ST

Shuichi Takeuchi

PE Pentax: 3 patents #32 of 160Top 20%
Mitsubishi Electric: 2 patents #336 of 2,499Top 15%
Overall (2003): #7,917 of 273,478Top 3%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6624941 Diffraction optical element Koichi Maruyama 2003-09-23
6624942 Objective lens for optical pick-up Koichi Maruyama 2003-09-23
6574876 Apparatus for detecting rotational angle 2003-06-10
6555808 Apparatus for detecting rotational angle Kouichi Ohno 2003-04-29
6515955 Objective optical system for optical pick-up 2003-02-04