SS

Saburo Sugawara

PE Pentax: 2 patents #62 of 186Top 35%
Canon: 2 patents #404 of 1,756Top 25%
📍 Yachiyo, JP: #2 of 18 inventorsTop 15%
Overall (1994): #4,593 of 165,921Top 3%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5341243 Zoom lens of rear focus type Atsushi Okuyama, Kenichi Kimura 1994-08-23
5303088 Retrofocus type lens 1994-04-12
5280317 Lens shutter camera including zoom lens drive system Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +1 more 1994-01-18
5276475 Lens shutter camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more 1994-01-04