhiko Hara 2000-08-15