HM

Hideto Machii

PE Pentax: 1 patents #515 of 761Top 70%
AK Asahi Seimitsu Kabushiki Kaisha: 1 patents #27 of 40Top 70%
Overall (All Time): #3,710,021 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5602682 Aberration correcting plate for interchangeable lens Takayuki Ito, Takayasu Shishido 1997-02-11