HF

Hiroyoshi Funato

Ricoh Company: 1 patents #232 of 695Top 35%
Overall (1997): #142,476 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5684779 Optical head with forward and reflected light beams propagating through a dual diffraction grating device along a common path Shigeru Ohuchida 1997-11-04