KN

Kiyoshi Negishi

PE Pentax: 3 patents #2 of 57Top 4%
📍 Asaka, JP: #10 of 50 inventorsTop 20%
Overall (1989): #9,017 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4879459 Automatic power controller for semiconductor laser — 1989-11-07
4845483 Malfunction communicating device for optical unit of laser printer — 1989-07-04
4802179 Apparatus for controlling optical output from semiconductor laser — 1989-01-31