KI

Kazunori Ishizuka

PE Pentax: 4 patents #33 of 191Top 20%
Overall (2002): #14,732 of 266,432Top 6%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6392828 Zoom lens barrel Hiroshi Nomura, Nobuaki Aoki, Takamitsu Sasaki 2002-05-21
6369956 Zoom lens barrel Hiroshi Nomura, Nobuaki Aoki, Takamitsu Sasaki 2002-04-09
6369962 Zoom lens barrel Hiroshi Nomura, Nobuaki Aoki, Takamitsu Sasaki 2002-04-09
6335834 Barrel having cam groove and helicoid Hiroshi Nomura 2002-01-01