Patents/Inventors

Shigeaki Imai

KanagawaJP3 patents

4 Patents

US118745922024
Light Source Device and Image Projection Apparatus
RICOH COMPANY, Ltd.
0 cites
US118122012023
Light Guide Optical Device, Light Source Device, and Image Projection Apparatus
RICOH COMPANY, Ltd.
0 cites
US117200102023
Light Source Device and Projection Device
RICOH COMPANY, Ltd.
0 cites
US116302882023
Image Projection Apparatus
RICOH COMPANY, Ltd.
0 cites