SY

Shuji Yoneyama

PE Pentax: 2 patents #58 of 191Top 35%
Overall (2002): #41,456 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6487023 Zoom lens system and a zoom lens barrel therefor 2002-11-26
6353505 Zoom lens system 2002-03-05