Hiroyuki Ohtsuka

TO Topcon: 1 patents #11 of 53Top 25%

Overall (1997): #140,949 of 185,788Top 80%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5594512	Ophthalmological photographing instrument	Yutaka Yoneda	1997-01-14