TS

Takayasu Shishido

AK Asahi Seimitsu Kabushiki Kaisha: 2 patents #1 of 5Top 20%
PE Pentax: 1 patents #97 of 186Top 55%
Overall (1997): #22,508 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5668664 Color separation prism assembly for C-mount camera 1997-09-16
5602682 Aberration correcting plate for interchangeable lens Takayuki Ito, Hideto Machii 1997-02-11