HW

Hirofumi Watanabe

Ricoh Company: 3 patents #81 of 812Top 10%
Overall (2005): #23,206 of 245,428Top 10%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6921199 Temperature sensor Hideyuki Aota 2005-07-26
6882135 Voltage generating circuit and reference voltage source circuit employing field effect transistors Shunsuke Andoh 2005-04-19
6876251 Reference voltage source circuit operating with low voltage 2005-04-05